CA2175592A1 - Electromechanical component, especially relay, with sealed casing - Google Patents
Electromechanical component, especially relay, with sealed casingInfo
- Publication number
- CA2175592A1 CA2175592A1 CA002175592A CA2175592A CA2175592A1 CA 2175592 A1 CA2175592 A1 CA 2175592A1 CA 002175592 A CA002175592 A CA 002175592A CA 2175592 A CA2175592 A CA 2175592A CA 2175592 A1 CA2175592 A1 CA 2175592A1
- Authority
- CA
- Canada
- Prior art keywords
- base
- component
- elastomer
- cap
- edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 229920001971 elastomer Polymers 0.000 claims abstract description 29
- 239000000806 elastomer Substances 0.000 claims abstract description 29
- 239000004033 plastic Substances 0.000 claims abstract description 15
- 229920003023 plastic Polymers 0.000 claims abstract description 15
- 238000001746 injection moulding Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 8
- 229920001169 thermoplastic Polymers 0.000 claims description 6
- 239000004416 thermosoftening plastic Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000007765 extrusion coating Methods 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 description 4
- 238000004382 potting Methods 0.000 description 4
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/023—Details concerning sealing, e.g. sealing casing with resin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H2011/0081—Apparatus or processes specially adapted for the manufacture of electric switches using double shot moulding, e.g. for forming elastomeric sealing elements on form stable casing
Abstract
The component has a casing base (1) which is coated with an elastomer layer (6; 9) in the region of apertures (4) and of an edge gap (15) between it and the cap (2). A good seal is thus produced, without any additional operations, when connecting elements (11) are pressed in or when the cap (2) is pressed on. The base can be produced from two plastics having different properties, using the two-component injection-molding method.
Description
93 P~85 ~ 217~592 L~ .` } ~ t ~
Electromechanical component, in particular a relay, having a sealed casing The invention relates to an electromechanical component, in particular a relay, having a casing which is formed from a base and a cap, the base, which is composed of plastic, having apertures in which connecting elements are anchored and sealed by insertion.
Various methods are already used in order to seal an electromechanical component, for example a relay according to DE 34 28 595 C2, in a plastic casing against moisture and other environmental influences, in order on the one hand to bond or to weld the cap to the base in the edge region and, on the other hand, to seal the b~l~h;ngs of the connecting elements using a potting compound. These conventional methods are, however, relatively complex and uneconomic.
DE 26 17 633 Al discloses an arrangement for an electromechanical component of the type mentioned initially, in the case of which the openings in the base of the component are provided with sealing lips which are molded onto the base and are intended to be closely joined to the connecting pins. However, since these sealing lips are formed from the same material as the ba~e, succes~ of the sealing is doubtful. This is because either the base material is soft, 80 that the base cannot give the contact elements sufficient robustneQs in the interior of the casing, or the plastic is dimensionally stable, which in turn has the disadvantage that the sealing lips formed from the same material are not closely joined to the connecting elements in a soft enough manner to produce reliable ~ealing. In addition, such sealing lips intrinsically on their own produce only a more or less linear seal which, particularly in the case of connecting elements having a rectangular cross section, for example flat plugs, do not allow reliable sealing.
On the other hand, sealing lips in the edge gap between the base body and the cap have already been proposed in DE-OS 23 20 617; however, thi~ relates only to a preliminary seal which is intended to prevent the potting compound, which is to be inserted later, from rllnn i ng into the casing.
DE 33 19 329 Al discloses a relay having a washproof base plate in which potting compound is inserted in the intermediate space between the slots of the base plate and the inserted connecting pins. This is associated with the disadvantage mentioned initially, that the additional potting compound must be distributed, and subsequently cured, using complex operations.
