The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 18, 2020

Filed:

Mar. 31, 2015
Applicant:

Sekisui Chemical Co., Ltd., Osaka-shi, Osaka, JP;

Inventors:

Keita Kuse, Ritto, JP;

Jun Tsuda, Ritto, JP;

Akihiko Takaya, Ritto, JP;

Tatsurou Baba, Ritto, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 53/72 (2006.01); B29C 63/32 (2006.01); F16L 1/00 (2006.01); F16L 55/165 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
B29C 53/72 (2013.01); B29C 63/32 (2013.01); F16L 1/00 (2013.01); F16L 55/1655 (2013.01); B29L 2031/003 (2013.01);
Abstract

A curl-forming apparatus () includes: a main body () configured to deform a profile strip (); and a support body () configured to support the main body () in a holding unit () for the profile strip (). The profile strip () is helically wound on an inside of the holding unit (). The main body () is disposed in a hollow part of the holding unit () and is configured to draw and deform the profile strip () inside the holding unit (). The support body () is rotatable relative to the holding unit (), and is configured to rotate about an axis of the holding unit () in synchronization with the main body () that draws the profile strip ().


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