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US3139131A - Container seal structure - Google Patents

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US3139131A
US3139131A US199850A US19985062A US3139131A US 3139131 A US3139131 A US 3139131A US 199850 A US199850 A US 199850A US 19985062 A US19985062 A US 19985062A US 3139131 A US3139131 A US 3139131A
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Prior art keywords
bead
web
container
extending
wall
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US199850A
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Herman R Hutchinson
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    • 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
    • B65D15/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials
    • B65D15/02—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums
    • B65D15/16—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums with curved, or partially curved, walls made of plastics material
    • B65D15/18—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums with curved, or partially curved, walls made of plastics material with end walls made of metal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49863—Assembling or joining with prestressing of part
    • Y10T29/4987—Elastic joining of parts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49863—Assembling or joining with prestressing of part
    • Y10T29/49876—Assembling or joining with prestressing of part by snap fit

Definitions

  • This invention relates to a container seal structure and more particularly concerns a sealing structure for a pliable plastic container having a metallic cover.
  • An object of this invention is to provide a superior sealing structure for a pliable or plastic container for solids or liquids such as food or the like, which effectively seals the contents from the surrounding atmosphere but yet is simple to open with a conventional hook opener.
  • Sealed containers in accordance with this invention can be opened readily by hand, once the opening process has been started with the assistance of a hook opener.
  • such containers are readily adaptable to wide varieties of contents and can be modified readily to provide different degrees of ease of opening.
  • FIG. 1 is an enlarged sectional view showing one form of the invention, together with fragmentary representations of dies which may be utilized to form the closure.
  • FIG. 2 represents a view in perspective showing the complete container in accordance with this invention.
  • FIG. 3 represents a sectional View taken as indicated by the lines and arrows III-III which appear in FIG. 2.
  • FIG. 4 represents a View similar to FIG. 2, showing the container partially open, using a hook opener.
  • FIG. 5 represents a sectional View taken as indicated by the lines and arrows V-V which appear in FIG. 4, and
  • FIGS. 6 and 7 represent sectional views similar to FIG. 5 showing modied forms of the container seal.
  • the number 11 designates the wall of the container which has a conventional bottom 12 (FIG. l). Extending upwardly and angularly outwardly from the top of the wall 11 is a web 13, preferably considerably thinner than the wall 11. At the outer periphery of the web 13 is an enlarged bead 14 which is curved and which preferably has a thickness of at least twice the thickness of the web 13. The web 13 and bead 14 extend entirely around the upper periphery of the container.
  • the number 15 designates the cover, preferably of steel or aluminum. Cover 15 contacts the inner surface of wall 11 as indicated at 16, and then curves upwardly and outwardly at the portion 17, bridging over web 13 and contacting the top of bead 14.
  • the cover 1S then has a downwardly curved portion 2) which is spaced outwardly away from the outer periphery of bead 14, forming intervening free space S therebetween, and then curves downwardly and inwardly at the portion 21, being compressed against the bottom of bead 14 at the location 22.
  • the lid has a locking lip extension 23 which extends beyond the point of compression against the bead 14, and extends freely in a substantially flat condition inwardly toward the wall 11.
  • FIG. 4 shows the effect of placing a hook opener under the lip 23 of FIG. 3, deforming the metal cover and permitting the opening of the container.
  • hand pressure sufces to separate the cover from the container, after it has been deformed by the hook opener H.
  • FIG. 5 shows, in dot-dash lines, the deformation of the web 13 pursuant to the operation of the hook opener H.
  • hook opener H As the hook opener H is lifted, locking lip 23 is raised, causing a curling inwardly and upwardly of the web 13 as indicated by the dot-dash lines A appearing in FIG. 5, at which point the bead 14 is no longer between the upper portion of the cover and the lower portion 22.
  • the web 13 is inclined upwardly and outwardly. It is important to observe that it may be horizontal in some cases but must be at least at an angle of 30 away from the vertical.