Finally, DE 25 56 610 B2 discloses a base body, which is composed of insulating material, for relays which can be hermetically sealed, a base body composed of thermosetting plastic having a jacket of thermoplastic material extrusion coated onto it. The connecting elements are in this case actually embedded in the thermosetting plastic base body, which, just on its own, requires a complex production process. In this case, an additional operation, by means of which the parts are intended to be bonded or welded, is proposed for sealing between the thermoplastic jacket and the cap.
The aim of the present invention is to design a component of the type mentioned initially, such that a seal of the casing gaps and bllRh;ngs, particularly to the connecting elements which are secured by insertion, is achieved in a very simple and economic manner.
This aim is achieved according to the invention in that the base, which is composed of a dimensionally stable plastic, 217~592 is coated, at least in the wall regions of the apertures, with a layer of a thermoplastic elastomer, and in that the connecting elements have a cross section, which is larger than the remaining width of the respective aper-ture, in such a manner that said connecting elements areanchored in a sealed manner by the insertion, with a press fit.
Thus, in the case of the invention, two plastic materials having different properties are used at least for the base body or base which supports the connecting parts. The plastic having the higher strength, for example a mineral-reinforced or glass-fibre-reinforced thermoplastic such as polyamide, provides the dimensional stability, while the second material, namely a thermo-plastic elastomer, such as polyurethane for example,carries out the sealing function. In principle, the dimensionally stable plastic could admittedly also be a thermosetting plastic, but, because of the more economic processing, it is more favorable if two thermoplastics having different properties are used since, then, both materials can be formed successively on one and the same machine using the two-component injection-molding method.
Thus, since the sealing function is integrated just by the production of the base body or base using two plastic components, no additional assembly or sealing outlay is required after the parts have been plugged together. The tolerance of the joined parts is compensated for by the elastomer, so that a press fit is always ensured.
In contrast to the doubtful sealing provided by thin sealing lips, the cl~;ng according to the inven-tion of the b~Rh;ngs for the connecting elements produces a large-area seal over the entire bllRh; ng length. The seal is particularly advantageous and reliable if the elastomer layer in each case surrounds both edges of the base apertures like a sleeve. In addition, it can be advantageous if the elastomer layer 2175~92 forms an additional, circumferential sealing lip on the outside of the casing in the region of the edge of the respective base aperture.
As a rule, the boundary surfaces of the two plastic components are connected to one another to a greater or lesser extent. Since the sealing is produced via a press fit, this is, however, not absolutely essen-tial. Two incompatible plastics can therefore be used which do not bond to one another during forming; this is particularly true if the elastomer is connected in a positively locking manner to the base or base body, for example in the manner of the said sleeve.
An advantageous refinement furthermore provides that the base or the cap is likewise provided with a layer of the elastomer in each case in the region of an edge gap between the base and the cap. In principle, the cap can also be composed of metal, the sealing function between the plastic and metal then acting in the same way as to the metallic connecting elements. However, the cap will also as a rule be composed of plaætic, 80 that the second component, which is formed from elastomer, for sealing the edge gap can optionally be fitted to the base or to the cap. The seal becomes particularly reliable if the base forms a circumferential sealing edge which is coated with an elastomer layer having a U-shaped profile and engages in a circumferential groove in the cap. It is, of course, also possible to implement a reverse design of the parts, with the same effect. Furthermore, the elastomer layer can form one or more circumferential sealing ribs which project into the edge gap.
In principle, the elastomer coating need be provided only in the region of the points to be sealed, so that the elastomer need be injected in the form of islands just at these points. However, it can be advant-ageous to connect a plurality of these points to oneanother via webs in order to reduce the number of injec-tions in the injection-molding tool.
217~59~
The~e connections can be produced in the form of webs which are either located in reces~ed chAnnels in the base or can run as raised webs on its surface.
