US2870954A - Vacuum package - Google Patents

Vacuum package Download PDF

Info

Publication number
US2870954A
US2870954A US58490556A US2870954A US 2870954 A US2870954 A US 2870954A US 58490556 A US58490556 A US 58490556A US 2870954 A US2870954 A US 2870954A
Authority
US
Grant status
Grant
Patent type
Prior art keywords
package
vacuum
valve piece
envelope
valve
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
Inventor
Chester P Kulesza
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.)
Reynolds Metals Co
Original Assignee
Reynolds Metals Co
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
Grant date

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D81/00Containers, 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
    • B65D81/18Containers, 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
    • B65D81/20Containers, 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
    • B65D81/2007Containers, 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
    • B65D81/2023Containers, 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D81/00Containers, 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
    • B65D81/18Containers, 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
    • B65D81/20Containers, 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
    • B65D81/2007Containers, 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
    • B65D81/2038Containers, 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 with means for establishing or improving vacuum

Description

KULESZA VACUUM PACKAGE 2 Sheets s 1 FiledMay 1956 INVENTOR.

Jan. 27, 1959 c. P. KULESZA 2,870,954

VACUUM PACKAGE Filed May 15, 1956 IN V EN TORI United States Patent VACUUM PACKAGE Chester P. Knlesza, Midlothian, Va., assignor to Reynolds Metals Company, Richmond, Va., a corporation of Delaware Application May 15, 1956, Serial No. 584,905

1 Claim. (Cl. 229-625) The object of the invention is to provide a package, pouch, envelope, or the like made from a flexible packaging material into which is built a very simple and inexpensive valve device which permits a vacuum to be drawn within the package after it has been filled and which will retain the vacuum for an extended period of time. This package is especially suitable for vacuum packaging of products subject to deterioration by air, oxygen, molds, bacteria moisture, or light. Some of these products are bacon, luncheon meats, cheeses, coffee, tea, dried milk powders, dried yeast, dehydrated meats, dehydrated soups, dehydrated vegetables, confections, frozen meats, frozen fish and fish products, frozen fruits and vegetables, and many other food items.

A characteristic of the package is that it may be made from a variety of materials, particularly aluminum foil bearing a heat sealing layer, the valve being made from a single additional layer of the foil or other material and which will lie so fiat with respect to the wall of the package as not to affect its capacity or form in the least.

The invention will be described with reference to the accompanying drawings, in which,

Fig. 1 is a perspective view of an envelope package constructed in accordance with the invention, the valve piece lying against the upper wall of the envelope and being shown in dotted line; i

Fig. 2 is a longitudinal section through the structure of Fig. 1, showing somewhat enlarged the manner in which vacuum-action withdraws air from the material within the package;

Fig. 3 is a view similar to Fig. 1, being taken on line 3-3 (Fig. 1) and showing the package sealed by the valve;

Fig. 4 is a fragmentary section generally on the line 3-3 (Fig. 1), and enlarged, showing the position of the valve during withdrawal of air from the interior of the envelope;

Fig. 5 is a perspective view showing the two wrapper sheets of the package, fragmentarily, the upper sheet having applied exteriorly thereto the vacuum sealing valve;

Fig. 6 is a view similar to Fig. l but showing a boxlike package, the valve piece lying against the upper wall of the overlying wrap;

Fig. 7 is a longitudinal section through the structure of Fig. 6 showing, somewhat enlarged, the manner in which vacuum action withdraws air from the package and its contents;

Fig. 8 is a view of the structure shown in Figs. 6 and 7, and in section, showing the package sealed by the valve; and

Fig. 9 is a perspective view of the valve piece.

A desirable material for the envelope of Fig. l or the wrap for the box-like package shown in Fig. 6 is aluminum foil carrying one of various heat-sealing layers. Inasmuch as such layers fill and seal the pinholes of exceedingly thin aluminum foil, the latter can be used in a very 2,870,954 Patented Jan. 27, 1959 Wide range as to thickness, as, for example, .00035" to .006". However, heat sealing films per so can be used but aluminum foil is preferred. For one reason it is impervious to harmful light rays which accelerate oxida tion. Aluminum foil, when used, may be strengthened by one or more layers of paper, cellophane, or other suitable reinforcing materials. 1

Referring to the drawings, I have shown in Fig. l a sealed envelope which, it will be understood, contains a material for which protection against deterioration is desired. The envelope consists of two sheets, 1 and 1x, heat sealed together at their margins. Sheet. 1 is formed with a very small perforation at 2 and a valve piece 3 lies over the said perforation at the under side of sheet 1. The valve piece is heat sealed at its margins to sheet 1 and is formed with an opening at 4 which is preferably larger than opening 2. As shown in Fig. 2 sheet 1 may have an inner heat sealing layer as at 5 and to which the valve piece 3 may be secured at its margin. In Figs. 2-4 the contents of the envelope are indicated at 6.

The valve piece must be as flat and smooth as possible and preferably is of the same material as sheets 1 and 1x. With some stocks, particularly those that have a hard or somewhat uneven surface a mastic compound such as microcrystalline wax can be applied within the margins of the valve piece to enable greater and longer vacuum retention. Of course, this mastic will not be required if the vent in the package is sealed off, as later to be de scribed.

When the envelope is filled and heat sealed, being in the condition that its interior is under the same pressure as its exterior it may, along with a suitable number of like envelopes, duly filled, be placed in a vacuum chamber and all of the packages simultaneously evacuated upon an exhaustion of air from the chambers. It will be seen by reference to Figs. 1 and 4 that the air within the envelope and its contents will be drawn out first through aperture 4 of the valve piece and then through aperture 2 of sheet 1. Equilibrium of air pressure in the envelope and the vacuum chambers is very quickly reached, leaving a vacuum in the envelope. At this point air is quickly introduced into the vacuum chamber. The atmospheric pressure forces the walls of the envelope against the package product, and at the same time the atmospheric pressure forces the valve piece of the pouch closed and seated, sealing the package for maintaining vacuum therein for a long period of time. Thus in the use of an envelope wall-material of aluminum foil hav- .ing a heat sealing layer which also serves as a plastic abutment, my package has been found to retain the vacuum for as long as one year, without heat sealing the area between the valve openings, andthis has been found true whether the package material is flat or is irregular.

