Invention Grant
US3549738A Method for producing fibrous products having integral tongue and groove edges
失效
用于生产具有整体绒毛和绒毛边缘的纤维制品的方法
- Patent Title: Method for producing fibrous products having integral tongue and groove edges
- Patent Title (中): 用于生产具有整体绒毛和绒毛边缘的纤维制品的方法
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Application No.: US3549738DApplication Date: 1968-09-30
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Publication No.: US3549738APublication Date: 1970-12-22
- Inventor: TROYER RICHARD LLOYD
- Applicant: JOHNS MANVILLE
- Assignee: Johns Manville
- Current Assignee: Johns Manville
- Priority: US76365568 1968-09-30
- Main IPC: B29C69/00
- IPC: B29C69/00 ; B27N3/18 ; B28B1/52 ; B29C53/00 ; B29C57/00 ; B29C67/00 ; B29C67/24 ; B29C70/00 ; B29C70/52 ; B29D1/00 ; B29D7/00 ; B29D99/00 ; D04H1/42 ; D04H1/00
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