Metal container with thread

Details Metal container with thread Metal container with thread

2007-02-06

2007-02-06

Larson, Lowell A. (Department: 3725)

Metal deforming

Process

Deforming sheet metal

C072S356000, C220S669000

Reexamination Certificate

active

11032077

ABSTRACT:
A metal container with thread capable of preventing such a defect that the strength of a lower end of a mouth part and an upper end of a shoulder part of a container main body is non-resistant to a pressing force in radial and axial directions, and a part of the container may be collapsed or buckled during a capping operation where content is filled into the container and cap is fitted to the container automatically by a machine, characterized in that at least one or more inwardly curving smooth annular recessed parts (4) and at least one or more outwardly curving smooth annular projected parts (5) are formed in an area ranging from the lower end (2a) of the mouth part (2) of the container main body to around the upper end (3a) of a tapered shoulder part increasing gradually in radial direction.

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International Search Report of PCT/JP00/08320 dated Sep. 25, 2001.
English translation of Argument from Japanese Patent Office dated Sep. 25, 2001.
PCT International Preliminary Examination Report.

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