CUSHION PAD FOR SEAT, AND METHOD OF MANUFACTURING THE CUSHION PAD,申请号WO2003JP01195-传众专利搜索

CUSHION PAD FOR SEAT, AND METHOD OF MANUFACTURING THE CUSHION PAD

申请公布号：WO2004034853(A1)

申请号：WO2003JP01195

申请日期：2003.02.05

申请公布日期：2004.04.29

申请人：

TOYO TIRE & RUBBER CO., LTD.;BANNO, MASANOBU

发明人：BANNO, MASANOBU

分类号：A47C7/18;B29C44/08;B60N2/70;(IPC1-7):A47C27/15;B29C39/12;B68G5/00;B68G7/00

主分类号：A47C7/18

摘要：<p>A cushion pad for seat and a method of manufacturing the cushion pad, the cushion pad (A) of stacked structure capable of providing a high freedom degree for the distribution of thicknesses of foam layers and the setting of depth of slits, forming the slits in deep grooves, and sufficiently assuring the tolerance for burying locking members such as slit wire therein wherein the slits (3) are formed in the first foam layer (1) as a front layer and locking members (5) are buried near the groove bottoms thereof; the method of manufacturing the cushion pad comprising the steps of forming the rear surface of the slit formed portion of the first foam layer (1) so as to form a swelling on a second foam layer (2) and burying the locking members (5) in the second foam layer (2) with a burying tolerance of a specified value or more provided thereto by swelled portions (7).</p>