[특허]Tamper-evident cap and neck structure

[미국특허] Tamper-evident cap and neck structure 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-041/46
출원번호	US-0180392 (1988-04-12)
발명자 / 주소	Bullock III Joseph J. (Atherton CA)
출원인 / 주소	Cap Snap Co. (San Jose CA 02)
인용정보	피인용 횟수 : 16 인용 특허 : 12

초록 ▼

A plastic cap for a container neck formed with upper and lower external locking beads has a top disk from which depends an upper outer skirt having an upper internal locking bead and a larger diameter lower skirt having a lower internal locking bead. Between the skirt sections is an external outward extending flange which is weakened by a notch cut in its outer corner. The interior of the skirt is formed with an outward extending shoulder at a lower elevation than said external outward extending flange and the lower skirt wall intersects said outward extending shoulder in a circular intersection. A circumferential line of minimum thickness extends downward-inward from said notch to said line of intersection. When the cap is seated on the neck the upper and lower beads interengage, the cap cannot be removed without evidence of tampering. To fracture the flange at the line of minimum thickness, a tear tab depends from the lower edge of the skirt and a curved score line at the upper end of the tear tab extends up from the lower edge of the skirt to the level of the line of minimum thickness. Pulling the tab tears the skirt at the curved score line and around the line of minimum thickness, removing all or a sufficient portion of the lower skirt and its lower internal locking bead.

대표청구항 ▼

In combination, a container neck and a cap for closing said neck, said neck comprising an upper annular upward-inward directed first flange, an outward-downward slanted first stretch terminating in an inward extending first shoulder, said first stretch and said first shoulder defining upper external locking bead means, a downward extending second stretch indented relative to said first stretch, an outward-downward slanted third stretch terminating in an inward extending second shoulder, said third stretch and said second shoulder defining lower external locking bead means, a downward extending fourth stretch indented relative to said third stretch, said second shoulder being offset outward relative to said first shoulder, said cap comprising a top disk, an upper skirt portion depending from said top disk formed with upper internal locking bead means shaped and positioned to engage said upper external locking bead means when said cap is seated on said neck, and having an internal outward extending shoulder, an external outward extending second flange on the lower edge of said upper skirt portion formed with a line of minimum thickness extending at least partially circumferentially around said cap, a lower skirt portion depending from said second flange, and having a diameter larger than said upper skirt portion and formed with lower internal locking bead means shaped and positioned to engage said lower external locking bead means and having an inner wall and a circular intersection with said internal outward extending shoulder, said line of minimum thickness slanting downward-inward to said intersection, tear means on said lower skirt portion, whereby when a user grips and pulls said tear means, said lower skirt portion is torn up to said line of minimum thickness and thence around at least a portion of said line of minimum thickness thereby removing a substantial portion of said lower internal locking bead means from engagement with said lower external locking bead means to permit removal of said cap from said neck.

이 특허에 인용된 특허 (12) 인용/피인용 타임라인 분석

Bullock Joseph J. (Atherton CA), Container cap having rounded retainer bead sections.
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McIntosh James A. (Montclair NJ), Container-closure assembly.
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Faulstich George W. (San Carlos CA), Plastic cap and container construction.
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Crisci Robert E. (New Castle PA), Snap on tamper indicating closure for containers.
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Crisci, Clem C., Snap on twist off tamper-proof closure for containers.
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Conti Vincent N. (West Hempstead NY), Snap-on tamper-proof closure.
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Li Ernest L. (Toledo OH), Tamper indicating vacuum package.
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Crisci Clem C. (New Castle PA), Tamper-proof closure for containers.
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Bullock Joseph J. (c/o Cap Snap Sea Co. 890 Faulstich Ct. San Jose CA 95112), Tamper-resistant container closure.
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Bullock Joseph J. (Atherton CA), Tamper-resistant container closure having auxiliary removal features.
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Dennis Stanley W. (Baltimore MD), Tamperproof closure.
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Faulstich George W. (San Carlos CA), Widemouth jar neck and plastic cap construction.
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이 특허를 인용한 특허 (16) 인용/피인용 타임라인 분석

Sandor Laszlo G. ; Luch Daniel ; Repp Richard E., Blow molded container structure, cap therefore and method of forming said neck.
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Sandor Laszlo G. ; Luch Daniel ; Repp Richard E., Blow molded container structure, cap therefore and method of forming said neck.
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Bietzer Steven H. ; Krischke Kurt A. ; Repp Richard E., Cap skirt with single bead and container neck structure.
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Ekkert, Len, Closure with ring ribs.
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Laszlo Sandor G ; Luch Daniel ; Repp Richard E, Container neck finish and method and apparatus for forming same and cap for use thereon.
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Sandor Laszlo ; Luch Daniel ; Repp Richard E., Container neck finish and method and apparatus for forming same and cap for use thereon.
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Sandor, Laszlo G.; Luch, Daniel; Repp, Richard E., Container neck finish and method and apparatus for forming same and cap for use thereon.
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Welch William G., Plastic bung seal.
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Luburic, Frano, Pull tab on tear strip on plastic cover plastic cover, including break tab feature, and related apparatus and methods.
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Otsuka, Hiroyuki; Imai, Kenichirou; Koide, Youko, Refill container.
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Long, Jr., Charles J., Resealable, tamper evident closure.
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Long, Jr.,Charles J., Snap-on screw-off closure with retaining member for tamper-indicating band.
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Long ; Jr. Charles J., Snap-on tamper evident closure with push-pull pour spout.
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Long ; Jr. Charles J., Tamper evident push-pull closure with pour spout.
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Bietzer Steven H. ; Krischke Kurt ; Luch Daniel ; Repp Richard E., Tamper-evident closures and container neck therefor.
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Bartsch Eric R., Tamper-evident leak-tight closure for containers.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Tamper-evident cap and neck structure 원문보기

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[미국특허] Tamper-evident cap and neck structure 원문보기

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이 특허에 인용된 특허 (12) 인용/피인용 타임라인 분석

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