US1759274A - Receptacle closure - Google Patents

Receptacle closure Download PDF

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Publication number
US1759274A
US1759274A US167223A US16722327A US1759274A US 1759274 A US1759274 A US 1759274A US 167223 A US167223 A US 167223A US 16722327 A US16722327 A US 16722327A US 1759274 A US1759274 A US 1759274A
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United States
Prior art keywords
seal
cap
cover
friction
wall
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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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US167223A
Inventor
Frank J O'brien
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Continental Can Co Inc
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Continental Can Co Inc
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Priority to US167223A priority Critical patent/US1759274A/en
Application granted granted Critical
Publication of US1759274A publication Critical patent/US1759274A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0214—Removable lids or covers without integral tamper element secured only by friction or gravity
    • B65D43/0216—Removable lids or covers without integral tamper element secured only by friction or gravity inside a peripheral U-shaped channel in the mouth of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0214—Removable lids or covers without integral tamper element secured only by friction or gravity
    • B65D43/0218—Removable lids or covers without integral tamper element secured only by friction or gravity on both the inside and the outside of the mouth of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
    • B65D55/06—Deformable or tearable wires, strings, or strips; Use of seals, e.g. destructible locking pins
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/05—Tearable non-integral strips
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00092—Shape of the outer periphery curved circular
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00435—Lids secured to an intermediate ring or like annular member fixed to the container mouth
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00453—Contact between the container and the lid in a peripheral U-shaped channel of the container
    • B65D2543/00462—Contact between the container and the lid in a peripheral U-shaped channel of the container peripheral U-shaped channel of the lid
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00509—Cup
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00555—Contact between the container and the lid on the inside or the outside of the container on both the inside and the outside
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00953—Sealing means
    • B65D2543/00962—Sealing means inserted
    • B65D2543/00972—Collars or rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum

