CA2329286A1 - Tamper resistant bottle cap and neck - Google Patents

Tamper resistant bottle cap and neck Download PDF

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Publication number
CA2329286A1
CA2329286A1 CA 2329286 CA2329286A CA2329286A1 CA 2329286 A1 CA2329286 A1 CA 2329286A1 CA 2329286 CA2329286 CA 2329286 CA 2329286 A CA2329286 A CA 2329286A CA 2329286 A1 CA2329286 A1 CA 2329286A1
Authority
CA
Canada
Prior art keywords
pull tab
cap
ring
neck
skirt
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.)
Granted
Application number
CA 2329286
Other languages
French (fr)
Other versions
CA2329286C (en
Inventor
Walter E. Hidding
Douglas J. Hidding
Robert D. Hidding
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Blackhawk Molding Co Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2329286A1 publication Critical patent/CA2329286A1/en
Application granted granted Critical
Publication of CA2329286C publication Critical patent/CA2329286C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Closures For Containers (AREA)

Abstract

An improved tamper resistant bottle cap and neck for bottles which hold liquid. The bottle cap of the present invention includes a circular cover, a skirt depending from the periphery of the cover, and a tamper evidencing lower portion. A raised ring formed on the outer and upper surface of the bumper roll typically used in blow-molded containers protects the lower edge of the cap from tampering by making the lower edge of the ratchet ring in the case of a thread-on cap (or the lower edge of the removable portion of a skirt in the case of a push-on cap) less accessible to potential tamperers. Thread-on caps with helical threads and a ratchet ring, or push-on caps with skirts having removable lower portions, may each be equipped with an arched or curved pull tab. The pull tab in each instance is designed to accommodate a raised ring on the bumper roll of the neck of a blow-molded bottle. By designing the pull tab to accommodate the raised ring on the bumper roll the presence of the ring does not induce unwanted stresses and deformations into the pull tab or the skirt or ratchet ring to which the pull tab is connected.
CA 2329286 2000-12-20 2000-12-20 Tamper resistant bottle cap and neck Expired - Lifetime CA2329286C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46743300A 2000-12-20 2000-12-20
US09/467,433 2000-12-20

Publications (2)

Publication Number Publication Date
CA2329286A1 true CA2329286A1 (en) 2002-06-20
CA2329286C CA2329286C (en) 2008-06-10

Family

ID=23855681

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2329286 Expired - Lifetime CA2329286C (en) 2000-12-20 2000-12-20 Tamper resistant bottle cap and neck

Country Status (1)

Country Link
CA (1) CA2329286C (en)

Also Published As

Publication number Publication date
CA2329286C (en) 2008-06-10

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MKEX Expiry

Effective date: 20201221