BACKREST DEVICE FOR CHAIR - Itoki Co., Ltd.

Title:

BACKREST DEVICE FOR CHAIR

Document Type and Number:

Japanese Patent JP3738974

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide an inner shell body 9 of a composition the function of which as a lumber support in a backrest section for a chair is optimal.
SOLUTION: The inner shell body 9 is formed of a composition wherein a composition containing a polyolefin based thermoplastic elastomer and a hydrogenated butadiene rubber is made to contain a metallocene polyethylene or a random polypropylene. The bending elasticity of the composition is set in a range of 20 to 250 MPa.

More Like This:

JPS6148313	FORMATIVE MATRIX AND CHAIR USING THE SAME
WO/2001/070075	CHAIR PROVIDED WITH A HEIGHT-ADJUSTABLE BACKREST HAVING A LORDOTIC PART

Inventors:

Atsushi Fukuhara
Kazuaki Nakabayashi

Application Number:

JP2001126927A

Publication Date:

January 25, 2006

Filing Date:

April 25, 2001

Export Citation:

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Assignee:

Itoki Co., Ltd.

International Classes:

A47C7/46; (IPC1-7): A47C7/46

Domestic Patent References:

JP11198312A
JP2000102939A
JP9300554A

Attorney, Agent or Firm:

Akio Ishii
Tadashi Higashino
Hiroyuki Nishi

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