| Original document(13 pages) 中文版 |
The invention provides a mold apparatus, which can return the piece for forming the tooth part to a predetermined phase position and position it by utilizing the clamping operation of the mold, without the need for any special apparatus, by a positioning means prepared only in the movable side, by an inexpensive and simple structure not subject to the restriction of the shape of a molded product, and provides the molded product constant in the phase position. In the mold apparatus for forming a helical gear in which a piece (3) for forming the tooth part rotates upon the mold release, the apparatus makes the piece rotate in the direction opposite to that at the mold release by utilizing the clamping operation of the mold upon the mold clamping, returns the piece (3) to the predetermined phase position, and also positions it. |
Application Number 申请号 |
200610108961 |
Application Date 申请日 |
2006.07.31 |
| Title 名称 |
Forming die device for bevel wheel and product formed thereby |
Publication Number 公开号 |
1911627 |
Publication Date 公开日 |
2007.02.14 |
| Approval Pub. Date |
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Granted Pub. Date |
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| International Classification 分类号 |
B29C33/44;B29C33/30;B29L15/00 |
Applicant(s) Name 申请人 |
Ricoh Co., Ltd. |
| Address 地址 |
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| Inventor(s) Name 发明人 |
Kobayashi Takaji |
| Attorney & Agent 代理人 |
zhang jingqiang |
| More information 更 多 信 息 |
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