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Title:
HEAT-RESISTANT FELT MATERIAL AND MANUFACTURING METHOD OF HEAT-RESISTANT FELT MATERIAL
Document Type and Number:
Japanese Patent JP2021160092
Kind Code:
A
Abstract:
To provide a heat-resistant felt material that is prevented from needle breaking during needling of the heat-resistant felt material and combines high heat resistance and high durability, and a manufacturing method of the heat-resistant felt material.SOLUTION: A heat-resistant felt material comprises: a base material layer having at least one layer of a base material; and a laminated web layer having at least one layer of a laminated web, in which the laminated web layer is entangled and integrated by needling with an adjacent layer of the base material layer on an external surface of the base material layer, the base material contains a base cloth having a yarn containing one or more kinds of fibers selected from the group consisting of aromatic polyamide fiber and polyparaphenylene benzoxazole fiber, and the density of the base cloth is 0.60 g/cm3 or smaller.SELECTED DRAWING: Figure 1

Inventors:
OUCHI TAKASHI
NISHIMOTO NAOTO
SUZUKI SHINJI
Application Number:
JP2020061011A
Publication Date:
October 11, 2021
Filing Date:
March 30, 2020
Export Citation:
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Assignee:
ICHIKAWA CO LTD
International Classes:
B32B5/26; B32B7/09; B32B27/02; D04H1/4326
Attorney, Agent or Firm:
Hitoshi Goto
Shigeru Arai