Die for use in fine press working

Cutting – Means to drive or to guide tool – With simple rectilinear reciprocating motion only

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

83686, 83687, 83690, B26F 114

Patent

active

051780500

ABSTRACT:
The object of the invention is to reduce the number of the producing processes of an IC lead frame.
In the present invention, a plurality of punches 17 are provided protruding from the base 16 in such a manner that their surfaces are disposed approximately radially, and the reinforcing punch 23 which connects the cutting blades 18 of the punches 17 with each other, is provided between the cutting blades 18, and protruding from the base 16.
The punches 17 are integrated by the reinforcing punch 23, so that the strength of each punch 17 is improved and the number of punched holes in one process can be increased.

REFERENCES:
patent: 3797342 (1974-03-01), Sekel
patent: 4085639 (1978-04-01), Marconi
patent: 4791844 (1988-12-01), Yonezawa
patent: 4819316 (1989-04-01), Rossini et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Die for use in fine press working does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Die for use in fine press working, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Die for use in fine press working will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1212861

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.