The invention i8 expl A ine~ in more detail in the following text with reference to an exemplary embodiment in the drawing, in which:
Figure 1 shows a relay base in a view from underneath, Figure 2 6hows a section II-II of the base in Figure 1, Figure 3 shows an enlarged detail III from Figure 2, Figure 4 æhows a relay with a ba~e according to Figure 1, which is fitted with connecting elements and is provided with a cap, Figure 5 shows a section V-V from Figure 4, Figure 6 shows an enlarged detail VI from Figure 5.
The figures show a relay base 1 which, together with a cap 2, forms a casing which accommodates a relay system 3, which is also indicated schematically in Figure 5. This relay system 3 can be formed, for example, according to DE 34 28 595 C2.
The base which is shown just in Figures 1 to 3 has apertures 4 for connecting pins 11 (see Figure 5), which in the present case are designed as flat connectors. The b~h;ngs are, accordingly, rectangular.
In addition, the base has a stepped, circumferential sealing edge 5. The base itself is composed of dimension-ally stable plastic, for example a glass-fibre reinforced polyamide.
As can be seen in the enlargement in Figure 3, the inner walls 4a of the apertures 4 are each coated with a layer 6 composed of an elastomer; polyurethane or a thermoplastic having similar properties can be used as the material. At each of its ends, the elastomer layer 6 has a broadened edge 7 in the form of a sleeve which in each case engages over the edge of the aperture 4. In addition, the elastomer layer forms a circumferential sealing lip 8 at the end of the aperture 4 pointing towards the outside of the casing.
The sealing edge 5 of the base 1 is likewise coated with an elastomer layer 9, whose U-shaped profile engages around the edge 5 on three sides. In addition, two circumferential sealing ribs 10 are formed on this elastomer layer 9.
Figures 4 to 6 show the same views as Figures 1 to 3, but now with a completely ass~nhled relay, that is to say with the cap 2 fitted and the relay system 3 inserted. In this case, the connecting pins 11 are pressed into the apertures 4, penetrating the elastomer layer 6 as a result of the cross section or the width 12 of the connecting pins 11 being oversized, le~-3;ng to a press fit and to correspon~;ng sealing of the connecting pins 11. As Figure 6 shows, the sealing lips 8 which are formed on the outside are closely joined to the connect-ing pins 11. When the cap 2 is snapped on, the sealing edge 5 engages in a circumferential groove 13 and in this case likewise forms a press fit for sealing the circum-ferential edge gap 15. The seal is in consequence im-proved by the sealing ribs 10, which act in two mutually perpendicular directions.
Figures 1 and 4 also show connecting webs 14 which are produced by flow ch~nnels in the injection-molding tool. There are therefore elastomer webs which connect the various elastomer layers 6 and 9 in the form of recessed or raised webs, 80 that the number of injec-tions in the injection-molding tool can be reduced. These connecting webs 14 can run on the inside of the casing and/or on the outside of the casing of the base 1.
Electromechanical component, in particular a relay, having a sealed casing The invention relates to an electromechanical component, in particular a relay, having a casing which is formed from a base and a cap, the base, which is composed of plastic, having apertures in which connecting elements are anchored and sealed by insertion.
Various methods are already used in order to seal an electromechanical component, for example a relay according to DE 34 28 595 C2, in a plastic casing against moisture and other environmental influences, in order on the one hand to bond or to weld the cap to the base in the edge region and, on the other hand, to seal the b~l~h;ngs of the connecting elements using a potting compound. These conventional methods are, however, relatively complex and uneconomic.
DE 26 17 633 Al discloses an arrangement for an electromechanical component of the type mentioned initially, in the case of which the openings in the base of the component are provided with sealing lips which are molded onto the base and are intended to be closely joined to the connecting pins. However, since these sealing lips are formed from the same material as the ba~e, succes~ of the sealing is doubtful. This is because either the base material is soft, 80 that the base cannot give the contact elements sufficient robustneQs in the interior of the casing, or the plastic is dimensionally stable, which in turn has the disadvantage that the sealing lips formed from the same material are not closely joined to the connecting elements in a soft enough manner to produce reliable ~ealing. In addition, such sealing lips intrinsically on their own produce only a more or less linear seal which, particularly in the case of connecting elements having a rectangular cross section, for example flat plugs, do not allow reliable sealing.