Definitions

  • This invention relates to improvements in closures for receptacles and more particularly to a vacuum sealA can cover.
  • the container is formed with a scored section adapted to be stripped from the can'.
  • Another object is to produce a vacuum can which may be opened without destroying any integral parts.
  • Yet another object is to provide a can adapted to be hermetically sealed with a nonmetallic substance.
  • Still another object is to provide a can top having a replaceable cover which may be hermetically sealed to a container.
  • a further object is to provide a can having a removable cover and a cooperating-plastic seal.
  • the invention comprehends the provision of a vcan having a top of novel design, in which may be embedded a detachable cover and a plastic material cooperating with the top and a cover to insure a perfect her-metical seal.
  • Figure 1 is a vertical section of a can embodying the invention.
  • Fig. 2 is a view similar to Figure 1 showing a -modied form of cover.
  • Fig. 3 is aperspective view of the upper portion of the can. j
  • Fig. 4 is a detail section view of the device shown in Figure 1. l
  • the receptacle comprises a body portion 1, a bottom 2, and a composite top.
  • the material used is sheet metal although it is to be understood that the invention is not necessarily limited to any particular ln'nd of material. l
  • the bottom plate 2 is bent at its circumference to present a U-shaped flange 3 in the interior channel of which is received the terminal ribs 4 ofthe can body. These members are crimped to give a' double seam structure, which insures a tight joint between the separate parts in addition to strengthening the rece tacle.
  • the closure includes a cover member 5 and a cap 16.
  • the metal of the top is bent as at 8 and 9 to lprovide a ledge which seats on the base of the channel flange formed by the u per edge 10 of the can body.
  • t e top is formed with a substantially vertical wall 11 which abuts the rim of the body of the can.
  • the nested metal sections 7 and 10 are crimped by any suitablemeans to provide a top and body. It is to be understood that the description of the seal is to exemplify but one method of forming the can. The same result may be accomplished by solderconvenient and effective rim seal between the v ing or otherwise joining the several parts,
  • top may be made with any'desired conguration which will embody vthe underlying principles of the invention.
  • j As shown in Figurel 4 the metal at this portion is bent so as to form an intermediate groove 14, the function of which will be described hereinafter. At its interior portion the material of the cover is bent downwardly to present a substantially vertical friction wall 15.
  • a removable cap member 16 This member has a countersunk central portion embraced within the bottom portion 17 and the integral vertical annular wall 18. At its upper end the wall 18 is curved to conform generally to the curvature of the adjacent section of the can top. At its peripheral edge the cap is provided with a bead 19, which may be formed by lapping the edge of the metal cover. When the cap is inserted in the top, the wall 18 is forced into firm frictional contact with the frictionseat 15. Due to the elongation of the seat 15 a considerable friction engagement area is provided thereby insuring a more effective friction seal. Itis to be observed that the bottom 17 vand the lower portion of the annular AWall 18 project beyond the lower edge of the friction seat 15.
  • a plastic material I prefer lto use a be understood that any other suitable plastic may be employed.
  • a plastic which is normally solid it may be heated to a suitable temperature to obtain the desired plasticity and thus insure a ready flow.
  • the sealing medium is then deposited in the groove 14. The composition fills the groove and the space between the bead 19 and wall 13. On cooling or drying the sealing material solidies thereby'forming an air tight sealing gasket for the container.
  • the seal 20 When itis desired to open the can, the seal 20 is broken at any point and the entire member stripped from the can. My reason of the resiliency of the special sealing medium land its tapered seal tip, (shown particularly in Figure 3.) the band may be easily removed as one strip. This I conceive to be a distinct advantage inasmuch as it provides a means by which the seal may be removed with a minimum of effort andpwithout 4any danger of injury to the operator. After the vacuum seal has been removed the cover and top thereafter cooperate to provide a friction sealed can.
  • FIG. 1 In Figure 2 I have shown a modication of the invention. This in its general features is similar to the device previously described. It comprises a container having side walls 1 anda bottom 2, which are crimped or otherwise fastened together through the intermediacy of flanges 4 and lip 3. In like manner a top ⁇ 5 and the side are crimped to provide a double seal joint.
  • the can top includes inclined wall sections 12 and 13 and an interposed groove 14', thereby providing a corrugated and strengthend top.
  • the top is formed with ta channeled flange at its interior edge.
  • the vertical sides 21 and 22 of l,the channel grooves form two spaced friction walls.
  • the interior peripheral edge of the to'p is formed With a bead 23 to increase vthe rigidity of the structure and form a seat for the cap.
  • the central body portion 24 of the cap member is bent near the edge to present a depending channel section.
  • This channel section includes vertical walls 25 and 26.
  • the wall 26 is turned at its upper end to form a beaded ledge 27 It will be apparent that when the cap is forced into the top the vertical Walls 25 and 26 will frictionally engage the contiguous walls21 and 22 of the top, and will be maintained inclose contact by reason of the inherent resiliency of the cap. It will be obvious that this structure provides a seal of a very effective character, there being two separate friction surfaces on both the cap and top.
  • the sealing material may be gently heated to insure-a ready flow and the material then poured into the groove 14. As the fluid rises it will fill in tne gap ⁇ existin between the wall 13 and the bead 27 n solidifying, the composition forms a tough elastic seal, which adheres firmly to adjacent metal surfaces. This seal is not disrupted or displaced by any jarring ofthe can and thus has a decided advantage over frangible seals of the wax type. When it is desired to remove the seal it may be cut and stripped from the can as one piece in the manner described.
  • a removable cap having a depressed portion forming a friction plug. adapted to engage the friction seat on said top for mechanically securing said cap to said top, said cap having the peripheral portion thereo ⁇ extending over said top and a portion of said trough, 'and .a
  • hermetic sealing material disposed in said trough and engaging the under side of said peripheral projecting portion of the cover for forming a seal between the cover and the top.