In the structure of Figs. 6-8 the valve piece is applied to .a unitary wrapping sheet 9 applied over a cardboard box or form retaining member 10, sheet 9 having on its interior. a heat sealing layer 11. Wrapping sheet 9 is applied to form retaining member 10 and its folds and laps of the folds are heat sealed and hermetically so.

Sheet 9 is provided with a very small opening at 12.

Under the opening and heat sealed to sheet 9 is the valve piece 13, the latter being provided with an opening 14.

When the package of Fig. 6 is filled and the wrap 9 applied and hermetically sealed at its folds and laps of its folds, the treatment thereof in a vacuum chamber will be the same as above described with reference to the package envelope, the application of vacuum in the chamber acting upon the valve piece in the manner shown in Fig. 7 and the sudden introduction of air into the chamber sealing the valve piece as indicated in Fig. 8.

If desired and after the packaging is completed by the vacuum chamber action, the hole in the appropgiate package sheet can be sealed off from the hole in the valve piece by heat sealing a small area around one of the holes,

or. by heat sealing, across the valve piece intermediate, they holes. The valve piece-may be on the .exter r or -i to a vacuum, permitting egress o-f,air,, ,it is preferredthat,

the valve piece bestifiier and also,that, it lie withinthe outerwall and be concealed thereby.

What is claimed is An' impervious flexible wrapping sheetadapted for the formation of hermetically sealed packages in general, consisting of at least {one sheet ofaluminum foil and a ye 0 h ea ma e i l carr d, her by; and p suh-I ywu fqfm hickn s rs dis e t h vin g spa rin re n e e d n I m h, t at-s al n yer, .,a d, a 5

relatively stifi valve piece -'{facing,said heat'sealinglayeg d valve p e n p fi i perv u m@t fl1.. ,811.u. to the aluminum foil sheet by said heat sealing material at least along the periphery of the valve piece, leaving an intermediate area unsealed, said intermediate area being opposite the opening in the foil, and said valve piece having an opening spaced from the opening in the foil and within the unsealed intermediate area of the valve piece, the valve piece having a stifinessgreatenthan the flexible wrapping sheet per se.

References-Cited in theme of this patent UNITED STATES PATENTS

US2870954A 1956-05-15 1956-05-15 Vacuum package Expired - Lifetime US2870954A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US2870954A US2870954A (en) 1956-05-15 1956-05-15 Vacuum package

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2870954A US2870954A (en) 1956-05-15 1956-05-15 Vacuum package

Publications (1)

Publication Number Publication Date
US2870954A true US2870954A (en) 1959-01-27

Family

ID=24339259

Family Applications (1)

Application Number Title Priority Date Filing Date
US2870954A Expired - Lifetime US2870954A (en) 1956-05-15 1956-05-15 Vacuum package

Country Status (1)

Country Link
US (1) US2870954A (en)

