Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With cutting – punching – piercing – severing – or tearing
Reexamination Certificate
2005-07-12
2005-07-12
Gray, Linda (Department: 1734)
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With cutting, punching, piercing, severing, or tearing
C156S251000, C156S264000, C156S361000, C156S513000, C156S518000, C156S530000, C029S465000, C029S467000, C029S469000, C029S738000, C029S743000, C029S759000
Reexamination Certificate
active
06915828
ABSTRACT:
A punch apparatus for punching and laminating simultaneously a plural number of thin sheets is disclosed. This punch apparatus includes a punch provided on an upper portion of the punch apparatus, a die provided on a lower portion of the punch apparatus and used for punching a material to be processed, a stripper for guiding the punch during punching operation, a device for laminating punched materials using the punch as a laminating axis, a device for adjusting a relative position between the punch and the stripper when the upper and the lower portions of the punch apparatus are separated, and a device for adjusting a clearance between the die and the stripper during punching operation. The punch apparatus can open precisely almost straight very fine through-holes of a diameter of 100 μm or less even in a sheet of thin, soft and deformable material.
REFERENCES:
patent: 2618311 (1952-11-01), Parker
patent: 6502302 (2003-01-01), Takeuchi et al.
patent: 6637102 (2003-10-01), Takeuchi et al.
patent: 2002/0038507 (2002-04-01), Takeuchi et al.
patent: 64-034697 (1989-02-01), None
patent: 02-151403 (1990-06-01), None
Kabe Syusaku
Kitamura Kazumasa
Matsubayashi Satoshi
Takeuchi Yukihisa
Tsuji Hiroyuki
Burr & Brown
Gray Linda
NGK Insulators Ltd.
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