US3054712A - Metal coated fibers with rubber treatment - Google Patents

Metal coated fibers with rubber treatment Download PDF

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Publication number
US3054712A
US3054712A US810522A US81052259A US3054712A US 3054712 A US3054712 A US 3054712A US 810522 A US810522 A US 810522A US 81052259 A US81052259 A US 81052259A US 3054712 A US3054712 A US 3054712A
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US
United States
Prior art keywords
rubber
fibers
metal coated
coated fibers
metal
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.)
Expired - Lifetime
Application number
US810522A
Inventor
Harry B Whitehurst
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Owens Corning
Original Assignee
Owens Corning Fiberglas Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to DENDAT1070587D priority Critical patent/DE1070587B/de
Priority to BE536778D priority patent/BE536778A/xx
Priority claimed from US419920A external-priority patent/US2920981A/en
Priority to FR1133824D priority patent/FR1133824A/en
Priority to GB8610/55A priority patent/GB804301A/en
Priority to CH341273D priority patent/CH341273A/en
Priority to US783095A priority patent/US3041202A/en
Application filed by Owens Corning Fiberglas Corp filed Critical Owens Corning Fiberglas Corp
Priority to US810522A priority patent/US3054712A/en
Publication of US3054712A publication Critical patent/US3054712A/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/42—Coatings containing inorganic materials
    • C03C25/46—Metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/0028—Reinforcements comprising mineral fibres, e.g. glass or carbon fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/693—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06Q—DECORATING TEXTILES
    • D06Q1/00—Decorating textiles
    • D06Q1/04—Decorating textiles by metallising

