US3089604A - Grip-on cap seals for bottles or other containers and method of production of said cap seals - Google Patents

Grip-on cap seals for bottles or other containers and method of production of said cap seals Download PDF

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Publication number
US3089604A
US3089604A US726284A US72628458A US3089604A US 3089604 A US3089604 A US 3089604A US 726284 A US726284 A US 726284A US 72628458 A US72628458 A US 72628458A US 3089604 A US3089604 A US 3089604A
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US
United States
Prior art keywords
cap
stump
grip
rivet
bottle
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
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US726284A
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English (en)
Inventor
Golde Erich
Treydte Kurt
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Individual
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Individual
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Publication date
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Publication of US3089604A publication Critical patent/US3089604A/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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/10—Caps or cap-like covers adapted to be secured in position by permanent deformation of the wall-engaging parts
    • B65D41/12—Caps or cap-like covers adapted to be secured in position by permanent deformation of the wall-engaging parts made of relatively stiff metallic materials, e.g. crown caps

Definitions

  • the invention concerns a grip-on cap seal for bottles and other containers, the cap being fitted with a sealer insert of relatively thin and pliable plastic material.
  • This insert has a head covering the mouth of the bottle whilst the actual sealer portion protrudes into the bottle neck.
  • the invention is particularly applicable to the Crown type of cap seals.
  • Object of the invention is a cap seal which, whilst suffering visible deformation when the bottle is opened the first time, may nevertheless be used for repeatedly closing the bottle, even one containing an aerated liquid.
  • the sealer insert must be firmly anchored inside the grip-on cap, and in a manner both technically simple and suitable for mass production.
  • the invention refers also to a method of production of grip-o-n cap seals.
  • the sealer portion of the plastic insert protrudes in known manner sufliciently far into the bottle neck, for its outer wall to press tightly against the inner wall of the neck. Were the insert to be separated from the grip-on cap after the first decapping and pressed back onto the mouth of the bottle without the cap, an effective re-closing would be possible.
  • the base of the sealer portion has a turret-like protrusion reaching towards the grip-on cap, with a riveting stump of smaller diameter.
  • the cap has a central hole of equal size whence the stump is inserted to be deformed-by suitable heat application-- into a rivet head. It is advisable to make said turret protrusion hollow so that it can take the dolly when riveting, thus to reduce the elastic deformation during this process.
  • the resulting depression will take the rivet head, as described above. If the riveting stump is accurately dimensioned, the formed rivet head will just fill the countersink without rising above the cap surface.
  • FIG. 1 shows a grip-on cap of the Crown type with a central hole
  • FIG. 2 depicts a sealer insert to be applied therewith
  • FIG. 3 shows the marrying of grip-on cap to sealer insert
  • FIG. 4 depicts diagrammatically the process of supporting, heating and plastic deformation, whilst FIG. 5 shows the completed grip-on cap closure.
  • the grip-on cap 1 is provided with a central hole 2, the edge 3 of which is depressed in countersunk manner.
  • the wall 6 rises to the turret-like central portion 7. It forms an annular shoulder 8 whose edge 9 falls oflf obliquely towards the centre from which rises the riveting stump 11.
  • the edge 3 and edge 9 are correspondingly shaped and therefore fit well one into the other, as is evident from FIG. 3.
  • shoulder 8 is supported by means of a dolly 12 whereby the edge 3 of the grip-on cap derives a firm counter base which prevents edge 3 from being flattened out again when subsequently the riveting stump 11 is plastically deformed.
  • the riveting stump 11 is heated by means of contact heat, or is subjected to impinging heat such as hot air from one or more jets 13, and is then pressed onto the-preierably cold-dolly 14, the grip-on closure attains the shape shown in FIG. 5.
  • a grip-on cap seal for a bottle or the like which comprises (A) a metal grip-on cap having a central hole therein, the annular portion of said cap immediately surrounding said hole being depressed from the upper planar surface of said cap and forming an inwardly inclined anchoring flange, and (B) a pliable insert member positioned against the undersurface of said cap, said insert member having a hollow generally cylindrical stopperforming part protruding away from said cap and adapted to project into and sealingly engage the inner wall of the neck of a bottle, said cylindrical stopper-forming part being connected at its lower end with the lower end of a smaller cylindrical part which is positioned within said stoppenformng part and is closed at its upper end by a central portion carrying a rivet-headed stump, said rivetheaded stump protruding upwardly through said central hole in said cap and being formed to substantially fill the space within the depressed portion of said cap with the upper surface of said rivet-headed stump being substantially coplanar with the upper surface of said cap, said insert member being arranged to embed both the upper and
  • a grip-on cap seal for a bottle or the like which comprises (A) a metal grip-on cap having a central hole therein, the annular portion of said cap immediately surrounding said hole forming an anchoring flange, and (B) a pliable insert member positioned against the underinsert member being arranged to embed both the upper 10 and the lower surface of the anchoring flange of said cap to establish an inseparable connection therewith, said anchoring flange and said rivet-headed stump being spaced radially inwardly from the inner wall of said cylindrical stopper-forming part.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
US726284A 1957-04-05 1958-04-03 Grip-on cap seals for bottles or other containers and method of production of said cap seals Expired - Lifetime US3089604A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE345808X 1957-04-05
DE140657X 1957-06-14

