Punch press for piercing green sheet with liner

Details Punch press for piercing green sheet with liner Punch press for piercing green sheet with liner

1989-06-23

1991-02-05

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Severing means is perforator

156 89, 83409, B29C 5358

Patent

active

049900803

ABSTRACT:
A punch press machine for piercing a so-called green sheet made from a ceramic compound formed as a thin tape utilized for IC substrate and the like after sintering for solidification. The green sheet is adhered to a liner, such as a plastic tape, and has a core portion. The punch press machine is capable of piercing the green sheet together with the liner, without peeling of the tape liner from the core portion of green sheet. The machine consists of a punch press section, a work piece feeding section and a drive mechanism to move the work piece feeding section or the punch press section under mechanical automation, thus facilitating the piercing work with high productivity and quality.

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patent: 4674373 (1987-06-01), Kuppinger
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