  • the enlarged bead at the periphery of the web is of compressible material such of polyethylene plastic or the like and must be at least twice as thick as the web.
  • the entire container is plastic, notably polyethylene.
  • the length of the locking lip controls the difficulty of opening the container; the longer the lip the more difficult to open.
  • the thickness of web 13 varies in accordance with its length and is preferably about to 1/s of its length as measured from wall to bead. The thicker the web in relation to its length (the stiffer the web) the more difficult it is to open the container.
  • the space S makes it possible to vary the length of the locking lip.
  • the cover is preferably metal, either tin. plate steel or aluminum. It is deformable and preferably springy for purposes of reclosure. In any event it is important to observe that compression exists when the container is sealed, compressing bead 14.
  • FIGS. 6 and 7 show modified forms of the invention, wherein the locking lip 23 is either horizontal (FIG. 6) or angled upwardly and inwardly (FIG. 7). Such constructions render it more diflicult to open the container, which is a desirable feature in some cases.
  • a sealing structure comprising means forming a pliable web extending outwardly of said wall and extending around said opening, means forming an enlarged pliable compressible bead of plastic material extending around the outer edge of said web, said bead being thicker than said web, the entire bead being spaced outwardly of said container wall and means forming a deformable metal cover contacting said bead, said cover having a curved portion extending down around and under said bead and sealingly compressed against said bead, said curved portion having a lip which extends freely beyond said bead and extends substantially continuously around said container.
  • a sealing structure comprising means forming a pliable web extending angularly upwardly and outwardly of said wall at an angle of at least about 30 to the vertical and disposed entirely around said opening, means forming an enlarged rounded compressible plastic bead extending around the outer edge of said web and spaced outwardly of said enclosing wall, said bead being at least twice as thick as said web, and means forming a deformable rnetal cover contacting the top of said bead, said cover extending outwardly down around and inwardly under said bead and sealingly compressed. against said bead and having a substantially lat locking lip which extends freely beyond said bead and extends substantially continuously around said container.
  • a sealing structure comprising means forming a pliable web extending outwardly of said wall and extending around said opening, means forming an enlarged pliable compressible bead of plastic material extending around the outer edge of said web and spaced outwardly of said enclosing wall, said bead being at least twice as thick as said web, and means forming a deformable metal cover contacting said bead, said cover having a curved portion extending down around said bead and spaced outwardly of the outer periphery of said bead providing intervening free space, said curved portion then extending downwardly inwardly contacting and sealingly compressed against and extending continuously around the periphery of said bead to form a seal which is spaced away from the top of said wall.
  • a sealing structure comprising means forming a pliable web extending outwardly of said wall and extending continuously around said opening, means forming an enlarged pliable compressible bead of plastic material extending continuously around the outer edge of said web and spaced outwardly of said enclosing wall, said bead being at least twice as thick as said web, and means forming a deformable metal cover contacting the inside surface of said wall, bridging over said web and contacting the top of said bead continuously around its periphery,
  • said cover extending down around and under said bead and sealingly compressed against said bead along a line extending continuously around its periphery and spaced away from the top of said wall, and said cover terminating in a lip portion which extends freely beyond said bead and continuously around said container.
  • a sealing structure comprising means forming a pliable web which is thinner than said wall extending upwardly angularly outwardly of said wall and extending continuously around said opening, the thickness of said web being from about 1A to Ms of its length, means forming an enlarged pliable compressible bead of plastic material extending continuously around the outer edge of said web and spaced outwardly of said enclosing wall, said bead being at least twice as thick as said web, and means forming a deformable metal cover contacting said bead continuously, said cover extending down around and under said bead and sealingly compressed against said bead continuously around its entire periphery to form a seal which is spaced outwardly of the top of said wall, and said cover having a lip portion which extends angularly downwardly beyond said bead and continuously around said container.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Description

