发明名称 |
Method of making fabric covered ceiling board |
摘要 |
The invention herein is directed to a method of providing a ceiling board with a fabric facing. The fabric facing is molded to the irregular shape of the ceiling board so that there is no wrinkling or gathering of the fabric as it is shaped to the configuration of the ceiling board. The lack of wrinkling and gathering is secured without the use of a laborious hand-cutting operation.
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申请公布号 |
US4222803(A) |
申请公布日期 |
1980.09.16 |
申请号 |
US19780912550 |
申请日期 |
1978.06.05 |
申请人 |
ARMSTRONG CORK COMPANY |
发明人 |
KENT, RAYMOND C.;HAINES, JR., CHARLES |
分类号 |
B27N7/00;B29C63/00;B32B37/14;(IPC1-7):B29C27/14;B29C27/22 |
主分类号 |
B27N7/00 |
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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