US20140353203A1 - Vacuum storage bag with exhaust valve and pressure-sealing zipper - Google Patents

Vacuum storage bag with exhaust valve and pressure-sealing zipper Download PDF

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Publication number
US20140353203A1
US20140353203A1 US13/821,229 US201213821229A US2014353203A1 US 20140353203 A1 US20140353203 A1 US 20140353203A1 US 201213821229 A US201213821229 A US 201213821229A US 2014353203 A1 US2014353203 A1 US 2014353203A1
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United States
Prior art keywords
valve
valve seat
pressure
sealing
plastic bag
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
Application number
US13/821,229
Inventor
Zhihe Hu
Zhigang Wang
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.)
BIGLAND ELECTRIC APPLIANCE CO LTD
Original Assignee
BIGLAND ELECTRIC APPLIANCE CO LTD
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
Application filed by BIGLAND ELECTRIC APPLIANCE CO LTD filed Critical BIGLAND ELECTRIC APPLIANCE CO LTD
Assigned to BIGLAND ELECTRIC APPLIANCE CO., LTD reassignment BIGLAND ELECTRIC APPLIANCE CO., LTD ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HU, ZHIHE, WANG, ZHIGANG
Publication of US20140353203A1 publication Critical patent/US20140353203A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
    • B65D81/2023—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum in a flexible container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/22—Details
    • B65D77/225—Pressure relief-valves incorporated in a container wall, e.g. valves comprising at least one elastic element

Definitions

  • the present invention relates to storage apparatus for food and jewelry of family, and pertains to the household field, in particular relates to a re-useable vacuum storage bag with exhaust valve and pressure-sealing zipper.
  • Vacuum food storage bag has been accepted and used widely by consumers due to a demand on the quality of people's life and food sanitation. But the average family cannot afford to buy such vacuum bag because it is expensive and consumable.
  • the present invention employs the following technical solutions:
  • a vacuum pressure-sealing storage bag with exhaust valve and pressure-sealing zipper comprises plastic bag films, an exhaust valve and a pressure-sealing zipper.
  • the exhaust valve comprises a valve plate, valve seat and valve cover.
  • the valve plate is configured between the valve seat and the plastic bag film being bonded to the valve seat.
  • An air duct is configured between the valve seat and inner surface of the valve cover.
  • the valve plate is made of soft polymer, and is disposed between the plastic bag film and the valve seat, wherein a raised cone head is provided in the center position of the valve plate, and is configured to mate with a conical boring of the valve seat in a sealing relationship.
  • a raised cone head is provided in the center position of the valve plate, and is configured to mate with a conical boring of the valve seat in a sealing relationship.
  • the cone head of the valve plate will be raised slightly under the exhaust pressure, and the air inside can be exhausted through the duct.
  • the cone head of the valve plate will be attached tightly to the conical boring of the valve seat under the negative air pressure.
  • valve seat One surface of the valve seat is bonded to inner surface of the plastic bag film. Numerous grooves and convex ribs are spread over the other surface of the valve seat, and are wrapped tightly by the valve cover, whereby a narrow and winding air duct is formed by the grooves and convex ribs together with inner surface of the valve cover.
  • the pressure-sealing zipper is provided at an opening of the plastic bag with exhaust valve, and these bags could be re-useable without damaging bags.
  • FIG. 1 depicts a schematic view of a bag according to the present invention
  • FIG. 2 depicts a schematic view of an exhaust valve according to the present invention
  • FIG. 3 depicts a schematic view showing air duct of the exhaust valve according to the present invention
  • FIG. 4 depicts an exploded view of the exhaust valve according to the present invention.
  • a vacuum pressure-sealing storage bag with exhaust valve and pressure-sealing zipper comprises a plastic bag film 10 , exhaust valve 20 and pressure-sealing zipper 40 .
  • the exhaust valve 20 disposed at the opening of the bag comprises a valve plate 21 , a valve seat 22 and a valve cover 23 .
  • the exhaust valve 20 is provided between the upper film and lower film of the plastic bag.
  • valve seat 22 One surface of the valve seat 22 is bonded firmly to inner surface of the plastic bag film 10 . Numerous grooves 221 and convex ribs 222 are spread over the other surface of the valve seat 22 , and are wrapped tightly by a valve cover 23 , so that such structure can produce a narrow and winding air duct 30 , which will filter the air passed therein, and will prevent the duct from entering sealing surface of the valve plate to improve the sealing reliability of the plastic bag.
  • the valve plate 21 is made of soft polymer, wherein a raised cone head is provided in its center position, and is configured to mate with a conical boring of the valve seat to form a reliable sealing surface.
  • the valve plate 21 is configured between the valve seat 22 and the plastic bag film 10 being bonded to the valve seat 22 .
  • the cone head 211 of the valve plate will be raised slightly under the exhaust pressure, and the air inside can be exhausted through the duct 30 .
  • the cone head 211 of the valve plate will be attached tightly to the conical boring of the valve seat again under the negative air pressure.
  • a pressure-sealing zipper 40 is provided at the opening of the bag with the exhaust valve 20 , whereby goods could be picked out or put in the bag, such structure could be re-useable without damaging the plastic bag.
  • the vacuum storage bag of the present invention could be re-useable and avoid waste.
  • the narrow air duct formed by the grooves of valve seat and the valve cover could filter the air inside the bag, to prevent the dust from entering sealing surface between the valve plate and the valve seat;
  • the cone head of the valve plate ensures its sealing reliability further.
  • the present invention is adapted for household, restaurant and outdoor activities, food and jewelry could be vacuum packed with vacuum-pumping equipment.

