发明授权
- 专利标题: Apparatus for producing a multiple structure paper protector
- 专利标题(中): 用于生产多重结构纸保护器的设备
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申请号: US478790申请日: 1995-06-07
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公开(公告)号: US5816991A公开(公告)日: 1998-10-06
- 发明人: Shizuo Sato
- 申请人: Shizuo Sato
- 专利权人: Sato; Shizuo
- 当前专利权人: Sato; Shizuo
- 优先权: JPX4-208514 19920713
- 主分类号: B65D77/26
- IPC分类号: B65D77/26 ; B31B11/00 ; B65D5/50 ; B65D81/113 ; B65D85/38 ; B65D85/68 ; B31B1/44 ; B31B1/46
摘要:
An apparatus for manufacturing a paper protector comprises an upper mold, a lower mold, and a central mold. The lower mold includes a frame section and support surface, while the upper mold includes a peripheral rim and guide projections fitted into the lower surface of the peripheral rim.