B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/1039
B29C 55/06 (2006.01)
Patent
CA 1299331
ABSTRACT The present invention provides an improved method and apparatus for uniaxially orienting an elastomer. A supplying mechanism provides a strip of elastomer material, which is capable of being deformed from an initial length to a retained, activatable elongated length. A restricting mechanism limits a movement of the elastomer material from the supplying mechanism, and a traction mechanism applies a selected amount of uniaxial tension to an intermediate portion of the elastomer material, which is located between the restricting mechanism and the traction mechanism. The traction mechanism is spaced from the the restricting means by a selected distance, is constructed to receive the elastomer material from the supplying mechanism, and is arranged to cooperate with the restricting mechanism to stretch the intermediate portion of the elastomer material by a selected amount. A regulating mechanism controls a movement of the elastomer material from the traction mechanism to allow a selected amount of contraction of the elastomer material, thereby imparting a selected elongated length thereto. A take-up mechanism then accumulates the elongated elastomer material.
533605
Christianson Rodney C.
Couture Laurie
Pomplun William S.
Sallee Lorry F.
Wittrock Marvin E.
Borden Ladner Gervais Llp
Christianson Rodney C.
Couture Laurie
Kimberly-Clark Corporation
Pomplun William S.
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