Abstract: A monoaxially oriented material of a longitudinally monoaxially oriented reticular web (a), a transversely monoaxially oriented reticular web (b) or a monoaxially oriented multi-layer tape (c) which comprises a polypropylene resin layer and an adhesive layer comprising a mixture of polypropylene resin and polyethylene resin and laminated on one surface or both surfaces of the polypropylene resin layer, and a polypropylene woven or non-woven fabric prepared by laminating crosswise or weaving the monoaxially oriented materials with interposing the adhesive layer so that the orientation axes of the materials may intersect; and a method for preparing the polypropylene woven or non-woven fabric and a heat-resistant reinforced laminate material.
Abstract: A cable splice case or other article for environmental sealing comprises a composite material having multifilament fibers therein, which fibers are blocked in order to prevent passage of fluid through the material in a direction parallel to its major surfaces.
Type:
Grant
Filed:
July 7, 1994
Date of Patent:
May 27, 1997
Assignee:
Raychem Limited
Inventors:
George B. Park, Frank J. Lowe, George M. J. Ganbuehler, Norman Hutt, Stephen A. Webb, Hendrick Graulus