US2990948A - Sterile package - Google Patents

Sterile package Download PDF

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Publication number
US2990948A
US2990948A US72645858A US2990948A US 2990948 A US2990948 A US 2990948A US 72645858 A US72645858 A US 72645858A US 2990948 A US2990948 A US 2990948A
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Prior art keywords
container
fibers
cover
package
rim
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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
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Eli A Zackheim
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Johnson and Johnson
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Johnson and Johnson
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    • 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
    • B65D77/00Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10Container closures formed after filling
    • B65D77/20Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2024Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
    • B65D77/2028Means for opening the cover other than, or in addition to, a pull tab
    • B65D77/2032Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the 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
    • B65D2577/00Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/10Container closures formed after filling
    • B65D2577/20Container closures formed after filling by applying separate lids or covers
    • B65D2577/2041Pull tabs
    • B65D2577/205Pull tabs integral with the closure

Description

y 1961 E. A. ZACKHEIM 2,990,948

STERILE PACKAGE Filed April 4, 1958 INVENTOR [-21 A ZfC/V/lf/M ATTORNEY United States Patent 2,990,948 STERILE PACKAGE Eli A. Zackheim, South Plainfield, 'N.J., assignor to Johnson & Johnson, a corporation of New Jersey Filed Apr. 4, 1958, Ser. No. 726,458 6 Claims. (Cl. 20646) The present invention relates to the packaging of sterile articles and more particularly to readily openable sealed packages the interior of which can be sterilized after the package has been scaled shut.

When packaging sterile articles, for example, as sterile dressings, it is desirable that the package be of a nature that its contents can be sterilized after sealing. Also, the package should be of a design that it can be readily opened and the contents removed without touching the exterior or unsterile portions of the container either during opening of the package or during removal of the dressing so as to avoid contamination.

One method of making a package, the interior of which can be sterilized after scaling, is to form either the whole or a portion of the package of a porous material so as to permit the entry of steam where steam sterilization is used or the entry of sterilizing chemical gases where chemical sterilization is employed. However, one difficulty with the use of porous materials is that they tend to breathe. For this reason, the effective pore size should be such as to substantially prevent the entry of harmful organisms. Also, the package should be relatively stiif to prevent too much flexing of the package since flexing results in increased transfer of air through the porous portion.

It is frequently encountered in the packaging of articles in cardboard, paper and other similar materials that when the seal is broken and the cover removed there is a tendency for the cover or the container to tear or de laminate. Where the contents of the package are sterile, this condition makes it diflicult to remove the contents without contacting the same with an unsterile portion of the container, such as a ragged edge or unsterile delaminated strip.

It is an object of the present invention to prepare relatively stifi porous sealed packages, the contents of which can be sterilized after sealing and which will remain sterile until the seal is broken.

Patented July 4, 1961 FIG. 4 is a cross-sectional view of the package taken along line 4-4 of FIG. 2.

Referring to the drawings, the container portion 12 of the package is a molded fibrous pulp container formed by any of the conventional processes for molding pulped fibers into various forms, one method of molding such containers, for example, being described in the patent to Roy, 1,590,956 of June 29, 1926. The container, as shown has a dished shape and comprises a bottom 14, sides 15 and a rim 1-6.

The container 12 has placed therein a plurality of gauze sponges 11 and is sealed shut by cementing a paper cover to the top surface of the flanged rim 16.

- It will be noted in the container illustrated that the corners 17 of the container 12 are rounded, whereas the corners of the cover 20 are not. This results in the corners extending beyond the container so as to form readily accessible tabs 22 which can be readily grasped when removing the cover 20.

In opening the package 10 the container body 12 is held in one hand as illustrated in FIG. 1. One of the tabs 22 is then grasped and the cover 20 peeled back off the container 12 as illustrated. Since the cover 20 separates readily from the rim without leaving any jagged or torn edges, the sterile sponges 11 can readily be removed, without fear of contamination, either by forceps or by inverting the open container and letting the sponges fall out.

In molded fibrous pulp, the fibers are randomly disposed and relatively loosely bonded. This resultsin a porous body in which any openings through the body are in the form of tortuous paths which, although permitting entry of air, effectively act to filter out harmful microorganisms which generally have an average size of about one micron. In preparing the sterile packages of the present invention, not only is advantage taken of the ability of the porous fibrous body to filter out bacteria while permitting the entrance of sterilizing gases, but advantage is also taken of the randomly arranged and loosely bonded nature of the fibers, particularly the surface fibers 13 on the surface of the rim 16 to form the new and novel seal of the present invention, whereby the cover It is a further object to prepare packages which can be a readily opened without tearing or the forming of jagged edges and from which the contents can be easily removed without contact of the contents with any exterior or contaminatcd portion of the package.