Definitions

  • This invention relates to metal coated fibers and particularly to metal coated fibrous glass and treatments for enhancin the properties thereof.
  • the fibers have been coated with metals and alloys of metals such as have been described in copending applications.
  • metals and alloys of metals such as have been described in copending applications.
  • One or more of the following metals and alloys are applied by a suitable method as disclosed in copending applications having Serial Numbers 380,868; 398,544; 317,678; 318,786; 319,388; 391,184; 399,239: lead, zinc, tin, copper, aluminum, silver, Woods alloy, Roses alloy, and various other alloys such as zinc-titanium, lead-copper, lead-tin, aluminum-copper, aluminum-gold, aluminum-zinc, aluminum-tin, lead-antimony, cadmium-zinc, copper-cadmium, tin-indium, silver-tin, silver-zinc, copper-zinc, antimony-tin, antimony-zinc, copper-aluminum, Dow metal, brazing and soldering alloys and the like
  • Treatments for bare fibrous glass used in the textile arts have been described in the literature and generally comprise the application of size and binder compositions and the like. Some of these compositions are adapted for use with metal coated fibrous glass; however, treatments especially suited for metal coated fibrous glass have been discovered.
  • the objects of this invention are attained by treating metal coated fibers with specific materials within the classification of lubricants, sizes, coating materials, acids, bases, oxidizing agents, adhesives or mixtures of one or more of these materials.
  • Metal coated fibers or bundles of fibers which may or may not have been treated with a size are coated with adhesive compositions before they are combined with rubber, resin or other materials which are to be reinforced.
  • Rubber adhesives comprising a rubbery component and a resinous component in solvent systems are utilized to treat metal coated fibers before they are combined with rubber to produce glass rein-forced rubber products.
  • Conventional rubber adhesives comprising resorcinol-formaldehyde latex are used likewise to achieve the desired bonding effect between the reinforcing fibers and the body or carcass of rubber.
  • Rubber adhesives are readily applied by dipping the metal coated fiber in a latex or cement bath or by spreading a cement bath upon a fabric woven of metal coated fibers.
  • the cement which comprises compounded rubber in an organic solvent is directed upon the surface of a Woven fabric or a weftless fabric and the excess removed by a doctor blade.
  • the cement is then dried by applying heat to remove the solvent.
  • a strand or a cord comprising metal coated fibrous glass when passed through an adhesive bath picks up sufiicient adhesive to fill the interstices of the strand and provide a coating over the strand itself.
  • the rubbery component of the adhesive may be vulcanized at the same time that the glass reinforced rubber product is vulcanized or molded.
  • Adhesive compositions comprising natural rubber latex, caustic potash, zinc oxide, sulfur and suitable accelerators and the like are used to treat metal coated fibers and these fibers are then combined with rubber by calendering methods or other suitable means and the resulting product is heated for a sufiicient time to effect vulcanization of the rubber in the adhesive and that in the body or carcass of the glass-reinforced rubber product.
  • Chloroprene latex adhesives comprising zinc oxide, accelerator and neoprene latex likewise may be used.
  • Chloroprene and butadiene-acrylonitrile rubbers are bonded to metal coated fibers during vulcanization by using Ty Ply S which is likewise a chemical derivative f rubber in volatile solvents.
  • Ty Ply S is adapted for use with synthetic rubber.
  • Metal coated fibers are provided with an outer coating of rubber by electrodepositing rubber thereon by the Sheppard process disclosed in United States Patents 1,589,324 to 1,589,330, inclusive, and others. Rubber is electrodeposited on lead, cadmium, zinc, tin, antimony and alloys of these metals which has been applied to fibrous glass by passing the metal coated fibers through an electroplating bath comprising the following ingredients:
  • Rubber so deposited has great strength. Fibers so treated are readily combined with rubber in the carcass of a tire belt or other rubber product.
  • the metal coating imparts abrasion resistance and greater strength to the fibrous glass and the electrodeposited outer rubber coating which is very strong adds further to the abrasion resistance of the individual fibers and provides an outer surface on fibers, strands, cords, bundles of fibers or fabrics which is very compatible With rubber.
  • Metal coated fibers having an outer layer of electrodeposited rubber are combined with a rubber carcass by conventional methods such as by applying suitable rubber adhesives to the rubber surfaces to be joined followed by a vulcanization step.
  • Metal coated fibers are provided with an outer coating of plastieized vinyl polymers such as polyvinyl chloride and the like using calendering or extruding processes.
  • Metal coated fibers are coated with plastisols, highly plasticized vinyl polymers, by drawing the fibers through a bath of plastisol and then stripping the excess plastisol by passing the fiber through a die.
  • Solvent solutions of vinyl polymers may be applied by dipping or other coating processes also. Strands, bundles of fibers, yarns or the like may be so treated.
  • an integral glass reinforced rubber product comprising electrodepositing a rubber coating upon fibers which have been coated witha metal from the group consisting of lead, cadmium, zinc, tin, antimony and alloys of these metals, the electrodeposited rubber coating being applied from a bath comprising the following ingrediens expressed in weight percent of total solids, 53.3% rubber latex, 2.0% sulfur, 10.0% zinc oxide, 30.0% whiting, 2.0% carbon black, 2.0% paraffin wax, 0.2% tetramethyl thiuram disulfide and 0.5% gum arabic, combining these treated fibers with a body of unvulcanized rubber, and vulcanizing the rubber to provide a strong, integral product.
  • a metal from the group consisting of lead, cadmium, zinc, tin, antimony and alloys of these metals
  • the electrodeposited rubber coating being applied from a bath comprising the following ingrediens expressed in weight percent of total solids, 53.3% rubber latex, 2.0% sulfur, 10.0% zinc oxide, 30.0%

