Title:
基礎製品を提供する方法と長尺体で被覆されたマンドレル
Document Type and Number:
Japanese Patent JP7303552
Kind Code:
B2
Abstract:
The present invention relates to a method for providing a basic product made of at least polytetrafluoroethylene (hereinafter called "PTFE") and a mandrel covered with a long body that is the basic product, and the purpose of the present invention is to provide a basic product capable of reducing a manufacturing step of the product. The problem is solved by a method for providing a basic product and a mandrel covered with a long body that is the basic product, the basic product being a long body on which at least one film is spirally wound and which is closely formed by the at least one film, at least one film of the at least one film being made of at least PTFE, the long body having a thickness of 5 [mu]m or more and 75 [mu]m or less, the long body being provided in contact with the mandrel.
Inventors:
Go Tanabe
Application Number:
JP2020067081A
Publication Date:
July 05, 2023
Filing Date:
April 02, 2020
Export Citation:
Assignee:
Junkosha Co., Ltd.
International Classes:
B29C63/04; B29C41/42; B29C53/60; B29C70/16; B29C70/32; B32B1/06; B32B27/30; B65H81/06; F16L9/16
Domestic Patent References:
| JP9501759A |
Foreign References:
| US5972441 | ||||
| US5752934 |