It has been found that these and other objects and advantages are obtained by using a molded pulp container and closing or sealing the container in the manner hereinafter more fully described.

The use of a molded pulp container in preparing a package of this type has many advantages. The container itself is relatively inexpensive to manufacture. It is relatively stiff yet sufiiciently porous to permit sterilization of the contents of the package after they have been scaled therein. Also, the random arrangement and loose bond between the fibers from which the container is member 20 can be readily removed from the container 12 without peeling or tearing.

In sea-ling the container, adhesive 21 is first applied around the edge of the cover 20. The cover 20, with adhesive face down, is then placed on the container so as to cover the same with the adhesive 20 contacting the surface fibers 13 on the container rim 16. The adhesive acts to bond the cover 20 to these surface fibers 13 and thus seal the container closed. In the preferred practice of the invention, the adhesive is of the thermoplastic type. It has been found that the best results are obtained where the coating of thermoplastic adhesive on the cover member is relatively thin and the cover is secured to the rim 16 of the container with substantial pressure as well as heat. Excellent results have been obtained by using pressures of about 40 to pounds per square inch. When the cover 20 is removed, as illustrated in FIG. 1, the surface fibers 13 adhere to the adhesive 21 as shown at 13a, the surface fibers 13 being readily separated from rim 16 because of their relatively loose bond. Due to their random arrangement, there is no tearing or delamination of strips off the container surface as would occur, for example, with cardboard, where the fibers are generally oriented primarily in one direction. As a result, a clean and easy separation of the cover'20 from the container 12 is obtained.

If the adhesive 21 is applied to the rim 16 rather than to the cover 20, it is found that difficulty is encountered in removing the cover which may result in tearing the cover if it is formed of paper. It is also found that some peeling of the rim 16 of the container occurs. This is probably due to the fact that the adhesive bonds the sur face fibers 13 to each other and to the lower layer of fibers in a much stronger bond than normally exists, with the result that the surface fibers 13 do not readily release from the rim 16 when the cover 20 is removed. As a result, either the paper cover 20 is torn or a substantial portion of the other fibers to which the surface fibers 13 are now firmly bonded are also removed, the whole peeling off in strips. Either result is undesirable since this leaves protruding and jagged sections against which the dressings 11 may come into contact. This may possibly be overcome by using as an adhesive a very viscous and non-penetrating material that would only coat the surface fibers and not penetrate the container rim, thus avoiding bonding the surface fibers to those below. However, it is difiicult to apply an adhesive of just the right consistency and in such manner as to avoid bonding the lower fibers where application is made to the container rim.

After the contents 11 have been placed into container 12 and the cover 20 sealed onto rim 16 the completed package 10 is sterilized as, for example, by steam sterilization. The package is then ready for storage or shipment and will maintain the contents 11 in sterile condition until the seal between the cover 20 and container rim 16 is broken or the package otherwise opened to expose its contents.

In preparing the packages of the present invention, care should be taken that the bottom and side walls of the container 14 and 15 are sufficiently thick to filter out harmful organisms that would otherwise affect the sterility of the package contents. In order to be sure that harmful organisms will not pass through the molded pulp container, the container should be such that when sealed in the manner described and subjected to the following dye test no dye will be found to have penetrated into the interior of the container. In this test a container is sealed as described and then placed in a vessel which is evacuated to a gauge pressure of inches of mercury. After remaining in an evacuated vessel for a period of minutes, which is a sufiicient time for the interior of the package to assume the same pressure as the interior of the vessel, air is admitted into the vessel at atmospheric pressure. At the point of air entry is placed a small amount of a water soluble dye, such as D and C Black No. 1, of such fineness that about 30% of the particles have a maximum size of one micron or less. The air rushing into the chamber disperses the dye forming essentially an aerosol. After sufficient time has been allowed to again permit the pressure inside the package to reach equilibrium with that outside, the package is removed and the interior of the package is sprayed with water. If there has been any penetration of the dye, the water immediately turns a deep blue. If the water remains clear, then the effective pore size or filtering properties of the container are sufficient to permit use of the container for the sterile packages of the present invention. Since the dye test has been compared with actual contamination tests made with bacteria and has been found in many cases to be more severe than the generally used bacteria test for testing the effective sealing of sterile packages, the test may be used for determining effective pore size.

