Method for manufacturing air bag, air bag, and vehicle seat apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11850806
APP PUB NO 20210354401A1
SERIAL NO

17205104

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method for manufacturing an air bag includes forming a bag portion surrounded by a welded portion extending in an annular shape by pressing at least one welding mold against two sheet materials arranged to be stacked from a stacking direction of the sheet materials. The welding mold is pressed against the sheet materials to form the welded portion including a welding bead portion protruding to an inside of the bag portion between the sheet materials. A pressing surface of the welding mold against the sheet materials is provided with a slope portion facing in the stacking direction of the sheet materials and in a direction of the inside of the bag portion at a position further on an outside of the bag portion than a position at which the welding bead portion is formed.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
AISIN CORPORATION2-1 ASAHI-MACHI KARIYA-SHI AICHI 4488650 ?4488650

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hasegawa, Masaaki Kariya, JP 10 112
Kanbara, Tomoko Kariya, JP 5 5
Kurematsu, Yasuhito Kariya, JP 3 4
Masuda, Satoshi Kariya, JP 139 1016
Mizuno, Ryosuke Kariya, JP 51 161
Sakai, Makoto Kariya, JP 141 1827
Seki, Tomokazu Kariya, JP 25 106
Yamamoto, Tsuyoshi Kariya, JP 324 4081

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