Description

United States Patent 3,054,712 METAL COATED FIBERS WITH RUBBER TREATMENT Harry B. Whitehurst, Newark, Ohio, assignor to Owens- Corning Fiberglas Corporation, a corporatlon of Delaware N Drawing. Original application Mar. 30, 1954, Ser. No. 419,920, now Patent No. 2,920,981, dated Jan. 12, 1960. Divided and this application Apr. 20, 1959, Ser. No. 810,522
1 Claim. (Cl. 156-151) This application is a division of application Serial No. 419,920, filed March 30, 1954 now Patent 2,920,981, in the name of the present inventor.
This invention relates to metal coated fibers and particularly to metal coated fibrous glass and treatments for enhancin the properties thereof.
In an attempt to adapt fibrous glass for certain new uses, the fibers have been coated with metals and alloys of metals such as have been described in copending applications. One or more of the following metals and alloys are applied by a suitable method as disclosed in copending applications having Serial Numbers 380,868; 398,544; 317,678; 318,786; 319,388; 391,184; 399,239: lead, zinc, tin, copper, aluminum, silver, Woods alloy, Roses alloy, and various other alloys such as zinc-titanium, lead-copper, lead-tin, aluminum-copper, aluminum-gold, aluminum-zinc, aluminum-tin, lead-antimony, cadmium-zinc, copper-cadmium, tin-indium, silver-tin, silver-zinc, copper-zinc, antimony-tin, antimony-zinc, copper-aluminum, Dow metal, brazing and soldering alloys and the like. Metal coated fibers having secondary and tertiary coatings of electrodeposited metal are likewise treated by the methods and materials of this invention. In order to facilitate processing of metal coated fibers, it has been found necessary to treat the fibers with various agents to provide handleability.
Treatments for bare fibrous glass used in the textile arts have been described in the literature and generally comprise the application of size and binder compositions and the like. Some of these compositions are adapted for use with metal coated fibrous glass; however, treatments especially suited for metal coated fibrous glass have been discovered.
It is an object of this invention to provide treatments for enhancing the properties of metal coated fibers.
It is an object to reduce the coefiicient of friction of metal surfaces of fibers which slide one over the other.
It is a further object to provide methods of improving the physical properties and handling characteristics of metal coated fibrous glass in the form of textile materials.
It is an object to provide surface protective coatings for metal coated fibers.
The objects of this invention are attained by treating metal coated fibers with specific materials within the classification of lubricants, sizes, coating materials, acids, bases, oxidizing agents, adhesives or mixtures of one or more of these materials.
To improve the handling characteristics of metal coated fibers which are to be used in reinforcing other materials,
it is necessary to group together a suflicient number of fibers in the form of a strand, yarn, roving or the like in order to obtain suflicient bulkiness so that the strand 3,054,? 12 Patented Sept. 1 8, 1 962 or other form can be handled in processing steps which follow the forming operation, i.e., twisting, plying and so forth. If a strand comprising a plurality of fibers is to be handled, it is generally necessary that some sort of a size or lubricating material be applied to provide strand integrity. The treating material must hold together individual fibers within a single strand with sufficient strength to provide integrity. However, adjacent strands should not be so firmly adhered one to another within a package that the package cannot be unwound.
Metal coated fibers or bundles of fibers which may or may not have been treated with a size are coated with adhesive compositions before they are combined with rubber, resin or other materials which are to be reinforced. Rubber adhesives comprising a rubbery component and a resinous component in solvent systems are utilized to treat metal coated fibers before they are combined with rubber to produce glass rein-forced rubber products. Conventional rubber adhesives comprising resorcinol-formaldehyde latex are used likewise to achieve the desired bonding effect between the reinforcing fibers and the body or carcass of rubber.
Rubber adhesives are readily applied by dipping the metal coated fiber in a latex or cement bath or by spreading a cement bath upon a fabric woven of metal coated fibers. The cement which comprises compounded rubber in an organic solvent is directed upon the surface of a Woven fabric or a weftless fabric and the excess removed by a doctor blade. The cement is then dried by applying heat to remove the solvent.