Cited By (113)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003682A (en) * 1959-05-01 1961-10-10 Roger P Mattson Material mixing bags
US3012895A (en) * 1958-11-07 1961-12-12 Mitchel R Stelnicki Food package
US3061165A (en) * 1960-09-01 1962-10-30 Racine Ind Plant Inc Lined container package
US3074798A (en) * 1959-03-25 1963-01-22 Charles E Palmer Method of packaging meat
US3086693A (en) * 1958-06-11 1963-04-23 Continental Can Co Vacuum pack bag and sealing package therefor
US3102676A (en) * 1960-02-16 1963-09-03 Montedison Spa Self-closing containers
DE1185466B (en) * 1961-08-11 1965-01-14 Windmoeller & Hoelscher A valve sack made of plastic and method and apparatus for its production
US3193180A (en) * 1961-08-03 1965-07-06 Lissner Hans Container of flexible material and in the shape of a sack, pouch, bladder or bag, particularly valved sack, and method of closing the same
US3197119A (en) * 1963-07-02 1965-07-27 Bemis Bro Bag Co Bags
US3207420A (en) * 1964-05-19 1965-09-21 Octaviano D Navarrete-Kindelan Container
DE1201749B (en) * 1959-10-08 1965-09-23 Ucb Union Chemique Chemische B With a fill valve-provided packaging bag made of thermoplastic material
US3209804A (en) * 1961-04-28 1965-10-05 British Visqueen Ltd Valved bags
US3214082A (en) * 1961-10-13 1965-10-26 Polymer Ind Chimiche S P A Self-closing containers and method of their manufacture
DE1205000B (en) * 1961-11-24 1965-11-11 Bischof & Klein Valve flat bag made of thermoplastic material
DE1207858B (en) * 1961-09-07 1965-12-23 Erich Schmidt Closure to a package for solid, in particular for lumpy cargoes
US3233815A (en) * 1963-02-28 1966-02-08 Nat Dairy Prod Corp Packaging
DE1211065B (en) * 1960-02-16 1966-02-17 Montedison Spa od sack, sack. like. with valve for automatically filling and closing as well as methods for its preparation
US3245195A (en) * 1959-02-16 1966-04-12 Evacuated Insulation Res Ltd Method of producing heat insulating panels
DE1238385B (en) * 1962-09-05 1967-04-06 Lissner & Co Geb Preferably consisting of plastic sack or reservoir with beutelfoermiger Lueftungsloechern
US3360382A (en) * 1965-12-27 1967-12-26 Scientific Atlanta Method of packaging meat
US3370405A (en) * 1964-12-18 1968-02-27 Studley Paper Company Inc Vacuum cleaner filter bags and method of manufacturing same
US3421302A (en) * 1966-08-29 1969-01-14 Outboard Marine Corp Lawn mower grass catching bag
DE1287426B (en) * 1964-12-21 1969-01-16 Bemis Co Inc Bag with Entlueftungsoeffnungen and methods for making these bags
DE1293075B (en) * 1961-02-21 1969-04-17 Natro Cellulosa S P A Valve bag or pouch made of plastic
DE1297531B (en) * 1963-11-30 1969-06-12 Psg Plastik Sack Gmbh Plastic valve bag
US3541752A (en) * 1968-06-07 1970-11-24 Irving Ness Packaging of compressible goods
DE1586778B (en) * 1967-10-27 1971-10-07 Fritz Dr Linder Bacteria resistant lockable plastic bag for receiving material to sterilizing Good
US4000846A (en) * 1975-06-30 1977-01-04 Dunkin' Donuts Incorporated Pressure relief valve and bag incorporating same
US4042170A (en) * 1975-05-06 1977-08-16 Ab Svenska Dental Instrument Sterile package
US4134535A (en) * 1976-06-04 1979-01-16 Hag Aktiengesellschaft Pressure relief valve for packing containers
US4296862A (en) * 1979-08-27 1981-10-27 Armentrout James L Devious path bacterial barrier
US4449243A (en) * 1981-09-10 1984-05-15 Cafes Collet Vacuum package bag
USRE31890E (en) * 1977-01-25 1985-05-21 Freezing mould bag
US4550546A (en) * 1982-09-27 1985-11-05 Ethyl Corporation Sterilizable perforated packaging material
US4576283A (en) * 1983-01-25 1986-03-18 Bernard Fafournoux Bag for vacuum packaging of articles
US4591055A (en) * 1985-07-24 1986-05-27 Corn Ronald J Vacuum package for transit
FR2578816A1 (en) * 1985-03-13 1986-09-19 Dunlop Ltd Packaging pressure-tight
US4744199A (en) * 1985-02-12 1988-05-17 Fgl Projects Limited Vacuum packaging
WO1988007479A1 (en) * 1987-03-21 1988-10-06 Robert Bosch Gmbh Packaging receptacle with gas outlet vent
US5228271A (en) * 1992-05-28 1993-07-20 Medivators, Inc. Method and apparatus for compacting soft goods
USRE34929E (en) * 1985-09-23 1995-05-09 Tilia, Inc. Plastic bag for vacuum sealing
US5458899A (en) * 1990-09-05 1995-10-17 Weyerhaeuser Company Method of packaging perishable food or horticultural products
US5505950A (en) * 1990-09-05 1996-04-09 Weyerhaeuser Company Method of packaging perishable food or horticultural products
US5540646A (en) * 1993-04-21 1996-07-30 W. R. Grace & Co.-Conn. Method of making a shrinkable bag with protective patch
WO1996030199A1 (en) * 1995-03-29 1996-10-03 Compac International, Inc. Method and apparatus for making a muschroom spawn bag
US5598684A (en) * 1993-05-04 1997-02-04 Sara Lee/De N.V. Vacuum package, method and apparatus for making such vacuum package filled with granular material
US5747082A (en) * 1990-09-05 1998-05-05 Weyerhaeuser Co Package for perishable food and horticultural products
US5868244A (en) * 1997-12-01 1999-02-09 Ethicon, Inc. Microbial barrier vented package for sterile medical devices and method of packaging
US5894929A (en) * 1997-06-19 1999-04-20 Yugenkaisha Kusaka Raremetal Kenkyusho Vacuum packaging bag and vacuum packaging method
EP0915013A1 (en) 1997-11-07 1999-05-12 Brodart S.A. Method of lidding containers, cover film for carrying out this method and product thus obtained
US5908649A (en) * 1990-09-05 1999-06-01 Weyerhaeuser Company Package for perishable food and horticultural products
US5992442A (en) * 1997-05-29 1999-11-30 Urquhart; Edward F. Relief valve for use with hermetically sealed flexible container
US20030089737A1 (en) * 2001-11-09 2003-05-15 Michael Wilford Flexible plastic container
US20030127178A1 (en) * 2002-01-08 2003-07-10 Brent Anderson Method for texturing a film
US20030136798A1 (en) * 2001-11-09 2003-07-24 Michael Wilford Flexible plastic container
US6663905B1 (en) 1998-03-16 2003-12-16 Cryovac, Inc. Patch bag having wrap-around patch
US6663284B2 (en) * 2001-06-21 2003-12-16 1361215 Ontario Inc. Pressure sensitive one-way valve
US20040007494A1 (en) * 2002-07-15 2004-01-15 Popeil Ronald M. Apparatus and method to more effectively vacuum package foods and other objects
US20040065051A1 (en) * 2002-10-04 2004-04-08 Patterson Justin C. Appliance for vacuum sealing food containers
US20050044814A1 (en) * 2002-10-04 2005-03-03 Patterson Justin C. Appliance for vacuum sealing food containers