On the other hand, sealing lips in the edge gap between the base body and the cap have already been proposed in DE-OS 23 20 617; however, thi~ relates only to a preliminary seal which is intended to prevent the potting compound, which is to be inserted later, from rllnn i ng into the casing.
DE 33 19 329 Al discloses a relay having a washproof base plate in which potting compound is inserted in the intermediate space between the slots of the base plate and the inserted connecting pins. This is associated with the disadvantage mentioned initially, that the additional potting compound must be distributed, and subsequently cured, using complex operations.
Finally, DE 25 56 610 B2 discloses a base body, which is composed of insulating material, for relays which can be hermetically sealed, a base body composed of thermosetting plastic having a jacket of thermoplastic material extrusion coated onto it. The connecting elements are in this case actually embedded in the thermosetting plastic base body, which, just on its own, requires a complex production process. In this case, an additional operation, by means of which the parts are intended to be bonded or welded, is proposed for sealing between the thermoplastic jacket and the cap.
The aim of the present invention is to design a component of the type mentioned initially, such that a seal of the casing gaps and bllRh;ngs, particularly to the connecting elements which are secured by insertion, is achieved in a very simple and economic manner.
This aim is achieved according to the invention in that the base, which is composed of a dimensionally stable plastic, 217~592 is coated, at least in the wall regions of the apertures, with a layer of a thermoplastic elastomer, and in that the connecting elements have a cross section, which is larger than the remaining width of the respective aper-ture, in such a manner that said connecting elements areanchored in a sealed manner by the insertion, with a press fit.
Thus, in the case of the invention, two plastic materials having different properties are used at least for the base body or base which supports the connecting parts. The plastic having the higher strength, for example a mineral-reinforced or glass-fibre-reinforced thermoplastic such as polyamide, provides the dimensional stability, while the second material, namely a thermo-plastic elastomer, such as polyurethane for example,carries out the sealing function. In principle, the dimensionally stable plastic could admittedly also be a thermosetting plastic, but, because of the more economic processing, it is more favorable if two thermoplastics having different properties are used since, then, both materials can be formed successively on one and the same machine using the two-component injection-molding method.
Thus, since the sealing function is integrated just by the production of the base body or base using two plastic components, no additional assembly or sealing outlay is required after the parts have been plugged together. The tolerance of the joined parts is compensated for by the elastomer, so that a press fit is always ensured.
In contrast to the doubtful sealing provided by thin sealing lips, the cl~;ng according to the inven-tion of the b~Rh;ngs for the connecting elements produces a large-area seal over the entire bllRh; ng length. The seal is particularly advantageous and reliable if the elastomer layer in each case surrounds both edges of the base apertures like a sleeve. In addition, it can be advantageous if the elastomer layer 2175~92 forms an additional, circumferential sealing lip on the outside of the casing in the region of the edge of the respective base aperture.
As a rule, the boundary surfaces of the two plastic components are connected to one another to a greater or lesser extent. Since the sealing is produced via a press fit, this is, however, not absolutely essen-tial. Two incompatible plastics can therefore be used which do not bond to one another during forming; this is particularly true if the elastomer is connected in a positively locking manner to the base or base body, for example in the manner of the said sleeve.
An advantageous refinement furthermore provides that the base or the cap is likewise provided with a layer of the elastomer in each case in the region of an edge gap between the base and the cap. In principle, the cap can also be composed of metal, the sealing function between the plastic and metal then acting in the same way as to the metallic connecting elements. However, the cap will also as a rule be composed of plaætic, 80 that the second component, which is formed from elastomer, for sealing the edge gap can optionally be fitted to the base or to the cap. The seal becomes particularly reliable if the base forms a circumferential sealing edge which is coated with an elastomer layer having a U-shaped profile and engages in a circumferential groove in the cap. It is, of course, also possible to implement a reverse design of the parts, with the same effect. Furthermore, the elastomer layer can form one or more circumferential sealing ribs which project into the edge gap.