June 30, 1954 H. R. HUTCHINSQN 3,139,131
CONTAINER SEAL STRUCTURE Filed June 4, 1962 FIG'- B- FIG- 4 I INTOR X// 11 Gils @All ATTORNEYS.
United States Patent O 3,139,131 CONTAINER SEAL STRUCTURE Herman R. Hutchinson, 406 Waverley Road, Wy'ncote, Pa. Filed June 4, 1962, Ser. No. 199,850 Claims. (Cl. 15G-.5)
This invention relates to a container seal structure and more particularly concerns a sealing structure for a pliable plastic container having a metallic cover.
An object of this invention is to provide a superior sealing structure for a pliable or plastic container for solids or liquids such as food or the like, which effectively seals the contents from the surrounding atmosphere but yet is simple to open with a conventional hook opener. Sealed containers in accordance with this invention can be opened readily by hand, once the opening process has been started with the assistance of a hook opener. Moreover, such containers are readily adaptable to wide varieties of contents and can be modified readily to provide different degrees of ease of opening.
Other objects and advantages of this invention including the simplicity and economy of the same will further become apparent hereinafter and in the drawings whereof:
FIG. 1 is an enlarged sectional view showing one form of the invention, together with fragmentary representations of dies which may be utilized to form the closure.
FIG. 2 represents a view in perspective showing the complete container in accordance with this invention.
FIG. 3 represents a sectional View taken as indicated by the lines and arrows III-III which appear in FIG. 2.
FIG. 4 represents a View similar to FIG. 2, showing the container partially open, using a hook opener.
FIG. 5 represents a sectional View taken as indicated by the lines and arrows V-V which appear in FIG. 4, and
FIGS. 6 and 7 represent sectional views similar to FIG. 5 showing modied forms of the container seal.
Turning now to the specific form of the invention illustrated in the drawings, the number 11 designates the wall of the container which has a conventional bottom 12 (FIG. l). Extending upwardly and angularly outwardly from the top of the wall 11 is a web 13, preferably considerably thinner than the wall 11. At the outer periphery of the web 13 is an enlarged bead 14 which is curved and which preferably has a thickness of at least twice the thickness of the web 13. The web 13 and bead 14 extend entirely around the upper periphery of the container. The number 15 designates the cover, preferably of steel or aluminum. Cover 15 contacts the inner surface of wall 11 as indicated at 16, and then curves upwardly and outwardly at the portion 17, bridging over web 13 and contacting the top of bead 14. The cover 1S then has a downwardly curved portion 2) which is spaced outwardly away from the outer periphery of bead 14, forming intervening free space S therebetween, and then curves downwardly and inwardly at the portion 21, being compressed against the bottom of bead 14 at the location 22. The lid has a locking lip extension 23 which extends beyond the point of compression against the bead 14, and extends freely in a substantially flat condition inwardly toward the wall 11.
As will be seen from FIG. l the dies D1 and D2 are moved toward one another to compress the upper portion of the cover and the lower portion 22 against the bead 14.
FIG. 4 shows the effect of placing a hook opener under the lip 23 of FIG. 3, deforming the metal cover and permitting the opening of the container. In view of the thinness and plasticity of the web 13, hand pressure sufces to separate the cover from the container, after it has been deformed by the hook opener H.
FIG. 5 shows, in dot-dash lines, the deformation of the web 13 pursuant to the operation of the hook opener H. As the hook opener H is lifted, locking lip 23 is raised, causing a curling inwardly and upwardly of the web 13 as indicated by the dot-dash lines A appearing in FIG. 5, at which point the bead 14 is no longer between the upper portion of the cover and the lower portion 22.
As shown in FIGS. 1-5 inclusive, the web 13 is inclined upwardly and outwardly. It is important to observe that it may be horizontal in some cases but must be at least at an angle of 30 away from the vertical. The enlarged bead at the periphery of the web is of compressible material such of polyethylene plastic or the like and must be at least twice as thick as the web. Preferably, the entire container is plastic, notably polyethylene.
The length of the locking lip controls the difficulty of opening the container; the longer the lip the more difficult to open. The thickness of web 13 varies in accordance with its length and is preferably about to 1/s of its length as measured from wall to bead. The thicker the web in relation to its length (the stiffer the web) the more difficult it is to open the container. The space S makes it possible to vary the length of the locking lip.
The cover is preferably metal, either tin. plate steel or aluminum. It is deformable and preferably springy for purposes of reclosure. In any event it is important to observe that compression exists when the container is sealed, compressing bead 14.
FIGS. 6 and 7 show modified forms of the invention, wherein the locking lip 23 is either horizontal (FIG. 6) or angled upwardly and inwardly (FIG. 7). Such constructions render it more diflicult to open the container, which is a desirable feature in some cases.