NL1026061C2 (en) * 2004-04-28 2005-10-31 Siete Hamminga Package for an ingredient in solid form, a process for distributing such an ingredient, and use of the method.
US20050242114A1 (en) * 1999-11-10 2005-11-03 Chester Savage Collapsible bag for dispensing liquids and method
US20050274736A1 (en) * 2000-04-13 2005-12-15 Dr Pepper/Seven-Up, Inc. Collapsible container for liquids
US20050281494A1 (en) * 2003-04-23 2005-12-22 Exopack-Technology, Llc Method of forming a vented bag
US20050286808A1 (en) * 2004-06-29 2005-12-29 Zimmerman Dean A Flexible storage bag
US20060048483A1 (en) * 2004-07-23 2006-03-09 Tilman Paul A Storage system having a disposable vacuum bag
US20060073175A1 (en) * 1993-02-22 2006-04-06 American Bioscience, Inc. Methods and formulations for delivery of pharmacologically active agents
US20060076058A1 (en) * 2004-10-07 2006-04-13 Celomat S.A. Pressure-relief one-way valve applicable to a package containing a gas-releasing product, wherein there coexist a fluid medium and an air bubble, and a package including said valve
US20060131328A1 (en) * 2004-12-22 2006-06-22 Brent Anderson One way valve and container
US20060159576A1 (en) * 2005-01-20 2006-07-20 Bergman Carl L Storage bag with fluid separator
US7131250B2 (en) 2002-10-04 2006-11-07 Jcs/Thg, Llp Appliance for vacuum sealing food containers
US20060289518A1 (en) * 2005-05-20 2006-12-28 Exopack-Technology, Llc Microwave cooking package for food products and associated methods
US20060289519A1 (en) * 2005-05-20 2006-12-28 Exopack-Technology, Llc Microwave cooking package for food products and associated methods
WO2007006060A1 (en) * 2005-07-08 2007-01-18 Starlinger & Co Gesellschaft M.B.H. Ventilatable bag
US20070025648A1 (en) * 2005-07-27 2007-02-01 Kenneth Micnerski Collapsible bag for dispensing liquids and method
US20070047852A1 (en) * 2005-08-29 2007-03-01 Exopack-Technology, Llc Grease-resistant pinch-bottom bag, adhesive closure for bag, and related methods
US20070047853A1 (en) * 2005-08-29 2007-03-01 Exopack-Technology, Llc Grease-resistant bag having adhesive closure, adhesive closure for bag, and related methods
US20070090109A1 (en) * 2003-05-30 2007-04-26 Martin Gustavsson Valve
US20070092167A1 (en) * 2005-10-24 2007-04-26 Paul Tilman Polymeric Package With Resealable Closure And Valve, And Methods
US20070110340A1 (en) * 2005-11-17 2007-05-17 Buchman James E Tamper evident polymeric package with zipper closure and valve, and methods
US20070132876A1 (en) * 2005-12-14 2007-06-14 Tsuyoshi Ohno Solid-state image pickup device, color separation image pickup optical system and image pickup apparatus
US20070172157A1 (en) * 2004-07-23 2007-07-26 Alcoa Inc. Polymeric package with resealable closure and valve and methods relating thereto
US20070217718A1 (en) * 2006-03-14 2007-09-20 Kenneth Micnerski Collapsible bag for dispensing liquids and method
US20080226203A1 (en) * 2007-03-16 2008-09-18 Dais Brian C Pouch and airtight resealable closure mechanism therefor
US20080256901A1 (en) * 2005-10-24 2008-10-23 Reynolds Foil Inc, D/B/A Reynolds Consumer Products Company Polymeric package with resealable closure and valve, and methods
US20080310774A1 (en) * 2007-06-15 2008-12-18 Turvey Robert R Pouch with a valve
US20080310770A1 (en) * 2007-06-15 2008-12-18 Turvey Robert R Valve for a recloseable container
US20080310776A1 (en) * 2007-06-15 2008-12-18 Turvey Robert R Flow channels for a pouch
US20090290817A1 (en) * 2004-06-29 2009-11-26 Borchardt Michael G Flexible Storage Bag
US20090324143A1 (en) * 2005-08-19 2009-12-31 Exopack, Llc. Bags having composite structures and related methods
US20100150479A1 (en) * 2008-12-15 2010-06-17 Exopack, Llc Multi-layered bags and methods of manufacturing the same
US20100158417A1 (en) * 2008-12-22 2010-06-24 Exopack, Llc Multi-layered bags and methods of manufacturing the same
US20100177990A1 (en) * 2007-07-17 2010-07-15 Neltner Andrew E Storage bag
US20100205909A1 (en) * 2007-07-24 2010-08-19 Zimmerman Dean A Storage bag
US7857514B2 (en) 2006-12-12 2010-12-28 Reynolds Foil Inc. Resealable closures, polymeric packages and systems and methods relating thereto
US7857515B2 (en) 2007-06-15 2010-12-28 S.C. Johnson Home Storage, Inc. Airtight closure mechanism for a reclosable pouch
US7886412B2 (en) 2007-03-16 2011-02-15 S.C. Johnson Home Storage, Inc. Pouch and airtight resealable closure mechanism therefor
US20110089168A1 (en) * 2009-10-19 2011-04-21 Exopack, Llc Microwavable bags for use with liquid oil and related methods
US7946766B2 (en) 2007-06-15 2011-05-24 S.C. Johnson & Son, Inc. Offset closure mechanism for a reclosable pouch
US20120224792A1 (en) * 2007-06-15 2012-09-06 S. C. Johnson Home Storage, Inc. Valve And Valve Strip For A Reclosable Container
US20120267264A1 (en) * 2011-04-22 2012-10-25 Paul Bernard Newman Adaptive Packaging for Food Processing Systems
US8397958B2 (en) 2010-08-05 2013-03-19 Ds Smith Plastics Limited Closure valve assembly for a container
US20130129874A1 (en) * 2010-07-30 2013-05-23 General Mills, Inc. Package with closure, aperture, and insert
US8893518B2 (en) 2011-04-25 2014-11-25 Ics Solutions B.V. Accelerating, optimizing and controlling product cooling in food processing systems
US20150122846A1 (en) * 2013-11-06 2015-05-07 The Procter & Gamble Company Flexible containers with vent systems
US20150122841A1 (en) * 2013-11-06 2015-05-07 The Procter & Gamble Company Easy to empty flexible containers
US9131729B2 (en) 2011-09-28 2015-09-15 Ics Solutions B.V. Safe and efficient thermal transfer media for processing of food and drink products
US9241510B2 (en) 2011-04-23 2016-01-26 Ics Solutions B.V. Apparatus and method for optimizing and controlling food processing system performance
US9657856B2 (en) 2013-05-16 2017-05-23 O2I Ltd Regulating apparatus for a pressure activated one-way valve
US9694965B2 (en) 2013-11-06 2017-07-04 The Procter & Gamble Company Flexible containers having flexible valves
US9955711B2 (en) 2011-05-20 2018-05-01 Jbt Food & Dairy Systems B.V. Method and apparatus for increased product throughput capacity, improved quality and enhanced treatment and product packaging flexibility in a continuous sterilizing system
US9988190B2 (en) 2015-04-10 2018-06-05 The Procter & Gamble Company Flexible containers with biased dispensing
US10017300B2 (en) 2015-04-10 2018-07-10 The Procter & Gamble Company Flexible containers with product dispensing visibility