In principle, the elastomer coating need be provided only in the region of the points to be sealed, so that the elastomer need be injected in the form of islands just at these points. However, it can be advant-ageous to connect a plurality of these points to oneanother via webs in order to reduce the number of injec-tions in the injection-molding tool.
217~59~
The~e connections can be produced in the form of webs which are either located in reces~ed chAnnels in the base or can run as raised webs on its surface.
The invention i8 expl A ine~ in more detail in the following text with reference to an exemplary embodiment in the drawing, in which:
Figure 1 shows a relay base in a view from underneath, Figure 2 6hows a section II-II of the base in Figure 1, Figure 3 shows an enlarged detail III from Figure 2, Figure 4 æhows a relay with a ba~e according to Figure 1, which is fitted with connecting elements and is provided with a cap, Figure 5 shows a section V-V from Figure 4, Figure 6 shows an enlarged detail VI from Figure 5.
The figures show a relay base 1 which, together with a cap 2, forms a casing which accommodates a relay system 3, which is also indicated schematically in Figure 5. This relay system 3 can be formed, for example, according to DE 34 28 595 C2.
The base which is shown just in Figures 1 to 3 has apertures 4 for connecting pins 11 (see Figure 5), which in the present case are designed as flat connectors. The b~h;ngs are, accordingly, rectangular.
In addition, the base has a stepped, circumferential sealing edge 5. The base itself is composed of dimension-ally stable plastic, for example a glass-fibre reinforced polyamide.
As can be seen in the enlargement in Figure 3, the inner walls 4a of the apertures 4 are each coated with a layer 6 composed of an elastomer; polyurethane or a thermoplastic having similar properties can be used as the material. At each of its ends, the elastomer layer 6 has a broadened edge 7 in the form of a sleeve which in each case engages over the edge of the aperture 4. In addition, the elastomer layer forms a circumferential sealing lip 8 at the end of the aperture 4 pointing towards the outside of the casing.
The sealing edge 5 of the base 1 is likewise coated with an elastomer layer 9, whose U-shaped profile engages around the edge 5 on three sides. In addition, two circumferential sealing ribs 10 are formed on this elastomer layer 9.
Figures 4 to 6 show the same views as Figures 1 to 3, but now with a completely ass~nhled relay, that is to say with the cap 2 fitted and the relay system 3 inserted. In this case, the connecting pins 11 are pressed into the apertures 4, penetrating the elastomer layer 6 as a result of the cross section or the width 12 of the connecting pins 11 being oversized, le~-3;ng to a press fit and to correspon~;ng sealing of the connecting pins 11. As Figure 6 shows, the sealing lips 8 which are formed on the outside are closely joined to the connect-ing pins 11. When the cap 2 is snapped on, the sealing edge 5 engages in a circumferential groove 13 and in this case likewise forms a press fit for sealing the circum-ferential edge gap 15. The seal is in consequence im-proved by the sealing ribs 10, which act in two mutually perpendicular directions.
Figures 1 and 4 also show connecting webs 14 which are produced by flow ch~nnels in the injection-molding tool. There are therefore elastomer webs which connect the various elastomer layers 6 and 9 in the form of recessed or raised webs, 80 that the number of injec-tions in the injection-molding tool can be reduced. These connecting webs 14 can run on the inside of the casing and/or on the outside of the casing of the base 1.
