Foley & Lardner
Method of producing frame-installed seat pad structure
 A method of producing a frame-installed seat pad structure, which includes by steps (a) preparing a mold assembly which includes a mold and a lid, the lid having a foamable material feeding tube connected thereto; (b) preparing an endless elongate member which defines therein and therealong a continuous way, the endless elongate member having an inlet portion matable with the feeding tube of the lid and a plulality of outlet portions; (c) detachably connecting the endless elongate member to the lid having the inlet portion thereof mated with material feeding tube; (d) putting the lid on the mold having the endless elongate member exposed to a cavity of the mold; (e) pouring a foamable plastic material into the material feeding tube, so that the material flows in and along the continuous way and falls into the cavity through the outlet portions; (f) curing the material; and (g) removing the lid from the mold when the material is hardened to a certain degree. 
Ikeda Bussan Co., Ltd.
B B B B
B29C B29C B29C B29C
inventional inventional additional inventional
Hisayoshi Ichiro Norio Masami Kiichiro
Mizuno Matsuura Yanagishita Mori Ishimaru