发明授权
- 专利标题: Pricker roll
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申请号: US35457573申请日: 1973-04-26
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公开(公告)号: US3891494A公开(公告)日: 1975-06-24
- 发明人: HUNTER EDWARD E
- 申请人: GOODYEAR TIRE & RUBBER
- 专利权人: Goodyear Tire & Rubber
- 当前专利权人: Goodyear Tire & Rubber
- 优先权: US35457573 1973-04-26
- 主分类号: B29C37/00
- IPC分类号: B29C37/00 ; B29C67/00 ; B29C70/50 ; B32B37/22 ; B29H9/04 ; B32B25/02
摘要:
A pricker roll used with a machine for calendering reinforcement tire cords with rubber material. The pricker roll produces a pattern of cuts in the thin sheets of rubber material to allow the escapement of air entrapped in the material during the sheetforming process.
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