While this invention has been described with reference to specific embodiments thereof, it will be apparent to those skilled in the art that various changes other than those referred to above may be made in the form of the device, that equivalent elements may be substituted for those illustrated in the drawings, that parts may be reversed, and that certain features of the invention may be used to advantage independently of the use of other features, all within the spirit and scope of the invention as defined in the appended claims.
Having thus described my invention, I claim:
1. In a container having a bottom and a pliable enclosing wall extending upwardly from said bottom forming an opening, a sealing structure comprising means forming a pliable web extending outwardly of said wall and extending around said opening, means forming an enlarged pliable compressible bead of plastic material extending around the outer edge of said web, said bead being thicker than said web, the entire bead being spaced outwardly of said container wall and means forming a deformable metal cover contacting said bead, said cover having a curved portion extending down around and under said bead and sealingly compressed against said bead, said curved portion having a lip which extends freely beyond said bead and extends substantially continuously around said container.
2. In a container having a bottom and a generally cylindrical plastic enclosing wall extending substantially vertically from said bottom forming a generally circular opening, a sealing structure comprising means forming a pliable web extending angularly upwardly and outwardly of said wall at an angle of at least about 30 to the vertical and disposed entirely around said opening, means forming an enlarged rounded compressible plastic bead extending around the outer edge of said web and spaced outwardly of said enclosing wall, said bead being at least twice as thick as said web, and means forming a deformable rnetal cover contacting the top of said bead, said cover extending outwardly down around and inwardly under said bead and sealingly compressed. against said bead and having a substantially lat locking lip which extends freely beyond said bead and extends substantially continuously around said container.
3. In a container having a bottom and a pliable enclosing wall extending upwardly from said bottom forming an opening, a sealing structure comprising means forming a pliable web extending outwardly of said wall and extending around said opening, means forming an enlarged pliable compressible bead of plastic material extending around the outer edge of said web and spaced outwardly of said enclosing wall, said bead being at least twice as thick as said web, and means forming a deformable metal cover contacting said bead, said cover having a curved portion extending down around said bead and spaced outwardly of the outer periphery of said bead providing intervening free space, said curved portion then extending downwardly inwardly contacting and sealingly compressed against and extending continuously around the periphery of said bead to form a seal which is spaced away from the top of said wall.
4. In a container having a bottom and a pliable enclosing wall extending upwardly from said bottom forming an opening, a sealing structure comprising means forming a pliable web extending outwardly of said wall and extending continuously around said opening, means forming an enlarged pliable compressible bead of plastic material extending continuously around the outer edge of said web and spaced outwardly of said enclosing wall, said bead being at least twice as thick as said web, and means forming a deformable metal cover contacting the inside surface of said wall, bridging over said web and contacting the top of said bead continuously around its periphery,
said cover extending down around and under said bead and sealingly compressed against said bead along a line extending continuously around its periphery and spaced away from the top of said wall, and said cover terminating in a lip portion which extends freely beyond said bead and continuously around said container.
5. In a container having a bottom and a pliable enclosing wall extending upwardly from said bottom forming an opening, a sealing structure comprising means forming a pliable web which is thinner than said wall extending upwardly angularly outwardly of said wall and extending continuously around said opening, the thickness of said web being from about 1A to Ms of its length, means forming an enlarged pliable compressible bead of plastic material extending continuously around the outer edge of said web and spaced outwardly of said enclosing wall, said bead being at least twice as thick as said web, and means forming a deformable metal cover contacting said bead continuously, said cover extending down around and under said bead and sealingly compressed against said bead continuously around its entire periphery to form a seal which is spaced outwardly of the top of said wall, and said cover having a lip portion which extends angularly downwardly beyond said bead and continuously around said container.
References Cited in the le of this patent UNITED STATES PATENTS 829,244l Weber Aug. 21, 1906 1,615,054 Thornton Ian, 18, 1927 2,753,088 Prahl July 3, 1956 2,988,258 VWitz/.ke June 13, 1961