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE565770C (en) * 1932-12-07 Bertram Schaefer A plurality of layers of existing paper bag or paper sack
US2420983A (en) * 1945-05-12 1947-05-20 Ivers Lee Co Method of and machine for packaging
US2576322A (en) * 1947-07-05 1951-11-27 Harry F Waters Bag with vacuum sealed valve closure
US2582982A (en) * 1946-11-05 1952-01-22 Pennsylvania Rubber Company Pressure packaged tennis ball
GB689714A (en) * 1950-11-29 1953-04-01 Wilts United Dairies Ltd Improvements in and relating to airtight packages

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE565770C (en) * 1932-12-07 Bertram Schaefer A plurality of layers of existing paper bag or paper sack
US2420983A (en) * 1945-05-12 1947-05-20 Ivers Lee Co Method of and machine for packaging
US2582982A (en) * 1946-11-05 1952-01-22 Pennsylvania Rubber Company Pressure packaged tennis ball
US2576322A (en) * 1947-07-05 1951-11-27 Harry F Waters Bag with vacuum sealed valve closure
GB689714A (en) * 1950-11-29 1953-04-01 Wilts United Dairies Ltd Improvements in and relating to airtight packages

Cited By (164)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3086693A (en) * 1958-06-11 1963-04-23 Continental Can Co Vacuum pack bag and sealing package therefor
US3012895A (en) * 1958-11-07 1961-12-12 Mitchel R Stelnicki Food package
US3245195A (en) * 1959-02-16 1966-04-12 Evacuated Insulation Res Ltd Method of producing heat insulating panels
US3074798A (en) * 1959-03-25 1963-01-22 Charles E Palmer Method of packaging meat
US3003682A (en) * 1959-05-01 1961-10-10 Roger P Mattson Material mixing bags
DE1201749B (en) * 1959-10-08 1965-09-23 Ucb Union Chemique Chemische B With a fill valve-provided packaging bag made of thermoplastic material
US3102676A (en) * 1960-02-16 1963-09-03 Montedison Spa Self-closing containers
DE1211065B (en) * 1960-02-16 1966-02-17 Montedison Spa od sack, sack. like. with valve for automatically filling and closing as well as methods for its preparation
US3061165A (en) * 1960-09-01 1962-10-30 Racine Ind Plant Inc Lined container package
DE1293075B (en) * 1961-02-21 1969-04-17 Natro Cellulosa S P A Valve bag or pouch made of plastic
US3209804A (en) * 1961-04-28 1965-10-05 British Visqueen Ltd Valved bags
US3193180A (en) * 1961-08-03 1965-07-06 Lissner Hans Container of flexible material and in the shape of a sack, pouch, bladder or bag, particularly valved sack, and method of closing the same
DE1185466B (en) * 1961-08-11 1965-01-14 Windmoeller & Hoelscher A valve sack made of plastic and method and apparatus for its production
DE1207858B (en) * 1961-09-07 1965-12-23 Erich Schmidt Closure to a package for solid, in particular for lumpy cargoes
US3214082A (en) * 1961-10-13 1965-10-26 Polymer Ind Chimiche S P A Self-closing containers and method of their manufacture
DE1205000B (en) * 1961-11-24 1965-11-11 Bischof & Klein Valve flat bag made of thermoplastic material
DE1238385B (en) * 1962-09-05 1967-04-06 Lissner & Co Geb Preferably consisting of plastic sack or reservoir with beutelfoermiger Lueftungsloechern
US3233815A (en) * 1963-02-28 1966-02-08 Nat Dairy Prod Corp Packaging
US3197119A (en) * 1963-07-02 1965-07-27 Bemis Bro Bag Co Bags
DE1297531B (en) * 1963-11-30 1969-06-12 Psg Plastik Sack Gmbh Plastic valve bag
US3207420A (en) * 1964-05-19 1965-09-21 Octaviano D Navarrete-Kindelan Container
US3370405A (en) * 1964-12-18 1968-02-27 Studley Paper Company Inc Vacuum cleaner filter bags and method of manufacturing same
DE1287426B (en) * 1964-12-21 1969-01-16 Bemis Co Inc Bag with Entlueftungsoeffnungen and methods for making these bags
US3360382A (en) * 1965-12-27 1967-12-26 Scientific Atlanta Method of packaging meat
US3421302A (en) * 1966-08-29 1969-01-14 Outboard Marine Corp Lawn mower grass catching bag
DE1586778B (en) * 1967-10-27 1971-10-07 Fritz Dr Linder Bacteria resistant lockable plastic bag for receiving material to sterilizing Good
US3541752A (en) * 1968-06-07 1970-11-24 Irving Ness Packaging of compressible goods
US4042170A (en) * 1975-05-06 1977-08-16 Ab Svenska Dental Instrument Sterile package
US4000846A (en) * 1975-06-30 1977-01-04 Dunkin' Donuts Incorporated Pressure relief valve and bag incorporating same
US4134535A (en) * 1976-06-04 1979-01-16 Hag Aktiengesellschaft Pressure relief valve for packing containers
USRE31890E (en) * 1977-01-25 1985-05-21 Freezing mould bag
US4296862A (en) * 1979-08-27 1981-10-27 Armentrout James L Devious path bacterial barrier
US4449243A (en) * 1981-09-10 1984-05-15 Cafes Collet Vacuum package bag
US4550546A (en) * 1982-09-27 1985-11-05 Ethyl Corporation Sterilizable perforated packaging material
US4576283A (en) * 1983-01-25 1986-03-18 Bernard Fafournoux Bag for vacuum packaging of articles
US4744199A (en) * 1985-02-12 1988-05-17 Fgl Projects Limited Vacuum packaging
FR2578816A1 (en) * 1985-03-13 1986-09-19 Dunlop Ltd Packaging pressure-tight
US4715494A (en) * 1985-03-13 1987-12-29 Dunlop Limited A British Company Internally pressurized package with heat-sealable closure member
US4591055A (en) * 1985-07-24 1986-05-27 Corn Ronald J Vacuum package for transit