Abstract

A vacuum storage bag comprising a plastic bag film, an exhaust valve and a pressure-sealing zipper is provided. The exhaust valve includes a valve plate, a valve seat and a valve cover, the exhaust valve configured between an upper film and a lower film of the plastic bag. One side of the valve seat is bonded to an inner surface of one of the films. Numerous grooves are spread over the other surface of the valve seat, and are wrapped tightly by the valve cover. A cone head is raised in the center of the valve plate between valve seat and the film, and tightly mates with a conical boring of the valve seat. A narrow air duct is formed by the grooves of valve seat and cover, and could filter air in the bag to prevent dust from entering sealing surface between the valve plate and the valve seat.

Description

    FIELD OF TECHNOLOGY
  • The present invention relates to storage apparatus for food and jewelry of family, and pertains to the household field, in particular relates to a re-useable vacuum storage bag with exhaust valve and pressure-sealing zipper.
    • BACKGROUND
  • Vacuum food storage bag has been accepted and used widely by consumers due to a demand on the quality of people's life and food sanitation. But the average family cannot afford to buy such vacuum bag because it is expensive and consumable.
  • Some re-useable vacuum pressure-sealing plastic bags with exhaust valves and zippers have been appeared on the market, but their pressure-sealing effect is unreliable and temporary due to its inexperienced technique and structure, and customers don't intend to buy such product continuously and many responses from them are negative. For such existing product, in which especially the exhaust valve is complicated, the product's structure is that basically the upper and lower plastic films clamp the plastic bag, and a soft valve plate is placed in the center hole thereof so as to attain the exhaust and seal function, such plastic bag is mainly handmade currently with high cost.
  • In addition, the pressure-sealing effect would be weakened or disappeared due to the dust entering sealing surface in actual use, since the sealing for the above mentioned plastic bag is in the manner of a plane sealing and lacks of air filtration device. Therefore, there is a strong demand for a vacuum storage bag that could be re-useable and low cost
    • SUMMARY
  • It is an object of the invention to provide a vacuum storage bag featuring reliable and durable sealing efficiency, simple structure, low cost, mechanized producing and being re-useable.
  • To achieve the above object, the present invention employs the following technical solutions:
  • A vacuum pressure-sealing storage bag with exhaust valve and pressure-sealing zipper comprises plastic bag films, an exhaust valve and a pressure-sealing zipper. The exhaust valve comprises a valve plate, valve seat and valve cover. The valve plate is configured between the valve seat and the plastic bag film being bonded to the valve seat. An air duct is configured between the valve seat and inner surface of the valve cover.
  • The valve plate is made of soft polymer, and is disposed between the plastic bag film and the valve seat, wherein a raised cone head is provided in the center position of the valve plate, and is configured to mate with a conical boring of the valve seat in a sealing relationship. During air exhaust, the cone head of the valve plate will be raised slightly under the exhaust pressure, and the air inside can be exhausted through the duct. When air exhaust is done, the cone head of the valve plate will be attached tightly to the conical boring of the valve seat under the negative air pressure.
  • One surface of the the valve seat is bonded to inner surface of the plastic bag film. Numerous grooves and convex ribs are spread over the other surface of the valve seat, and are wrapped tightly by the valve cover, whereby a narrow and winding air duct is formed by the grooves and convex ribs together with inner surface of the valve cover.
  • The pressure-sealing zipper is provided at an opening of the plastic bag with exhaust valve, and these bags could be re-useable without damaging bags.
  • The present invention has the following advantageous effects as compared with to the prior art:
