发明名称 |
Hinged rigid or semirigid product |
摘要 |
A hinged flexible article is provided which has rigid or semirigid substrate means with an insert of a hinge material which permits repeated flexing of the article about the hinge without failure. The substrate means has a hardness of at least about 35 Shore D as measured by ASTM test D-2240, while the hinge material has a hardness of from about 25 to about 60 Shore D as measured by ASTM test D-2240.
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申请公布号 |
US5059476(A) |
申请公布日期 |
1991.10.22 |
申请号 |
US19890361195 |
申请日期 |
1989.06.05 |
申请人 |
THE B. F. GOODRICH COMPANY |
发明人 |
STEINIGER, JOHN L.;SCHAAF, GLEN D.;GREENLEE, WILLIAM S.;MERTZEL, ELAINE A. |
分类号 |
A01K1/015;A47G27/02;A47L4/04;E05D1/02 |
主分类号 |
A01K1/015 |
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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