USRE34929E (en) * 1985-09-23 1995-05-09 Tilia, Inc. Plastic bag for vacuum sealing
WO1988007479A1 (en) * 1987-03-21 1988-10-06 Robert Bosch Gmbh Packaging receptacle with gas outlet vent
US5747082A (en) * 1990-09-05 1998-05-05 Weyerhaeuser Co Package for perishable food and horticultural products
US5505950A (en) * 1990-09-05 1996-04-09 Weyerhaeuser Company Method of packaging perishable food or horticultural products
US5908649A (en) * 1990-09-05 1999-06-01 Weyerhaeuser Company Package for perishable food and horticultural products
US5458899A (en) * 1990-09-05 1995-10-17 Weyerhaeuser Company Method of packaging perishable food or horticultural products
US5228271A (en) * 1992-05-28 1993-07-20 Medivators, Inc. Method and apparatus for compacting soft goods
US20060073175A1 (en) * 1993-02-22 2006-04-06 American Bioscience, Inc. Methods and formulations for delivery of pharmacologically active agents
US5540646A (en) * 1993-04-21 1996-07-30 W. R. Grace & Co.-Conn. Method of making a shrinkable bag with protective patch
US5598684A (en) * 1993-05-04 1997-02-04 Sara Lee/De N.V. Vacuum package, method and apparatus for making such vacuum package filled with granular material
US5662576A (en) * 1993-09-29 1997-09-02 Compac International, Inc. Method of manufacturing an improved bag for the cultivation of mushroom spawn and apparatus therefor
WO1996030199A1 (en) * 1995-03-29 1996-10-03 Compac International, Inc. Method and apparatus for making a muschroom spawn bag
US5992442A (en) * 1997-05-29 1999-11-30 Urquhart; Edward F. Relief valve for use with hermetically sealed flexible container
US5894929A (en) * 1997-06-19 1999-04-20 Yugenkaisha Kusaka Raremetal Kenkyusho Vacuum packaging bag and vacuum packaging method
EP0915013A1 (en) 1997-11-07 1999-05-12 Brodart S.A. Method of lidding containers, cover film for carrying out this method and product thus obtained
US5868244A (en) * 1997-12-01 1999-02-09 Ethicon, Inc. Microbial barrier vented package for sterile medical devices and method of packaging
US6663905B1 (en) 1998-03-16 2003-12-16 Cryovac, Inc. Patch bag having wrap-around patch
US20050242114A1 (en) * 1999-11-10 2005-11-03 Chester Savage Collapsible bag for dispensing liquids and method
US7357276B2 (en) 1999-11-10 2008-04-15 Scholle Corporation Collapsible bag for dispensing liquids and method
US20050274736A1 (en) * 2000-04-13 2005-12-15 Dr Pepper/Seven-Up, Inc. Collapsible container for liquids
US7017781B2 (en) 2000-04-13 2006-03-28 Dr Pepper/Seven-Up, Inc. Collapsible container for liquids
US6663284B2 (en) * 2001-06-21 2003-12-16 1361215 Ontario Inc. Pressure sensitive one-way valve
US6715644B2 (en) 2001-11-09 2004-04-06 David S. Smith Packaging Limited Flexible plastic container
US20030136798A1 (en) * 2001-11-09 2003-07-24 Michael Wilford Flexible plastic container
US20030089737A1 (en) * 2001-11-09 2003-05-15 Michael Wilford Flexible plastic container
US20030127178A1 (en) * 2002-01-08 2003-07-10 Brent Anderson Method for texturing a film
US6984278B2 (en) 2002-01-08 2006-01-10 Cti Industries, Corporation Method for texturing a film
US20040007494A1 (en) * 2002-07-15 2004-01-15 Popeil Ronald M. Apparatus and method to more effectively vacuum package foods and other objects
US20050044814A1 (en) * 2002-10-04 2005-03-03 Patterson Justin C. Appliance for vacuum sealing food containers
US7076929B2 (en) 2002-10-04 2006-07-18 Jcs/Thg, Llc Appliance for vacuum sealing food containers
US7454884B2 (en) 2002-10-04 2008-11-25 Sunbeam Products, Inc. Appliance for vacuum sealing food containers
US7003928B2 (en) 2002-10-04 2006-02-28 Jcs/Thg, Llc Appliance for vacuum sealing food containers
US7401452B2 (en) 2002-10-04 2008-07-22 Sunbeam Products, Inc. Appliance for vacuum sealing food containers
US7131250B2 (en) 2002-10-04 2006-11-07 Jcs/Thg, Llp Appliance for vacuum sealing food containers
US20040065051A1 (en) * 2002-10-04 2004-04-08 Patterson Justin C. Appliance for vacuum sealing food containers
US20070204561A1 (en) * 2002-10-04 2007-09-06 Sunbeam Products, Inc. Appliance for vacuum sealing food containers
US7231753B2 (en) 2002-10-04 2007-06-19 Sunbeam Products, Inc. Appliance for vacuum sealing food containers
US20070068120A1 (en) * 2002-10-04 2007-03-29 Jcs/Thg, Llc. Appliance for vacuum sealing food containers
US6986605B1 (en) * 2003-04-23 2006-01-17 Exopack-Technology, Llc Multiwall vented bag, vented bag forming apparatus, and associated methods
US20050281494A1 (en) * 2003-04-23 2005-12-22 Exopack-Technology, Llc Method of forming a vented bag
US20070090109A1 (en) * 2003-05-30 2007-04-26 Martin Gustavsson Valve
US8911150B2 (en) * 2003-05-30 2014-12-16 Micvac Ab Valve
NL1026061C2 (en) * 2004-04-28 2005-10-31 Siete Hamminga Package for an ingredient in solid form, a process for distributing such an ingredient, and use of the method.
US20050286808A1 (en) * 2004-06-29 2005-12-29 Zimmerman Dean A Flexible storage bag
US20060280388A1 (en) * 2004-06-29 2006-12-14 The Glad Products Company Flexible storage bag
US20090290817A1 (en) * 2004-06-29 2009-11-26 Borchardt Michael G Flexible Storage Bag
US7578320B2 (en) 2004-06-29 2009-08-25 The Glad Products Company Flexible storage bag
