Method of producing hinges and hinges produced by the method |
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| 申请号 | US48821465 | 申请日 | 1965-09-17 | 公开(公告)号 | US3280447A | 公开(公告)日 | 1966-10-25 |
| 申请人 | FISKARS AB OY; | 发明人 | LARS HOLMSTROM; | ||||
| 摘要 | |||||||
| 权利要求 | 1. A METHOD FOR PRODUCING A HINGE FOR DOORS, WINDOWS AND THE LIKE, WHICH HINGE CONSISTS OF AT LEAST TWO SCREWSHAPED HINGE-HALVES AND A HINGE PIN FOR CONNECTING THE HALVES TOGETHER, CHARACTERIZED THEREIN THAT EACH OF THE HINGE-HALVES ARE MADE IN ONE PIECE OF A BAR MATERIAL, WHICH HALVES BY MEANS OF COLD-ROLLING ARE FORMED WITH A THREAD, ONE OF ITS END PORTIONS BEING BY A COLD-UPSETTING METHOD FORMED INTO A HEAD FOR THE HINGE PIN. |
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| 说明书全文 | |||||||
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