发明名称 |
POLYURETHANE FOAM MOLDING, METHOD OF PRODUCING THE SAME, ANDSEAT PAD FOR MOTOR VEHICLE |
摘要 |
Two or more kinds of liquid urethane materials that can form polyurethane fo am with different properties or characteristics are poured in a mold and foamed under a predetermined forming pressure (P) and thus a polyurethane molding having two or more molding portions with different properties or characteristics is molded in one piece. In the one-piece molding, pouring amounts of the liquid urethane materials are determined so that the predetermined forming pressure (P) is obtained at each forming portion.</SDO AB>
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申请公布号 |
CA2511527(A1) |
申请公布日期 |
2004.07.15 |
申请号 |
CA20032511527 |
申请日期 |
2003.12.15 |
申请人 |
BRIDGESTONE CORPORATION |
发明人 |
YAMASAKI, KOICHIRO |
分类号 |
B29C39/12;B29C44/04;(IPC1-7):B29C39/12 |
主分类号 |
B29C39/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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