Method of making a reinforced hollow element |
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| 申请号 | US27038863 | 申请日 | 1963-04-03 | 公开(公告)号 | US3203845A | 公开(公告)日 | 1965-08-31 |
| 申请人 | JUSTIN ENTPR INC; | 发明人 | SHORT ROBERT J; | ||||
| 摘要 | |||||||
| 权利要求 | 15. A METHOD OF FORMING A HOLLOW ELEMENT COMPRISING THE STEPS OF: (A) WINDING A FILAMENT IN A HELICAL PATTERN ABOUT A FORM TO PRODUCE A HOLLOW UNIT HAVING AT LEAST ONE ENLARGED END PORTION, AND (B) THEREAFTER WINDING SAID FILAMENT IN A HELICAL PATTERN TO PRODUCE A SECOND HOLLOW UNIT AXIALLY ALIGNED WITH SAID FIRST UNIT, SAID LAST NAMED HELICAL PATTERN OVERLAPPING SAID ENLARGED PORTION OF SAID FIRST HOLLOW UNIT, THEREBY PRODUCING AN INTERLOCK BETWEEN SAID FIRST AND SECOND UNIT. |
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| 说明书全文 | |||||||
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