OBLIQUE CAP PREVENTIVE THREAD STRUCTURE - NIHON YAMAMURA GLASS CO LTD

Title:

OBLIQUE CAP PREVENTIVE THREAD STRUCTURE

Document Type and Number:

Japanese Patent JP2008007130

Kind Code:

A

Abstract:

To provide an oblique cap preventive thread structure capable of preventing an oblique cap by effectively utilizing a top load acting a cap.

In the oblique cap preventive thread structure which is formed with male threads formed on the mouth part side of a container and a female threads 5 formed on the cap C side respectively formed into multiple threads screws, and which can prevent the oblique cover of the cap C from occurring by utilizing the top load acting on the cap C in a cap C mounting process, the height H2 of the multi-stripe screw-thread T is formed lower than the other part over a specified range from the screw-thread forming starting end st of the multiple threads, and the shape of the skirt side edge part Tm of the screw-thread T of the part formed low is formed gently-sloping in a beveled shape so as to easily screw.

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Inventors:

TAKAHARA SEIJI
HIRANO EMARI

Application Number:

JP2006176627A

Publication Date:

January 17, 2008

Filing Date:

June 27, 2006

Export Citation:

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Assignee:

NIHON YAMAMURA GLASS CO LTD

International Classes:

B65D41/04; F16B33/02

Domestic Patent References:

JPS58155408U	1983-10-17
JPH061823U	1994-01-14

Attorney, Agent or Firm:

Noboru Fujimoto
Seiichi Yakumaru
Hiroaki Nakatani
Tokuya Iwata

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