In describing the package of the present invention, a particular embodiment has been given for purposes of illustration; also the package has been described with the preferred method of sealing. The invention, however, is

not limited to the specific embodiment used to describe the same, but is only to be limited in accordance with the claims.

Having thus described my invention, I claim:

1. A package, the contents of which are sterile, com prising a substantially rigid molded fiber pulp container, the fibers from which said container is formed being randomly dispersed, an opening in said container, a substantially horizontally extending rim around said opening, the randomly dispersed fibers on the surface of said rim being bonded to adjacent fibers with a bond sufficiently low to permit removal of said surface fibers without delamination and peeling, a cover member for said container bonded to said surface fibers to seal the interior of said container from contamination, the bond between said surface fibers and cover member being substantially greater than the bond between said surface fibers and adjacent fibers on said container rim.

2. A package of claim 1 in which the cover member is flexible.

3. A package of claim 2 in which a portion of the cover member extends beyond the rim of said container.

4. A package of claim 3 in which the corners of the rim of said container are rounded and the corners of said cover are square, the square corners of said cover extending beyond the rounded corners of said rim to provide opening tabs.

5. The method of sealing a flexible cover sheet to the rim of a molded fiber pulp container formed of nonoriented bonded fibers, in which the fiber-to-fiber bond is sufiiciently low to permit removal of surface fibers without delamination and peeling, comprising lightly coating the surface of said cover sheet adapted to be bonded to said rim with an adhesive capable of forming a bond stronger than the bond between said non-oriented fibers and then pressing said adhesive-coated surface of said cover sheet against the non-oriented, loosely bonded fibers on the surface of said rim while said adhesive is tacky to bond said cover sheet to the upper surface of the fibers on said rim while avoiding substantial penetration of said adhesive down into said rim between said fibers.

6. The method of sealing a flexible cover sheet to the rim of a molded fiber pulp container formed of nonoriented bonded fibers, in which the fiber-to-fiber bond is sufliciently low to permit removal of surface fibers without delamination and peeling, comprising lightly coating the surface of said cover sheet adapted to be bonded to said rim with a thermally activated adhesive capable of forming a bond stronger than the bond between said nonoriented fibers and then pressing said adhesive-coated surface of said cover sheet against the non-oriented, loosely bonded fibers on the surface of said rim while heating said adhesive to activate the same to cause said thermally activated adhesive to bond said cover sheet to the upper surface of the fibers on said rim while avoiding substantial penetration of said adhesive down into said rim between said fibers.

References Cited in the file of this patent UNITED STATES PATENTS 829,923 Lee Aug. 28, 1906 1,554,077 Fay Sept. 15, 1925 2,402,981 Beal et a1. July 2, 1946 2,433,056 Masci Dec. 23, 1947 2,634,856 Perkins Apr. 14, 1953 2,736,656 Marshall Feb. 28, 1956 2,814,428 Magill Nov. 26, 1957 2,897,962 Zackheim Aug. 4, 1959

US2990948A 1958-04-04 1958-04-04 Sterile package Expired - Lifetime US2990948A (en)