Publications (1)

Publication Number Publication Date
US3089604A true US3089604A (en) 1963-05-14

Family

ID=25751940

Family Applications (1)

Application Number Title Priority Date Filing Date
US726284A Expired - Lifetime US3089604A (en) 1957-04-05 1958-04-03 Grip-on cap seals for bottles or other containers and method of production of said cap seals

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Country Link
US (1) US3089604A (US06272168-20010807-M00014.png)
BE (1) BE566220A (US06272168-20010807-M00014.png)
CH (1) CH345808A (US06272168-20010807-M00014.png)
FR (1) FR1193432A (US06272168-20010807-M00014.png)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3211316A (en) * 1958-09-12 1965-10-12 Union Carbide Corp Container closure
US3710794A (en) * 1971-06-16 1973-01-16 W Shields Recessed diaphragm with annular grooves for hypodermic syringes
US6050435A (en) * 1997-03-28 2000-04-18 Rexam Plastics, Inc. Closure with integral self-sealing silicone valve and method for making same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2459304A (en) * 1946-08-28 1949-01-18 Blank Frederick Medical vial stopper for insuring sterile needle punctures
US2693892A (en) * 1949-07-07 1954-11-09 William Jacques Herter Container sealing means
US2801016A (en) * 1955-06-09 1957-07-30 Satz William Reusable seal
US2963189A (en) * 1956-06-25 1960-12-06 Vve Tourre Et Cie Closure caps for bottles and like containers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2459304A (en) * 1946-08-28 1949-01-18 Blank Frederick Medical vial stopper for insuring sterile needle punctures
US2693892A (en) * 1949-07-07 1954-11-09 William Jacques Herter Container sealing means
US2801016A (en) * 1955-06-09 1957-07-30 Satz William Reusable seal
US2963189A (en) * 1956-06-25 1960-12-06 Vve Tourre Et Cie Closure caps for bottles and like containers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3211316A (en) * 1958-09-12 1965-10-12 Union Carbide Corp Container closure
US3710794A (en) * 1971-06-16 1973-01-16 W Shields Recessed diaphragm with annular grooves for hypodermic syringes
US6050435A (en) * 1997-03-28 2000-04-18 Rexam Plastics, Inc. Closure with integral self-sealing silicone valve and method for making same

Also Published As

Publication number Publication date
FR1193432A (fr) 1959-11-03
CH345808A (fr) 1960-04-15
BE566220A (US06272168-20010807-M00014.png)

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