Method and apparatus for blanking, folding and inserting...

Details Method and apparatus for blanking, folding and inserting... Method and apparatus for blanking, folding and inserting...

B - Operations, Transporting

21

D

93/66

B21D 51/46 (2006.01)

Patent

CA 1152793

Abstract of the Disclosure A method and apparatus for blanking, folding and inserting induction heat sealable membranes, having a disc and integral tab portion, in container covercaps in one continuous punch stroke. The tab portion is blanked from foil stock and folding of the tab is initiated during tab blanking alone a fold line located at the periphery of the disc portion. The disc portion of the membrane is then blanked while continuing to fold the tab portion to an intermediate reverse folded position. The blanked membrane is then inserted into an overcap to press the tab between the membrane disc portion and the covercap to further fold the tab along the fold line.

375527

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