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Cited By (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3061087A (en) * 1959-05-08 1962-10-30 Johnson & Johnson Sterile sponge package
US3074540A (en) * 1959-07-31 1963-01-22 American Hospital Supply Corp Package for sterile articles
US3083821A (en) * 1961-05-15 1963-04-02 Kenneth W Woodson Package sealing
US3135455A (en) * 1962-04-16 1964-06-02 Johnson & Johnson Composite sterilizable container
US3137387A (en) * 1961-07-20 1964-06-16 Alfred P H Overment Disposable sterile field surgical kit
US3138253A (en) * 1960-12-27 1964-06-23 Pharmaseal Lab Packaged medical trays
US3150793A (en) * 1961-01-23 1964-09-29 Conch Int Methane Ltd Membrane-type insulated tanks
US3158491A (en) * 1963-02-26 1964-11-24 American Can Co Food container
US3166234A (en) * 1961-04-10 1965-01-19 Lily Tulip Cup Corp Plastic container with plait formed pull tab
US3168887A (en) * 1963-06-14 1965-02-09 Bruce R Bodell Shipping and storage container for aquatic life
US3192091A (en) * 1959-08-13 1965-06-29 Lever Brothers Ltd Method of sealing a container
US3214074A (en) * 1963-09-03 1965-10-26 Phillips Petroleum Co Container provided with cover seal and removable inner lid
US3302856A (en) * 1965-04-05 1967-02-07 Phillips Petroleum Co Containers
US3313405A (en) * 1964-11-05 1967-04-11 Johnson & Johnson Package
US3419136A (en) * 1967-08-29 1968-12-31 Pratt Mfg Corp Package for flat articles such as surgical sponges
US3435948A (en) * 1966-08-08 1969-04-01 Ethicon Inc Gas sterilizable package
US3438483A (en) * 1967-03-27 1969-04-15 Scientific Atlanta Reclosable package
US3478868A (en) * 1967-09-01 1969-11-18 Interstate Folding Box Co Sterilizable containers
US3498448A (en) * 1968-07-03 1970-03-03 Johnson & Johnson Surgical package
US3505031A (en) * 1966-10-26 1970-04-07 Moore Perk Corp Weighing and pouring vessel
US3507667A (en) * 1967-12-29 1970-04-21 Rhone Poulenc Sa Container for the preservation of fruit and vegetables
US3567067A (en) * 1969-01-17 1971-03-02 Pantasote Co Of New York Inc T Disposable serving tray
US3620439A (en) * 1969-06-13 1971-11-16 Fibreboard Corp Severable carton with sterile edge
US3726395A (en) * 1971-12-22 1973-04-10 Pfizer Container of treated disposable towels
US4026457A (en) * 1976-06-30 1977-05-31 Standard Oil Company (Indiana) Tray with raised dividers
US4351473A (en) * 1980-11-17 1982-09-28 Federal Paper Board Co., Inc. Tray container with tear out cover
US4456164A (en) * 1982-05-18 1984-06-26 Keyes Fibre Company Deliddable ovenable container
US4553669A (en) * 1983-09-15 1985-11-19 American Hospital Supply Corporation Sterilization container formed of nonwoven material
US4570820A (en) * 1983-01-18 1986-02-18 Creative Products Resource Associates, Ltd. Resealable dispensing container for folded towels
US4858821A (en) * 1988-11-14 1989-08-22 Baxter International Inc. Package and lid with controlled tearing means
US4907536A (en) * 1987-03-03 1990-03-13 Chrisler Tanner S Isolating container for live animals
US4955530A (en) * 1990-03-28 1990-09-11 Westvaco Corporation Easy opening lid for ovenable carton
US5040677A (en) * 1990-06-04 1991-08-20 Biosurface Technology, Inc. Container for storage and distribution of a skin wound dressing
US5590778A (en) * 1995-06-06 1997-01-07 Baxter International Inc. Double-sterile package for medical apparatus and method of making
US5868307A (en) * 1997-08-11 1999-02-09 Westvaco Corporation Carton opening feature
EP0881162B1 (en) * 1997-04-22 1999-02-24 Omni-Pac Ekco GmbH Verpackungsmittel Method for closing a tray composed of natural fibres and/or starch with a sealable foil, tray closed in such a way and package unit formed therewith
US6149006A (en) * 1997-08-19 2000-11-21 General Mills, Inc. Refrigerated food product container
US6273610B1 (en) * 1999-05-24 2001-08-14 Uni-Charm Corporation Package formed of soft sheet
US6639185B1 (en) 2002-05-01 2003-10-28 Prince Lionheart, Inc. Baby wipes warmer for maintaining moisture and coloration of baby wipes contained therein
FR2841772A1 (en) * 2002-07-05 2004-01-09 Alexandre Fata Package for single use sterile medical substances has capsules heat sealed to driable sheet
US6903307B1 (en) 2004-10-04 2005-06-07 Prince Lionheart, Inc. Hygienic wipes steamer
US20100158752A1 (en) * 2008-12-24 2010-06-24 Steven Scott Friderich Collapsible sterilization container
US20100158751A1 (en) * 2008-12-24 2010-06-24 Steven Scott Friderich Single use sterilization container
US20100158753A1 (en) * 2008-12-24 2010-06-24 Steven Scott Friderich Sterilization container with peel top
US8623289B2 (en) 2008-12-24 2014-01-07 Kimberly-Clark Worldwide Inc. Single use sterilization container
US20150114853A1 (en) * 2012-06-27 2015-04-30 Nipro Sterile Glass Germany AG Device for at least one of storing and transporting a plurality of packaging containers

