Patent ID: 7861756
Filing Date: 2011-01-04
Classification: A61F,B26D,B26F,Y10T

Abstract:
1. A knife assembly for an apparatus used in the manufacture of a garment having a fit gather laminate area extending widthwise of said garment, said area comprising a plurality of layers, said layers including a layer of non-woven material and an adjacent layer of a plurality of longitudinally widthwise stretchable elastic elements laterally spaced lengthwise relative to said garment, said knife assembly comprising: a plurality of knife blades having cutting edges extending lengthwise across said fit gather laminate area, said plurality of blades including: a first pair of spaced apart knife blades located in a common plane removably carried by a rotating body; and a second pair of spaced apart knife blades located in a second common plane removably carried by said rotating body and being in an alternatively staggered relationship to a respective knife blade lying in said first common plane; a knife free-zone positioned between said first and said second pair of spaced apart knife blades in a cross machine direction; and support means securing said knife blades in said staggered relationship; and said first pair of spaced apart knife blades acting upon a first line of intended elastic severing in a machine direction; said second pair of spaced apart knife blades acting upon a second line of intended elastic severing in the machine direction; said first and second lines of intended elastic severing not overlapping in the cross-machine direction.