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

Description

May 20, 1930.
' F. J. OBRlEN A REICEPTAQIJE; CLOSURE Filed Feb. 10, 1927 Patented May 2o, 1930 l UNITED 'siATEs PATENT OFFICE FRANK J. OBRIEN, OF BALTIMORE, MARYLAND, ASSIGNOR, BY MESNE ASSIGNMENTS,
T0 CONTINENTAL COMPANY, INC.,
NEW YORK OF NEW YORK, N. Y., A CORPORATION OF v BECEPTACLE CLOSURE Application mea February 1 0, 1927. serial No. 167,223.
This invention relates to improvements in closures for receptacles and more particularly to a vacuum sealA can cover.
Heretofore receptacles which have been sold as vacuum packages have presented certain disadvantages. In one type the body of.
the container is formed with a scored section adapted to be stripped from the can'. In
4many cases the strip did not tear out uniformly and as a result left a jagged edge. In
other instances the strip did not tear out corn- It is an object of this invention to provide a novel combined hermetic and friction seal for a receptacle. Y
Another object is to produce a vacuum can which may be opened without destroying any integral parts.
Yet another object is to provide a can adapted to be hermetically sealed with a nonmetallic substance.
Still another object is to provide a can top having a replaceable cover which may be hermetically sealed to a container.
A further object is to provide a can having a removable cover and a cooperating-plastic seal.
With these and other equally important objects in view, the invention comprehends the provision of a vcan having a top of novel design, in which may be embedded a detachable cover and a plastic material cooperating with the top and a cover to insure a perfect her-metical seal.
To enable others to more readily understand the invention, I have shown a preferred embodiment of it in the accompanying drawings. In these the same numerals refer to similar parts throughout the several views of which:
Figure 1 is a vertical section of a can embodying the invention.
Fig. 2 is a view similar to Figure 1 showing a -modied form of cover.
Fig. 3 is aperspective view of the upper portion of the can. j
Fig. 4 is a detail section view of the device shown in Figure 1. l
The receptacle comprises a body portion 1, a bottom 2, and a composite top. In general the material used is sheet metal although it is to be understood that the invention is not necessarily limited to any particular ln'nd of material. l
The bottom plate 2 is bent at its circumference to present a U-shaped flange 3 in the interior channel of which is received the terminal ribs 4 ofthe can body. These members are crimped to give a' double seam structure, which insures a tight joint between the separate parts in addition to strengthening the rece tacle.
ecured to the upper end of the can is the closure; this includes a cover member 5 and a cap 16. At its exterior periphery the top 5 The metal of the top is bent as at 8 and 9 to lprovide a ledge which seats on the base of the channel flange formed by the u per edge 10 of the can body. As shown, t e top is formed with a substantially vertical wall 11 which abuts the rim of the body of the can. The nested metal sections 7 and 10 are crimped by any suitablemeans to provide a top and body. It is to be understood that the description of the seal is to exemplify but one method of forming the can. The same result may be accomplished by solderconvenient and effective rim seal between the v ing or otherwise joining the several parts,
Without exceeding thescope ofv this invention. From the base ofthe wall 11 the cover is extended to form walls 12 and 13. Although the wall 12 is shown as being inclined, it will be appreciated that it may be made flat. The
top may be made with any'desired conguration which will embody vthe underlying principles of the invention. j As shown in Figurel 4 the metal at this portion is bent so as to form an intermediate groove 14, the function of which will be described hereinafter. At its interior portion the material of the cover is bent downwardly to present a substantially vertical friction wall 15.
Cooperating with the can top is a removable cap member 16. This member has a countersunk central portion embraced within the bottom portion 17 and the integral vertical annular wall 18. At its upper end the wall 18 is curved to conform generally to the curvature of the adjacent section of the can top. At its peripheral edge the cap is provided with a bead 19, which may be formed by lapping the edge of the metal cover. When the cap is inserted in the top, the wall 18 is forced into firm frictional contact with the frictionseat 15. Due to the elongation of the seat 15 a considerable friction engagement area is provided thereby insuring a more effective friction seal. Itis to be observed that the bottom 17 vand the lower portion of the annular AWall 18 project beyond the lower edge of the friction seat 15. This precludes accumulation of material on the friction face of Yseat 15 and thus insures a clean frictional special latex composition, although it is'to engaging surface. When the cap is in its closed positiony the bead 19 is slightly spaced from the adjacent wall 13T-In this space a tool may be inserted for the purpose of prying off the cap inthe usual manner.
In addition to the friction seal previously described I propose to provide the cover with a simple and eflicient hermetic seal. I accomplish this by interposing between the cap and can top a plastic material. I prefer lto use a be understood that any other suitable plastic may be employed. For example, I may use such material as artificial aqueous rubber emulsions or solutions of rubber in volatile I.. organic solvents. If a plastic is used which is normally solid it may be heated to a suitable temperature to obtain the desired plasticity and thus insure a ready flow. The sealing medium is then deposited in the groove 14. The composition fills the groove and the space between the bead 19 and wall 13. On cooling or drying the sealing material solidies thereby'forming an air tight sealing gasket for the container.