Claims (1)

1. IN A CONTAINER HAVING A BOTTOM AND A PLIABLE ENCLOSING WALL EXTENDING UPWARDLY FROM SAID BOTTOM FORMING AN OPENING, A SEALING STRUCTURE COMPRISING MEANS FORMING A PLIABLE WEB EXTENDING OUTWARDLY OF SAID WALL AND EXTENDING AROUND SAID OPENING, MEANS FORMING AN ENLARGED PLIABLE COMPRESSIBLE BEAD OF PLASTIC MATERIAL EXTENDING AROUND THE OUTER EDGE OF SAID WEB, SAID BEAD BEING THICKER THAN SAID WEB, THE ENTIRE BEAD BEING SPACED OUTWARDLY OF SAID CONTAINER WALL AND MEANS FORMING A DEFORMABLE METAL COVER CONTACTING SAID BEAD, SAID COVER HAVING A CURVED PORTION EXTENDING DOWN AROUND AND UNDER SAID BEAD AND SEALINGLY COMPRESSED AGAINST SAID BEAD, SAID
US199850A 1962-06-04 1962-06-04 Container seal structure Expired - Lifetime US3139131A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3307602A (en) * 1964-05-13 1967-03-07 Samuel B Boster Thin walled container and closure therefor
US3341059A (en) * 1966-02-18 1967-09-12 American Can Co Thermoplastic container body
US3465923A (en) * 1966-10-28 1969-09-09 Improved Machinery Inc Sealing assemblies for containers
US4526290A (en) * 1983-10-19 1985-07-02 Ball Corporation Flanged container
US4561562A (en) * 1983-01-13 1985-12-31 Thermo-Serv, Inc. Container and closure assembly
US4561494A (en) * 1983-04-29 1985-12-31 Modine Manufacturing Company Heat exchanger with back to back turbulators and flow directing embossments
US6185807B1 (en) * 1997-01-28 2001-02-13 Seagate Technology Llc Component sealing system
US20020122907A1 (en) * 2000-08-04 2002-09-05 Whitmore Rebecca E. Sealable food container with improved lidding and stacking features
WO2007033394A3 (en) * 2005-09-26 2007-09-27 Hubert Petutschnig Plastic beverage can
US20180245858A1 (en) * 2015-08-20 2018-08-30 Modine Manufacturing Company Heat Exchanger and Manufacturing Method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US829244A (en) * 1905-12-01 1906-08-21 American Can Co Sheet-metal vessel.
US1615054A (en) * 1926-03-13 1927-01-18 Frank C Thornton Metal container
US2753088A (en) * 1956-01-18 1956-07-03 Bradley Container Corp Container
US2988258A (en) * 1957-12-17 1961-06-13 Helen G Witzke Cup

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US829244A (en) * 1905-12-01 1906-08-21 American Can Co Sheet-metal vessel.
US1615054A (en) * 1926-03-13 1927-01-18 Frank C Thornton Metal container
US2753088A (en) * 1956-01-18 1956-07-03 Bradley Container Corp Container
US2988258A (en) * 1957-12-17 1961-06-13 Helen G Witzke Cup

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3307602A (en) * 1964-05-13 1967-03-07 Samuel B Boster Thin walled container and closure therefor
US3341059A (en) * 1966-02-18 1967-09-12 American Can Co Thermoplastic container body
US3465923A (en) * 1966-10-28 1969-09-09 Improved Machinery Inc Sealing assemblies for containers
US4561562A (en) * 1983-01-13 1985-12-31 Thermo-Serv, Inc. Container and closure assembly
US4561494A (en) * 1983-04-29 1985-12-31 Modine Manufacturing Company Heat exchanger with back to back turbulators and flow directing embossments
EP0139268A3 (en) * 1983-10-19 1986-07-16 Ball Corporation Flanged container
US4526290A (en) * 1983-10-19 1985-07-02 Ball Corporation Flanged container
US6185807B1 (en) * 1997-01-28 2001-02-13 Seagate Technology Llc Component sealing system
US6347021B2 (en) 1997-01-28 2002-02-12 Seagate Technology Llc Component sealing system
US20020122907A1 (en) * 2000-08-04 2002-09-05 Whitmore Rebecca E. Sealable food container with improved lidding and stacking features
US7258905B2 (en) 2000-08-04 2007-08-21 Dixie Consumer Products Llc Sealable food container with improved lidding and stacking features
WO2007033394A3 (en) * 2005-09-26 2007-09-27 Hubert Petutschnig Plastic beverage can
US20180245858A1 (en) * 2015-08-20 2018-08-30 Modine Manufacturing Company Heat Exchanger and Manufacturing Method
US10830539B2 (en) * 2015-08-20 2020-11-10 Modine Manufacturing Company Heat exchanger with adapter

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