US20060193540A1 (en) * 2004-06-29 2006-08-31 Borchardt Michael G Flexible Storage Bag
US7438473B2 (en) 2004-06-29 2008-10-21 The Glad Products Company Flexible storage bag
US7726880B2 (en) 2004-06-29 2010-06-01 The Glad Products Company Flexible storage bag
US20070116385A1 (en) * 2004-06-29 2007-05-24 The Glad Products Company Flexible storage bag
US8061899B2 (en) 2004-06-29 2011-11-22 The Glad Products Company Storage bag
US20060110079A1 (en) * 2004-06-29 2006-05-25 Zimmerman Dean A Storage bag
US20070292055A1 (en) * 2004-06-29 2007-12-20 Reuhs Rebecca S Bag with Valve
US8419279B2 (en) 2004-06-29 2013-04-16 The Glad Products Company Flexible storage bag
US20060283148A1 (en) * 2004-06-29 2006-12-21 The Glad Products Company Flexible storage bag
US20060280389A1 (en) * 2004-06-29 2006-12-14 The Glad Products Company Flexible storage bag
US7798714B2 (en) 2004-06-29 2010-09-21 The Clorox Company Flexible storage bag
US20070172157A1 (en) * 2004-07-23 2007-07-26 Alcoa Inc. Polymeric package with resealable closure and valve and methods relating thereto
US20060048483A1 (en) * 2004-07-23 2006-03-09 Tilman Paul A Storage system having a disposable vacuum bag
US7290660B2 (en) 2004-07-23 2007-11-06 Tilman Paul A Storage system having a disposable vacuum bag
US20110041466A1 (en) * 2004-07-23 2011-02-24 Closure Systems International Inc. Storage system having a disposable vacuum bag
US7490623B2 (en) 2004-10-07 2009-02-17 Celomat S.A. Pressure-relief one-way valve applicable to a package containing a gas-releasing product, wherein there coexist a fluid medium and an air bubble, and a package including said valve
US20060076058A1 (en) * 2004-10-07 2006-04-13 Celomat S.A. Pressure-relief one-way valve applicable to a package containing a gas-releasing product, wherein there coexist a fluid medium and an air bubble, and a package including said valve
US7972064B2 (en) 2004-12-22 2011-07-05 Cti Industries Corporation One way valve and container
US20060131328A1 (en) * 2004-12-22 2006-06-22 Brent Anderson One way valve and container
US7597479B2 (en) 2005-01-20 2009-10-06 The Glad Products Company Storage bag with fluid separator
US20060159576A1 (en) * 2005-01-20 2006-07-20 Bergman Carl L Storage bag with fluid separator
US20060289518A1 (en) * 2005-05-20 2006-12-28 Exopack-Technology, Llc Microwave cooking package for food products and associated methods
US20060289519A1 (en) * 2005-05-20 2006-12-28 Exopack-Technology, Llc Microwave cooking package for food products and associated methods
WO2007006060A1 (en) * 2005-07-08 2007-01-18 Starlinger & Co Gesellschaft M.B.H. Ventilatable bag
US20070025648A1 (en) * 2005-07-27 2007-02-01 Kenneth Micnerski Collapsible bag for dispensing liquids and method
US20090324143A1 (en) * 2005-08-19 2009-12-31 Exopack, Llc. Bags having composite structures and related methods
US20070047852A1 (en) * 2005-08-29 2007-03-01 Exopack-Technology, Llc Grease-resistant pinch-bottom bag, adhesive closure for bag, and related methods
US20070047853A1 (en) * 2005-08-29 2007-03-01 Exopack-Technology, Llc Grease-resistant bag having adhesive closure, adhesive closure for bag, and related methods
US20070286534A1 (en) * 2005-10-24 2007-12-13 Alcoa Inc. Polymeric package with resealable closure and valve, and methods
US20070092167A1 (en) * 2005-10-24 2007-04-26 Paul Tilman Polymeric Package With Resealable Closure And Valve, And Methods
US20080256901A1 (en) * 2005-10-24 2008-10-23 Reynolds Foil Inc, D/B/A Reynolds Consumer Products Company Polymeric package with resealable closure and valve, and methods
US20070110340A1 (en) * 2005-11-17 2007-05-17 Buchman James E Tamper evident polymeric package with zipper closure and valve, and methods
US20070132876A1 (en) * 2005-12-14 2007-06-14 Tsuyoshi Ohno Solid-state image pickup device, color separation image pickup optical system and image pickup apparatus
US20070217718A1 (en) * 2006-03-14 2007-09-20 Kenneth Micnerski Collapsible bag for dispensing liquids and method
US7857514B2 (en) 2006-12-12 2010-12-28 Reynolds Foil Inc. Resealable closures, polymeric packages and systems and methods relating thereto
US8176604B2 (en) 2007-03-16 2012-05-15 S.C. Johnson & Son, Inc. Pouch and airtight resealable closure mechanism therefor
US20080226203A1 (en) * 2007-03-16 2008-09-18 Dais Brian C Pouch and airtight resealable closure mechanism therefor
US7886412B2 (en) 2007-03-16 2011-02-15 S.C. Johnson Home Storage, Inc. Pouch and airtight resealable closure mechanism therefor
US20100284632A1 (en) * 2007-03-16 2010-11-11 Dais Brian C Pouch And Airtight Resealable Closure Mechanism Therefor
US7784160B2 (en) 2007-03-16 2010-08-31 S.C. Johnson & Son, Inc. Pouch and airtight resealable closure mechanism therefor
US8827556B2 (en) 2007-03-16 2014-09-09 S.C. Johnson & Son, Inc. Pouch and airtight resealable closure mechanism therefor
US20120224792A1 (en) * 2007-06-15 2012-09-06 S. C. Johnson Home Storage, Inc. Valve And Valve Strip For A Reclosable Container
US9428306B2 (en) 2007-06-15 2016-08-30 S.C. Johnson & Son, Inc. Gastight valve strip for a reclosable container
US7887238B2 (en) 2007-06-15 2011-02-15 S.C. Johnson Home Storage, Inc. Flow channels for a pouch