When itis desired to open the can, the seal 20 is broken at any point and the entire member stripped from the can. My reason of the resiliency of the special sealing medium land its tapered seal tip, (shown particularly in Figure 3.) the band may be easily removed as one strip. This I conceive to be a distinct advantage inasmuch as it provides a means by which the seal may be removed with a minimum of effort andpwithout 4any danger of injury to the operator. After the vacuum seal has been removed the cover and top thereafter cooperate to provide a friction sealed can.
,In Figure 2 I have shown a modication of the invention. This in its general features is similar to the device previously described. It comprises a container having side walls 1 anda bottom 2, which are crimped or otherwise fastened together through the intermediacy of flanges 4 and lip 3. In like manner a top`5 and the side are crimped to provide a double seal joint.
The can top includes inclined wall sections 12 and 13 and an interposed groove 14', thereby providing a corrugated and strengthend top. In this striicture the top is formed with ta channeled flange at its interior edge. The vertical sides 21 and 22 of l,the channel grooves form two spaced friction walls. The interior peripheral edge of the to'p is formed With a bead 23 to increase vthe rigidity of the structure and form a seat for the cap.
The central body portion 24 of the cap member is bent near the edge to present a depending channel section. This channel section includes vertical walls 25 and 26. The wall 26 is turned at its upper end to form a beaded ledge 27 It will be apparentthat when the cap is forced into the top the vertical Walls 25 and 26 will frictionally engage the contiguous walls21 and 22 of the top, and will be maintained inclose contact by reason of the inherent resiliency of the cap. It will be obvious that this structure provides a seal of a very effective character, there being two separate friction surfaces on both the cap and top.
l When it is desired to hermetically seal this type of container, it may be done in the manner already described. The sealing material may be gently heated to insure-a ready flow and the material then poured into the groove 14. As the fluid rises it will fill in tne gap `existin between the wall 13 and the bead 27 n solidifying, the composition forms a tough elastic seal, which adheres firmly to adjacent metal surfaces. This seal is not disrupted or displaced by any jarring ofthe can and thus has a decided advantage over frangible seals of the wax type. When it is desired to remove the seal it may be cut and stripped from the can as one piece in the manner described.
lIt will now be appreciated that I have provided a combined hcrmetical and vacuum container, which is simple in the extreme. It y comprises relatively few parts, which are'susceptible of easy assemblage and removal. The container may be opened without subjecting the operator to any danger of injury, since the hermetic seal may be broken without destroying any integral parts of the top or can or without disrupting any metallic structure. By applying the seal composition in the manner` described7 it can never come in contact with that part of the top through which the contents are removed. This choice Micasa@ of position assures the removal of the contents in a sanitary condition.
While I have herein shown and described the preferred embodiment of my invention bait is to be understood that this is merely for the purpose of exempliicationffor since the underlying features may be incorporated in other specific structures, I do not intend to be limited to those shownexceptin so far as such limitations are clearly imposed by the appended claim.
I claim: y A cancomprising abody portion, an aper tured top adapted to be secured to said body portion by a double seam, said top having a depending verticaliwall at the opening therein forming a friction seat, said top intermediate said vertical Wall and the double seam being bent to form a trough, the bottom of Which inclines upwardly to said vertical Wall,
a removable cap having a depressed portion forming a friction plug. adapted to engage the friction seat on said top for mechanically securing said cap to said top, said cap having the peripheral portion thereo` extending over said top and a portion of said trough, 'and .a
hermetic sealing material disposed in said trough and engaging the under side of said peripheral projecting portion of the cover for forming a seal between the cover and the top.v f
In testimony vvhereof I aix my signature.
FRANK J. OBRIEN.
US167223A 1927-02-10 1927-02-10 Receptacle closure Expired - Lifetime US1759274A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443984A (en) * 1942-06-29 1948-06-22 Hills Bros Coffee Friction top can
US3240383A (en) * 1962-01-02 1966-03-15 Arthur P Scholtz Can
US20100140279A1 (en) * 2007-08-17 2010-06-10 Sea To Summit Pty., Ltd. Collapsible Container
US20120012592A1 (en) * 2010-07-16 2012-01-19 George David Lisch Controlled base flash forming a standing ring
WO2018208705A1 (en) * 2017-05-11 2018-11-15 Behr Process Corporation Paint package and paint package lid

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443984A (en) * 1942-06-29 1948-06-22 Hills Bros Coffee Friction top can
US3240383A (en) * 1962-01-02 1966-03-15 Arthur P Scholtz Can
US20100140279A1 (en) * 2007-08-17 2010-06-10 Sea To Summit Pty., Ltd. Collapsible Container
US20120012592A1 (en) * 2010-07-16 2012-01-19 George David Lisch Controlled base flash forming a standing ring
US9254604B2 (en) 2010-07-16 2016-02-09 Amcor Limited Controlled base flash forming a standing ring
WO2018208705A1 (en) * 2017-05-11 2018-11-15 Behr Process Corporation Paint package and paint package lid
US11529825B2 (en) 2017-05-11 2022-12-20 Behr Process Corporation Paint package and paint package lid
US11904628B2 (en) 2017-05-11 2024-02-20 Behr Process Corporation Paint package and paint package lid

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