Claims (8)
1. An electromechanical component, in particular a relay, having a casing which is formed from a base (1) and a cap (2), the base, which is composed of plastic, having apertures (4) in which connecting elements (11) are anchored and sealed by insertion, characterized in that the base (1), which is composed of a dimensionally stable plastic, is coated, at least in the wall regions (4a) of the apertures (4), with a layer (6) of a thermo-plastic elastomer, and in that the connecting elements (11) have a cross section (12), which is larger than the remaining width of the respective aperture, in such a manner that said connecting elements (11) are anchored in a sealed manner by the insertion, with a press fit.
2. The component as claimed in claim 1, character-ized in that the elastomer layer (6) surrounds the edges of the base apertures (4), like a sleeve, with a broad-ened edge (7).
3. The component as claimed in claim 1 or 2, charac-terized in that the elastomer layer (6) forms a circumfe-rential sealing lip (8) on the outside of the casing in the region of the edge of the respective base aperture (4).
4. The component as claimed in one of claims 1 to 3, characterized in that the base or the cap is likewise provided with a layer (9) of the elastomer in each case in the region of an edge gap (15) between the base and the cap.
5. The component as claimed in claim 4, character-ized in that the base (1) forms a circumferential sealing edge (5) which is coated with an elastomer layer (9) having a U-shaped profile and engages in a circum-ferential groove (13) in the cap (2), or vice versa.
6. The component as claimed in claim 4 or 5, charac-terized in that the elastomer layer (9) forms one or more circumferential sealing ribs (10) which project into the edge gap.
7. The component as claimed in one of claims 1 to 6, characterized in that the base (1) is produced, with the elastomer coating (6, 9) by multi-component extrusion coating, using the injection-molding method.
8. The component as claimed in one of claims 1 to 7, characterized in that the elastomer coatings (6, 9) of a plurality of apertures (4) and/or on the sealing edge (5) are connected to one another via connecting webs (14) composed of the elastomer material.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4337505A DE4337505C1 (en) | 1993-11-03 | 1993-11-03 | Electromechanical component, in particular relay, with a sealed housing |
| DEP4337505.7 | 1993-11-03 | ||
| PCT/DE1994/001289 WO1995012890A1 (en) | 1993-11-03 | 1994-11-02 | Electromechanical component, especially relay, with sealed casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2175592A1 true CA2175592A1 (en) | 1995-05-11 |
Family
ID=6501692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002175592A Abandoned CA2175592A1 (en) | 1993-11-03 | 1994-11-02 | Electromechanical component, especially relay, with sealed casing |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5699899A (en) |
| EP (1) | EP0727089B1 (en) |
| JP (1) | JPH09504639A (en) |
| AT (1) | ATE153175T1 (en) |
| CA (1) | CA2175592A1 (en) |
| CZ (1) | CZ121596A3 (en) |
| DE (2) | DE4337505C1 (en) |
| WO (1) | WO1995012890A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE59600842D1 (en) * | 1995-06-09 | 1998-12-24 | Siemens Ag | ARRANGEMENT OF A RELAY ON A SOCKET BASE |
| DE29618878U1 (en) * | 1996-10-30 | 1996-12-19 | Rehau Ag & Co | Heat exchanger |
| DE19753364C2 (en) * | 1997-12-02 | 2001-03-29 | Legrand Gmbh | Temperature control device with a control processor |
| US6040539A (en) * | 1998-01-08 | 2000-03-21 | Hiegel; Todd N. | Protective cover for a computer mouse |
