MANUFACTURE FOAMED MOLDED ARTICLE WITH SKIN AND MANUFACTURE OF SKIN

Japanese Patent JP3494774

B2

PROBLEM TO BE SOLVED: To finish simply without exposing a margin for a seam by a method in which both opening end margins related to each skin piece are pulled inside out through an open port, and the opposite parts of the margins are bonded to each other and pushed back again through the open port to make a ring- shaped skin body with closed cross section turned inside out.
SOLUTION: With regard to both opening end margins related to skin pieces 2, associated with the finish of the formation a seam by a sewing thread, the opposite parts related to both opening end margins 48, 49, 58, 59 of skin bodies 4, 5, 3 are pulled in sequence out of an open port 2a. Next, with the margins turned inside out, the opposite parts of the margins 48, 49 or the opposite parts of the margins 58, 59 are overlapped and bonded by a sewing thread to each other. Next, all skin pieces 2-5 are pulled out of the open port 2a and turned over outside out, and a skin body 7 with a hollow doughnut type ring-shaped closed cross section is formed.

WO/2007/055108	OCCUPANT PROTECTION DEVICE
JP5071074	Vehicle seat headrest

Nobuo Takeuchi
Yasushi Kitano
Hiyoshi Ishikawa
Hiroyuki Iwane

JP25548795A

February 09, 2004

September 06, 1995

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Inoac Corporation
Otsuka Sangyo Materials Co., Ltd.

B60R21/055; B29C39/10; B29C44/14; B60N2/48; B60N2/58; B68F1/00; B29K75/00; B29K105/04; B29L31/58; (IPC1-7): B29C39/10; B60R21/055

JP60127115A
JP440181B2

Yoshinobu Kobayashi

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