      • 1. The sealing efficiency of the plastic bag of the invention is reliable and durable, the cone head of the valve plate is fitted tightly with the valve seat, and could resist the actions, such as the pushing or pulling or squeezing or shocking force applied to the plastic bag by external force, to prevent air leakage;
      • 2. Goods containing dust and impurities could be packed by the plastic bag of the present invention with excellent sealing efficiency, because the air can be filtered by the exhaust valve, the dust can be prevented from entering sealing surface of valve plate;
      • 3. The exhaust valve of the plastic bag of the invention is bonded firmly to inner surface of the plastic bag film, and such one-sided combination structure is suitable for a mechanized mass production in order to save cost.
    BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 depicts a schematic view of a bag according to the present invention;
  • FIG. 2 depicts a schematic view of an exhaust valve according to the present invention;
  • FIG. 3 depicts a schematic view showing air duct of the exhaust valve according to the present invention;
  • FIG. 4 depicts an exploded view of the exhaust valve according to the present invention.
    •  LIST OF REFERENCE CHARACTERS
  • 10 plastic bag film;
  • 20 exhaust valve;
  • 21 valve plate;
  • 211 cone head;
  • 22 valve seat;
  • 221 groove;
  • 222 Convex rib;
  • 23 valve cover;
  • 30 air duct;
  • 40 pressure-sealing zipper.
    • DETAILED DESCRIPTION
  • The invention is explained in detail in the following with reference to the drawing:
  • As shown in FIG. 1, a vacuum pressure-sealing storage bag with exhaust valve and pressure-sealing zipper comprises a plastic bag film 10, exhaust valve 20 and pressure-sealing zipper 40. As shown in FIGS. 2 and 3, the exhaust valve 20 disposed at the opening of the bag comprises a valve plate 21, a valve seat 22 and a valve cover 23. The exhaust valve 20 is provided between the upper film and lower film of the plastic bag.
  • One surface of the valve seat 22 is bonded firmly to inner surface of the plastic bag film 10. Numerous grooves 221 and convex ribs 222 are spread over the other surface of the valve seat 22, and are wrapped tightly by a valve cover 23, so that such structure can produce a narrow and winding air duct 30, which will filter the air passed therein, and will prevent the duct from entering sealing surface of the valve plate to improve the sealing reliability of the plastic bag.
  • The valve plate 21 is made of soft polymer, wherein a raised cone head is provided in its center position, and is configured to mate with a conical boring of the valve seat to form a reliable sealing surface. The valve plate 21 is configured between the valve seat 22 and the plastic bag film 10 being bonded to the valve seat 22. During air exhaust, the cone head 211 of the valve plate will be raised slightly under the exhaust pressure, and the air inside can be exhausted through the duct 30. When air exhaust is done, the cone head 211 of the valve plate will be attached tightly to the conical boring of the valve seat again under the negative air pressure.
  • A pressure-sealing zipper 40 is provided at the opening of the bag with the exhaust valve 20, whereby goods could be picked out or put in the bag, such structure could be re-useable without damaging the plastic bag.
  • The vacuum storage bag of the present invention could be re-useable and avoid waste. The narrow air duct formed by the grooves of valve seat and the valve cover could filter the air inside the bag, to prevent the dust from entering sealing surface between the valve plate and the valve seat; The cone head of the valve plate ensures its sealing reliability further. The present invention is adapted for household, restaurant and outdoor activities, food and jewelry could be vacuum packed with vacuum-pumping equipment.
  • The description mentioned above is the preferred embodiment of the invention, not for purposes of limitation. Therefore, any simple modifications and equal variations to the above embodiment according to the technical substance of the invention, falls within the scope of the appended claims.