| JP4312350B2 (en) | 2000-06-06 | 2009-08-12 | ウチヤ・サーモスタット株式会社 | Thermal protector |
| DE102007012296A1 (en) * | 2007-03-08 | 2008-09-11 | Siemens Ag | Disconnecting device and method for producing a separation switching device |
| DE102015225099A1 (en) * | 2015-12-14 | 2017-06-14 | Robert Bosch Gmbh | Electronic module, in particular for transmission control unit, and method for manufacturing such |
| RU189249U1 (en) * | 2019-03-25 | 2019-05-17 | Открытое акционерное общество "Объединенные электротехнические заводы" | The basis of the electromagnetic plug relay railway automation |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3323199A (en) * | 1962-12-20 | 1967-06-06 | Bell Telephone Labor Inc | Method for making electrical components |
| DE2320617A1 (en) * | 1973-04-24 | 1974-11-14 | Deutsche Fernsprecher Gmbh | HERMETICALLY SEALED RELAY |
| DE2556610C3 (en) * | 1975-12-16 | 1985-11-21 | Sauer, Hans, 8024 Deisenhofen | Base body made of thermosetting and thermoplastic insulating material for hermetically sealed relays |
| DE2617633A1 (en) * | 1976-04-22 | 1977-11-03 | Telefonbau & Normalzeit Gmbh | Protection device for electro:mechanical relays - prevents penetration of solders and vapours into components by use of sealing lips which cling to pins |
| AT369610B (en) * | 1981-03-25 | 1983-01-25 | Schrack Elektronik Ag | HOUSING FOR ELECTROTECHNICAL COMPONENTS |
| DE3319329C2 (en) * | 1983-05-27 | 1985-05-30 | Haller-Relais GmbH, 7209 Wehingen | Relay with wash-tight base plate |
| US4622739A (en) * | 1983-12-27 | 1986-11-18 | Texas Instruments Incorporated | Method of providing an improved seal for thermostatic switch housings |
| DE3428595A1 (en) * | 1984-08-02 | 1986-02-20 | Siemens AG, 1000 Berlin und 8000 München | Electromagnetic relay |
| DE3640721C1 (en) * | 1986-11-28 | 1988-06-01 | Zettler Elektrotechn Alois | Mounting body for relays |
| US4780578A (en) * | 1987-12-11 | 1988-10-25 | Oak Industries, Inc. | Anerobic sealed rotary switch |
| US4975545A (en) * | 1988-07-20 | 1990-12-04 | Wickes Manufacturing Company | Sealed relay assembly |
| DE4015115A1 (en) * | 1990-05-11 | 1991-11-14 | Eberle Gmbh | Electronic or electromechanical component e.g. relay - has groove extensions surrounding contact pinds and interrupting peripheral lid groove |
| DE9011111U1 (en) * | 1990-07-27 | 1991-11-21 | Siemens Ag, 8000 Muenchen, De | |
| DE4212068C1 (en) * | 1992-04-10 | 1993-04-29 | Hella Kg Hueck & Co, 4780 Lippstadt, De |
-
1993
- 1993-11-03 DE DE4337505A patent/DE4337505C1/en not_active Expired - Fee Related
-
1994
- 1994-11-02 EP EP95900056A patent/EP0727089B1/en not_active Expired - Lifetime
- 1994-11-02 WO PCT/DE1994/001289 patent/WO1995012890A1/en not_active Application Discontinuation
- 1994-11-02 AT AT95900056T patent/ATE153175T1/en not_active IP Right Cessation
- 1994-11-02 CA CA002175592A patent/CA2175592A1/en not_active Abandoned
- 1994-11-02 CZ CZ961215A patent/CZ121596A3/en unknown
- 1994-11-02 US US08/602,811 patent/US5699899A/en not_active Expired - Fee Related
- 1994-11-02 DE DE59402780T patent/DE59402780D1/en not_active Expired - Fee Related
- 1994-11-02 JP JP7512956A patent/JPH09504639A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US5699899A (en) | 1997-12-23 |
| WO1995012890A1 (en) | 1995-05-11 |
| DE4337505C1 (en) | 1995-03-30 |
| DE59402780D1 (en) | 1997-06-19 |
| EP0727089B1 (en) | 1997-05-14 |
| JPH09504639A (en) | 1997-05-06 |
| ATE153175T1 (en) | 1997-05-15 |
| EP0727089A1 (en) | 1996-08-21 |
| CZ121596A3 (en) | 1997-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |