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.
Patent No.:
Date of Patent:
Jul. 27, 2021
Filed:
Jul. 09, 2020
Applicant:
Junkosha Inc., Ibaraki, JP;
Inventor:
Suguru Tanabe, Ibaraki, JP;
Assignee:
JUNKOSHA INC., Ibaraki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 53/60 (2006.01); B29C 53/58 (2006.01); B29L 31/00 (2006.01); B29L 23/00 (2006.01); B29K 27/18 (2006.01);
U.S. Cl.
CPC ...
B29C 53/60 (2013.01); B29C 53/583 (2013.01); B29K 2027/18 (2013.01); B29L 2023/005 (2013.01); B29L 2031/7542 (2013.01);
Abstract
The present invention relates to a method for providing a semi-worked product and a mandrel covered with a long body which is the semi-worked product, in which the semi-worked product is a long body which is formed without a gap by spirally winding at least one sheet of film, at least one sheet of film of the at least one sheet of film is made of at least polytetrafluoroethylene, the long body has a thickness of 5 μm or more and 75 μm or less, and the long body is provided in a state of being in contact with a mandrel.