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US829923A (en) * 1905-11-28 1906-08-28 Johnson & Johnson Package for surgical dressings.
US1554077A (en) * 1924-12-17 1925-09-15 William L Fay Shipping container and cooking utensil
US2402981A (en) * 1944-02-09 1946-07-02 Chesebrough Mfg Company Bandage package
US2433056A (en) * 1946-04-01 1947-12-23 Johnson & Johnson Method of producing sterile packages
US2634856A (en) * 1952-03-14 1953-04-14 American Sterilizer Co Sterile pack for individual disassembled syringes
US2736656A (en) * 1952-02-11 1956-02-28 Kraft Foods Co Method of packaging
US2814428A (en) * 1955-06-27 1957-11-26 American Can Co Container with improved pull tab side seam
US2897962A (en) * 1956-03-16 1959-08-04 Johnson & Johnson Sterile packaging

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US829923A (en) * 1905-11-28 1906-08-28 Johnson & Johnson Package for surgical dressings.
US1554077A (en) * 1924-12-17 1925-09-15 William L Fay Shipping container and cooking utensil
US2402981A (en) * 1944-02-09 1946-07-02 Chesebrough Mfg Company Bandage package
US2433056A (en) * 1946-04-01 1947-12-23 Johnson & Johnson Method of producing sterile packages
US2736656A (en) * 1952-02-11 1956-02-28 Kraft Foods Co Method of packaging
US2634856A (en) * 1952-03-14 1953-04-14 American Sterilizer Co Sterile pack for individual disassembled syringes
US2814428A (en) * 1955-06-27 1957-11-26 American Can Co Container with improved pull tab side seam
US2897962A (en) * 1956-03-16 1959-08-04 Johnson & Johnson Sterile packaging

