Plastic article or earthenware shaping or treating: apparatus – Preform assembly means and means for bonding of plural... – Means press fitting or forcibly embedding one preform into...
Patent
1995-05-23
1997-04-22
Dixon, Merrick
Plastic article or earthenware shaping or treating: apparatus
Preform assembly means and means for bonding of plural...
Means press fitting or forcibly embedding one preform into...
4253421, 425385, 425344, 425503, 425521, 57 11, 57114, 571275, 57351, 72207, 72214, 72252, 199 74, 162296, 162361, B28B 310
Patent
active
056227345
ABSTRACT:
Disclosed is a process for producing a crimp-bonded fibrous cellulosic laminate. The process includes the steps of: 1) providing at least two superposed plies of a fibrous cellulosic material; 2) passing the superposed plies through a crimp roll arrangement including a rotating crimp element and a rotating anvil element; and 3) applying a pressure load against the rotating elements sufficient to crimp bond the fibrous cellulosic material plies into a laminate. The crimp element has protruding members configured in a discontinuous pattern aligned on an axis that is parallel to the cross-machine direction to provide a substantially continuous uniform area of localized surface contacts between the rotating crimp and anvil elements across the width of the plies. Also disclosed is an overall crimp-bonded fibrous cellulosic laminate and an apparatus for crimp-bonding multiple superposed plies of a fibrous cellulosic material.
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Clark Harry E.
Henderson Cynthia W.
Marcinek Robert C.
Mayfield Frances W.
Perkins Thad W.
Dixon Merrick
Kimberly-Clark Corporation
Sidor Karl V.
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