US20080310774A1 (en) * 2007-06-15 2008-12-18 Turvey Robert R Pouch with a valve
US20110085748A1 (en) * 2007-06-15 2011-04-14 Turvey Robert R Flow Channels for a Pouch
US8985855B2 (en) * 2007-06-15 2015-03-24 S.C. Johnson Home Storage, Inc. Valve and valve strip for a reclosable container
US7946766B2 (en) 2007-06-15 2011-05-24 S.C. Johnson & Son, Inc. Offset closure mechanism for a reclosable pouch
US7967509B2 (en) 2007-06-15 2011-06-28 S.C. Johnson & Son, Inc. Pouch with a valve
US20080310770A1 (en) * 2007-06-15 2008-12-18 Turvey Robert R Valve for a recloseable container
US7874731B2 (en) 2007-06-15 2011-01-25 S.C. Johnson Home Storage, Inc. Valve for a recloseable container
US20080310776A1 (en) * 2007-06-15 2008-12-18 Turvey Robert R Flow channels for a pouch
US8231273B2 (en) 2007-06-15 2012-07-31 S.C. Johnson & Son, Inc. Flow channel profile and a complementary groove for a pouch
US7857515B2 (en) 2007-06-15 2010-12-28 S.C. Johnson Home Storage, Inc. Airtight closure mechanism for a reclosable pouch
US20100177990A1 (en) * 2007-07-17 2010-07-15 Neltner Andrew E Storage bag
US20100205909A1 (en) * 2007-07-24 2010-08-19 Zimmerman Dean A Storage bag
US9056697B2 (en) 2008-12-15 2015-06-16 Exopack, Llc Multi-layered bags and methods of manufacturing the same
US20100150479A1 (en) * 2008-12-15 2010-06-17 Exopack, Llc Multi-layered bags and methods of manufacturing the same
US8282539B2 (en) 2008-12-22 2012-10-09 Exopack, Llc Multi-layered bags and methods of manufacturing the same
US20100158417A1 (en) * 2008-12-22 2010-06-24 Exopack, Llc Multi-layered bags and methods of manufacturing the same
US20110089168A1 (en) * 2009-10-19 2011-04-21 Exopack, Llc Microwavable bags for use with liquid oil and related methods
US8604399B2 (en) 2009-10-19 2013-12-10 Exopack, Llc Microwavable bags for use with liquid oil and related methods
US20130129874A1 (en) * 2010-07-30 2013-05-23 General Mills, Inc. Package with closure, aperture, and insert
US8397958B2 (en) 2010-08-05 2013-03-19 Ds Smith Plastics Limited Closure valve assembly for a container
US8973789B2 (en) 2010-08-05 2015-03-10 Ds Smith Plastics Limited Closure valve assembly for a container
US8820591B2 (en) 2010-08-05 2014-09-02 Ds Smith Plastics Limited Closure valve assembly for a container
US20120267264A1 (en) * 2011-04-22 2012-10-25 Paul Bernard Newman Adaptive Packaging for Food Processing Systems
US9241510B2 (en) 2011-04-23 2016-01-26 Ics Solutions B.V. Apparatus and method for optimizing and controlling food processing system performance
US8893518B2 (en) 2011-04-25 2014-11-25 Ics Solutions B.V. Accelerating, optimizing and controlling product cooling in food processing systems
US9955711B2 (en) 2011-05-20 2018-05-01 Jbt Food & Dairy Systems B.V. Method and apparatus for increased product throughput capacity, improved quality and enhanced treatment and product packaging flexibility in a continuous sterilizing system
US9131729B2 (en) 2011-09-28 2015-09-15 Ics Solutions B.V. Safe and efficient thermal transfer media for processing of food and drink products
US9657856B2 (en) 2013-05-16 2017-05-23 O2I Ltd Regulating apparatus for a pressure activated one-way valve
US20150122846A1 (en) * 2013-11-06 2015-05-07 The Procter & Gamble Company Flexible containers with vent systems
US9694965B2 (en) 2013-11-06 2017-07-04 The Procter & Gamble Company Flexible containers having flexible valves
US9850046B2 (en) * 2013-11-06 2017-12-26 The Procter & Gamble Company Flexible containers with vent systems
US20150122841A1 (en) * 2013-11-06 2015-05-07 The Procter & Gamble Company Easy to empty flexible containers
US9988190B2 (en) 2015-04-10 2018-06-05 The Procter & Gamble Company Flexible containers with biased dispensing
US10017300B2 (en) 2015-04-10 2018-07-10 The Procter & Gamble Company Flexible containers with product dispensing visibility

Similar Documents

Publication Publication Date Title
US3545983A (en) Method of deoxygenating and packaging of food products
US3467244A (en) Evacuated package with semirigid shell and flexible closure
US3419400A (en) Packaging foods-production of oxygen-free packages
US3468468A (en) Container
US3490576A (en) Air evacuated package
US3511433A (en) Unitary foam sheet container
US3247957A (en) Sterile packaging and the like
US3498018A (en) Method of forming a package
US3516537A (en) Opening device on bags and the like
US3156402A (en) Liquid absorbing and concealing device
US3617311A (en) Sealed beverage drinking cup
US3596828A (en) Flexible pouches and bags
US3073507A (en) Flexible bag
US3201258A (en) Wrapped package
US3681092A (en) Fresh meat packaging
US3574642A (en) Package for and method of packaging meats
US6054153A (en) Modified atmosphere package with accelerated reduction of oxygen level in meat compartment
US3754700A (en) Surgical pouches
US2364049A (en) Process for preserving food and product
US5901848A (en) Plural atmosphere package
US3410393A (en) Peelable packaging
US3204760A (en) Packages
US3435948A (en) Gas sterilizable package
US4727706A (en) Method for forming smooth walled flexible package
US5667827A (en) Process of packaging fresh meat