Claims (4)

1. A vacuum pressure-sealing storage bag comprising;
a plastic bag film;
an exhaust valve; and
a pressure-sealing zipper;
wherein the exhaust valve comprises a valve plate, a valve seat and a valve cover, the valve plate is configured between the valve seat and the plastic bag film being bonded to the valve seat,
wherein an air duct is configured between the valve seat and an inner surface of the valve cover.
2. The vacuum pressure-sealing storage bag according to claim 1, wherein the valve plate is made of soft polymer, and is provided between the plastic bag film and the valve seat, and a raised cone head is provided in a center of the valve plate, and tightly mates with a conical boring of the valve seat.
3. The vacuum pressure-sealing storage bag according to claim 1, wherein one surface of the valve seat is bonded to the inner surface of the plastic bag film, and a plurality of grooves and convex ribs are spread over the other surface of the valve seat, and are wrapped tightly by the valve cover, whereby a narrow and winding air duct is formed by the plurality of grooves and convex ribs together with the inner surface of the valve cover.
4. The vacuum pressure-sealing storage bag according to claim 1, wherein the pressure-sealing zipper is configured at an opening of the vacuum pressure-sealing storage bag.
US13/821,229 2011-12-02 2012-07-03 Vacuum storage bag with exhaust valve and pressure-sealing zipper Abandoned US20140353203A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201110396042.8 2011-12-02
CN2011103960428A CN102514804B (en) 2011-12-02 2011-12-02 Vacuum fresh-keeping bag provided with extraction valve and sealing zipper
PCT/CN2012/078098 WO2013078863A1 (en) 2011-12-02 2012-07-03 Vacuum bag for retaining freshness with air extraction valve and sealing fastener

Publications (1)

Publication Number Publication Date
US20140353203A1 true US20140353203A1 (en) 2014-12-04

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US (1) US20140353203A1 (en)
KR (1) KR101656589B1 (en)
CN (1) CN102514804B (en)
WO (1) WO2013078863A1 (en)

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US20150259122A1 (en) * 2012-09-26 2015-09-17 Medicart International Limited Vacuum storage system
USD845761S1 (en) 2018-01-17 2019-04-16 Hms Mfg. Co. Closure clip
US20190193912A1 (en) * 2017-12-21 2019-06-27 Ronald McLeod Vacuum Bag Assembly
WO2020190459A1 (en) * 2019-03-19 2020-09-24 Medivators Inc. Vented endoscope tray covers, systems and methods
US10925300B2 (en) 2017-10-03 2021-02-23 Tyson Foods, Inc. Packaging with pressure driven oxygen egress
US20220227561A1 (en) * 2021-01-15 2022-07-21 Lucid Presence, LLC dba Helius Sealable vacuum luggage bag
US20230264884A1 (en) * 2022-02-21 2023-08-24 Ali Yassine Sous Vide Mylar Bags

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CN102514804B (en) * 2011-12-02 2013-12-25 东莞市盈尔电器有限公司 Vacuum fresh-keeping bag provided with extraction valve and sealing zipper
CN104044799A (en) * 2013-03-15 2014-09-17 张人堂 Airtight bag with seal structure
CN103287162B (en) * 2013-05-24 2015-04-29 宁波奥特唯工具有限公司 Sealed file cover with two-way air valve
CN105292705B (en) * 2015-11-09 2017-12-29 刘德华 A kind of sealing device of packaging bag
TWI641538B (en) * 2017-08-21 2018-11-21 川本國際包裝有限公司 Bag fresh-keeping exhaust valve
US20190233171A1 (en) * 2018-01-30 2019-08-01 Yang Keun YU Portable apparatus of detecting counterfeit banknote, and zipper bag for easy air discharge
TWI682880B (en) * 2018-09-25 2020-01-21 川本國際包裝有限公司 Self-service dry food fresh-keeping vent bag structure
CN110239822A (en) * 2019-04-30 2019-09-17 余姚市华寅包装材料有限公司 A kind of food vacuum packaging bag with one-way exhaust valve arrangement
CN112373927B (en) * 2020-10-29 2022-07-19 立兆股份有限公司 Vacuum storage bag assembly and vacuum storage system
CN114751075A (en) * 2022-05-24 2022-07-15 淮安市威特彩印包装有限公司 Self-sealing vacuum compression bag

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CN102514804A (en) 2012-06-27
WO2013078863A1 (en) 2013-06-06
KR101656589B1 (en) 2016-09-09
KR20140054412A (en) 2014-05-08
CN102514804B (en) 2013-12-25

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