A strand or a cord comprising metal coated fibrous glass when passed through an adhesive bath picks up sufiicient adhesive to fill the interstices of the strand and provide a coating over the strand itself. The rubbery component of the adhesive may be vulcanized at the same time that the glass reinforced rubber product is vulcanized or molded.
Adhesive compositions comprising natural rubber latex, caustic potash, zinc oxide, sulfur and suitable accelerators and the like are used to treat metal coated fibers and these fibers are then combined with rubber by calendering methods or other suitable means and the resulting product is heated for a sufiicient time to effect vulcanization of the rubber in the adhesive and that in the body or carcass of the glass-reinforced rubber product.
Chloroprene latex adhesives comprising zinc oxide, accelerator and neoprene latex likewise may be used.
Good adhesion of metal coated fibers to rubber during vulcanization is also achieved as follows. To the metal coated fibers is applied a metal to rubber adhesive such as Ty Ply Q which is a chemical derivative of rubber dispersed in a volatile solvent. The coated metal is then combined with a suitable sheet of natural or reclaimed rubber and the composite product is heated in a mold under pressure to vulcanize the rubber.
Chloroprene and butadiene-acrylonitrile rubbers are bonded to metal coated fibers during vulcanization by using Ty Ply S which is likewise a chemical derivative f rubber in volatile solvents. Ty Ply S is adapted for use with synthetic rubber.
Metal coated fibers are provided with an outer coating of rubber by electrodepositing rubber thereon by the Sheppard process disclosed in United States Patents 1,589,324 to 1,589,330, inclusive, and others. Rubber is electrodeposited on lead, cadmium, zinc, tin, antimony and alloys of these metals which has been applied to fibrous glass by passing the metal coated fibers through an electroplating bath comprising the following ingredients:
Rubber so deposited has great strength. Fibers so treated are readily combined with rubber in the carcass of a tire belt or other rubber product.
The metal coating imparts abrasion resistance and greater strength to the fibrous glass and the electrodeposited outer rubber coating which is very strong adds further to the abrasion resistance of the individual fibers and provides an outer surface on fibers, strands, cords, bundles of fibers or fabrics which is very compatible With rubber. Metal coated fibers having an outer layer of electrodeposited rubber are combined with a rubber carcass by conventional methods such as by applying suitable rubber adhesives to the rubber surfaces to be joined followed by a vulcanization step.
Metal coated fibers are provided with an outer coating of plastieized vinyl polymers such as polyvinyl chloride and the like using calendering or extruding processes. Metal coated fibers are coated with plastisols, highly plasticized vinyl polymers, by drawing the fibers through a bath of plastisol and then stripping the excess plastisol by passing the fiber through a die. Solvent solutions of vinyl polymers may be applied by dipping or other coating processes also. Strands, bundles of fibers, yarns or the like may be so treated.
Various other treatments for metal coated fibers are included within the spirit and scope of the appended claim.
I claim:
In a process of making an integral glass reinforced rubber product, the improvement comprising electrodepositing a rubber coating upon fibers which have been coated witha metal from the group consisting of lead, cadmium, zinc, tin, antimony and alloys of these metals, the electrodeposited rubber coating being applied from a bath comprising the following ingrediens expressed in weight percent of total solids, 53.3% rubber latex, 2.0% sulfur, 10.0% zinc oxide, 30.0% whiting, 2.0% carbon black, 2.0% paraffin wax, 0.2% tetramethyl thiuram disulfide and 0.5% gum arabic, combining these treated fibers with a body of unvulcanized rubber, and vulcanizing the rubber to provide a strong, integral product.
References Cited in the file of this patent UNITED STATES PATENTS 1,589,330 Shepperd June 15, 1926 2,092,240 Bodle Sept. 7, 1937 2,179,068 Sprague Nov. 7, 1939 2,400,576 Sigmund et al. May 21, 1946 2,720,076 Sachara Oct. 11, 1955
US810522A 1954-03-30 1959-04-20 Metal coated fibers with rubber treatment Expired - Lifetime US3054712A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DENDAT1070587D DE1070587B (en) 1954-03-30
BE536778D BE536778A (en) 1954-03-30
FR1133824D FR1133824A (en) 1954-03-30 1955-03-22 Manufacturing process of metal coated fibers
GB8610/55A GB804301A (en) 1954-03-30 1955-03-24 Improvements relating to metal-coated fibres
CH341273D CH341273A (en) 1954-03-30 1955-03-29 Process for the production of fibers provided with a metal coating
US783095A US3041202A (en) 1954-03-30 1958-12-29 Metal coated fibers and treatments therefor
US810522A US3054712A (en) 1954-03-30 1959-04-20 Metal coated fibers with rubber treatment

