Patent ID: 6223501
Filing Date: 2001-05-01
Classification: B26F,B31B,B65B,B65D

Abstract:
A perforation apparatus for use in the formation of shrink film packages, comprising:a knife retaining block, said knife retaining block having a receiving slot, said receiving slot being dimensioned to receive a knife blade, and at least one retaining member, said at least one retaining member maintaining said knife blade within said slot;a planar member, said planar member having a plurality of peninsula regions forming a plurality of window areas, at least one peninsula region adjacent each pair of said plurality of window areas having a retaining block receiving area, said receiving area extending substantially across said peninsula region and being dimensioned to receive said knife retaining block,a change plate, said change plate having knife receiving slots dimensioned to receive said knife blade,a sealing member, said sealing member having a knife receiving area.