Cited By (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3061087A (en) * 1959-05-08 1962-10-30 Johnson & Johnson Sterile sponge package
US3074540A (en) * 1959-07-31 1963-01-22 American Hospital Supply Corp Package for sterile articles
US3192091A (en) * 1959-08-13 1965-06-29 Lever Brothers Ltd Method of sealing a container
US3138253A (en) * 1960-12-27 1964-06-23 Pharmaseal Lab Packaged medical trays
US3150793A (en) * 1961-01-23 1964-09-29 Conch Int Methane Ltd Membrane-type insulated tanks
US3166234A (en) * 1961-04-10 1965-01-19 Lily Tulip Cup Corp Plastic container with plait formed pull tab
US3083821A (en) * 1961-05-15 1963-04-02 Kenneth W Woodson Package sealing
US3137387A (en) * 1961-07-20 1964-06-16 Alfred P H Overment Disposable sterile field surgical kit
US3135455A (en) * 1962-04-16 1964-06-02 Johnson & Johnson Composite sterilizable container
US3158491A (en) * 1963-02-26 1964-11-24 American Can Co Food container
US3168887A (en) * 1963-06-14 1965-02-09 Bruce R Bodell Shipping and storage container for aquatic life
US3214074A (en) * 1963-09-03 1965-10-26 Phillips Petroleum Co Container provided with cover seal and removable inner lid
US3313405A (en) * 1964-11-05 1967-04-11 Johnson & Johnson Package
US3302856A (en) * 1965-04-05 1967-02-07 Phillips Petroleum Co Containers
US3435948A (en) * 1966-08-08 1969-04-01 Ethicon Inc Gas sterilizable package
US3505031A (en) * 1966-10-26 1970-04-07 Moore Perk Corp Weighing and pouring vessel
US3438483A (en) * 1967-03-27 1969-04-15 Scientific Atlanta Reclosable package
US3419136A (en) * 1967-08-29 1968-12-31 Pratt Mfg Corp Package for flat articles such as surgical sponges
US3478868A (en) * 1967-09-01 1969-11-18 Interstate Folding Box Co Sterilizable containers
US3507667A (en) * 1967-12-29 1970-04-21 Rhone Poulenc Sa Container for the preservation of fruit and vegetables
US3498448A (en) * 1968-07-03 1970-03-03 Johnson & Johnson Surgical package
US3567067A (en) * 1969-01-17 1971-03-02 Pantasote Co Of New York Inc T Disposable serving tray
US3620439A (en) * 1969-06-13 1971-11-16 Fibreboard Corp Severable carton with sterile edge
US3726395A (en) * 1971-12-22 1973-04-10 Pfizer Container of treated disposable towels
US4026457A (en) * 1976-06-30 1977-05-31 Standard Oil Company (Indiana) Tray with raised dividers
US4351473A (en) * 1980-11-17 1982-09-28 Federal Paper Board Co., Inc. Tray container with tear out cover
US4456164A (en) * 1982-05-18 1984-06-26 Keyes Fibre Company Deliddable ovenable container
US4570820A (en) * 1983-01-18 1986-02-18 Creative Products Resource Associates, Ltd. Resealable dispensing container for folded towels
US4553669A (en) * 1983-09-15 1985-11-19 American Hospital Supply Corporation Sterilization container formed of nonwoven material
US4907536A (en) * 1987-03-03 1990-03-13 Chrisler Tanner S Isolating container for live animals
US4858821A (en) * 1988-11-14 1989-08-22 Baxter International Inc. Package and lid with controlled tearing means
US4955530A (en) * 1990-03-28 1990-09-11 Westvaco Corporation Easy opening lid for ovenable carton
US5040677A (en) * 1990-06-04 1991-08-20 Biosurface Technology, Inc. Container for storage and distribution of a skin wound dressing
US5590778A (en) * 1995-06-06 1997-01-07 Baxter International Inc. Double-sterile package for medical apparatus and method of making
EP0881162B1 (en) * 1997-04-22 1999-02-24 Omni-Pac Ekco GmbH Verpackungsmittel Method for closing a tray composed of natural fibres and/or starch with a sealable foil, tray closed in such a way and package unit formed therewith
US5868307A (en) * 1997-08-11 1999-02-09 Westvaco Corporation Carton opening feature
US6149006A (en) * 1997-08-19 2000-11-21 General Mills, Inc. Refrigerated food product container
US6273610B1 (en) * 1999-05-24 2001-08-14 Uni-Charm Corporation Package formed of soft sheet
US6847011B2 (en) 2002-05-01 2005-01-25 Prince Lionheart, Inc. Baby wipes warmer for maintaining moisture and coloration of baby wipes contained therein
US6639185B1 (en) 2002-05-01 2003-10-28 Prince Lionheart, Inc. Baby wipes warmer for maintaining moisture and coloration of baby wipes contained therein
US20040084438A1 (en) * 2002-05-01 2004-05-06 Mcconnell Thomas E. Baby wipes warmer for maintaining moisture and coloration of baby wipes contained therein
USRE40408E1 (en) * 2002-05-01 2008-07-01 Prince Lionheart, Inc. Baby wipes warmer for maintaining moisture and coloration of baby wipes contained therein
FR2841772A1 (en) * 2002-07-05 2004-01-09 Alexandre Fata Package for single use sterile medical substances has capsules heat sealed to driable sheet
US6903307B1 (en) 2004-10-04 2005-06-07 Prince Lionheart, Inc. Hygienic wipes steamer
US20060070990A1 (en) * 2004-10-04 2006-04-06 Prince Lionheart, Inc. Hygienic wipes steamer
US20100158753A1 (en) * 2008-12-24 2010-06-24 Steven Scott Friderich Sterilization container with peel top
US20100158751A1 (en) * 2008-12-24 2010-06-24 Steven Scott Friderich Single use sterilization container
US20100158752A1 (en) * 2008-12-24 2010-06-24 Steven Scott Friderich Collapsible sterilization container
US7942264B2 (en) 2008-12-24 2011-05-17 Kimberly-Clark Worldwide, Inc. Sterilization container with peel top
US8241587B2 (en) 2008-12-24 2012-08-14 Kimberly-Clark Worldwide, Inc. Collapsible sterilization container
US8518341B2 (en) 2008-12-24 2013-08-27 Kimberly-Clark Worldwide, Inc. Collapsible sterilization container
US8623289B2 (en) 2008-12-24 2014-01-07 Kimberly-Clark Worldwide Inc. Single use sterilization container
US20150114853A1 (en) * 2012-06-27 2015-04-30 Nipro Sterile Glass Germany AG Device for at least one of storing and transporting a plurality of packaging containers
US9725222B2 (en) * 2012-06-27 2017-08-08 Nipro Sterile Glass Germany AG Device for at least one of storing and transporting a plurality of packaging containers

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