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US419920A US2920981A (en) 1954-03-30 1954-03-30 Metal coated fibers and treatments therefor
US783095A US3041202A (en) 1954-03-30 1958-12-29 Metal coated fibers and treatments therefor
US810522A US3054712A (en) 1954-03-30 1959-04-20 Metal coated fibers with rubber treatment

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US783095A Expired - Lifetime US3041202A (en) 1954-03-30 1958-12-29 Metal coated fibers and treatments therefor
US810522A Expired - Lifetime US3054712A (en) 1954-03-30 1959-04-20 Metal coated fibers with rubber treatment

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US783095A Expired - Lifetime US3041202A (en) 1954-03-30 1958-12-29 Metal coated fibers and treatments therefor

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BE (1) BE536778A (en)
CH (1) CH341273A (en)
DE (1) DE1070587B (en)
FR (1) FR1133824A (en)
GB (1) GB804301A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170811A (en) * 1962-02-28 1965-02-23 Arthur G Sauds Production of fused polytetrafluoroethylene film on elastomers
JPS4920941B1 (en) * 1970-06-19 1974-05-28
US4401519A (en) * 1981-02-25 1983-08-30 Olin Corporation Method for producing reticulate electrode for electrolytic cells
US4456507A (en) * 1981-06-22 1984-06-26 Grow Group, Inc. Method of applying aqueous chip resistant coating compositions

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL263978A (en) * 1960-04-28
US3161534A (en) * 1961-12-22 1964-12-15 Du Pont Process for increasing the scratch resistance of glass
US3420693A (en) * 1964-06-05 1969-01-07 Ball Brothers Co Inc Glass having dual protective coatings thereon and a method for forming such coatings
US4173187A (en) * 1967-09-22 1979-11-06 The United States Of America As Represented By The Secretary Of The Army Multipurpose protection system
US4125640A (en) * 1975-04-21 1978-11-14 Conant Louis A Method of manufacturing defect free nickel armored laboratory and industrial brittleware
JPS60134067A (en) * 1983-12-19 1985-07-17 豊田合成株式会社 Fiber article
EP0171938A3 (en) * 1984-08-09 1986-10-08 Chemring Limited Slip coating
KR101921611B1 (en) * 2017-04-18 2018-11-26 한국과학기술원 Semiconductor nanocrystal film

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1589330A (en) * 1925-04-07 1926-06-15 Eastman Kodak Co Aqueous emulsion containing electrodepositable rubber and a cellulosic compound
US2092240A (en) * 1933-03-06 1937-09-07 Goodrich Co B F Method of making rubber articles
US2179068A (en) * 1937-12-09 1939-11-07 Sprague Specialties Co Variable condenser
US2400576A (en) * 1942-03-28 1946-05-21 Sigmund Corp Deposition of rubber on the windings of magnetizable cores
US2720076A (en) * 1952-10-09 1955-10-11 Goodrich Co B F Coated filament and article therefrom

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2481372A (en) * 1946-09-27 1949-09-06 Shell Dev Rust protective lubricants
US2662836A (en) * 1950-01-06 1953-12-15 Montgomery H A Co Preparing metal surfaces for drawing operations
US2707157A (en) * 1952-01-14 1955-04-26 Dow Chemical Co Asphalt-impregnated linoleum-type articles and method of making same
US2772518A (en) * 1952-11-10 1956-12-04 Owens Corning Fiberglass Corp Method of coating glass filaments with metal
US2930105A (en) * 1953-07-31 1960-03-29 Goodrich Co B F Glass fiber material
US2848390A (en) * 1953-11-10 1958-08-19 Owens Corning Fiberglass Corp Method and apparatus for applying metal to glass
US2782563A (en) * 1953-11-23 1957-02-26 Owens Corning Fiberglass Corp Method and means for producing metal-coated glass fibers
BE535142A (en) * 1954-01-26

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1589330A (en) * 1925-04-07 1926-06-15 Eastman Kodak Co Aqueous emulsion containing electrodepositable rubber and a cellulosic compound
US2092240A (en) * 1933-03-06 1937-09-07 Goodrich Co B F Method of making rubber articles
US2179068A (en) * 1937-12-09 1939-11-07 Sprague Specialties Co Variable condenser
US2400576A (en) * 1942-03-28 1946-05-21 Sigmund Corp Deposition of rubber on the windings of magnetizable cores
US2720076A (en) * 1952-10-09 1955-10-11 Goodrich Co B F Coated filament and article therefrom

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170811A (en) * 1962-02-28 1965-02-23 Arthur G Sauds Production of fused polytetrafluoroethylene film on elastomers
JPS4920941B1 (en) * 1970-06-19 1974-05-28
US4401519A (en) * 1981-02-25 1983-08-30 Olin Corporation Method for producing reticulate electrode for electrolytic cells
US4456507A (en) * 1981-06-22 1984-06-26 Grow Group, Inc. Method of applying aqueous chip resistant coating compositions

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CH341273A (en) 1959-09-30
US3041202A (en) 1962-06-26
DE1070587B (en)
GB804301A (en) 1958-11-12
BE536778A (en)
FR1133824A (en) 1957-04-02

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