Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles – With reshaping or surface embossing of formed article
Patent
1993-11-03
1995-06-27
Woo, Jay H.
Plastic and nonmetallic article shaping or treating: processes
Forming articles by uniting randomly associated particles
With reshaping or surface embossing of formed article
19301, 26 16, 26 30, 162120, 264160, 264167, 425 831, 425299, 425362, B29D 700, D04H 170
Patent
active
054277230
ABSTRACT:
A distinctive method for contouring a fibrous web includes the steps of (a) providing a fibrous web which defines an interconnected series of appointed article segments along a length dimension of said web, and (b) conveying said web at a selected speed along an appointed machine direction. The method also includes the step of (c) removing predetermined quantities of fibers from selected regions of said fibrous web with a moving, outer peripheral scarfing surface, which is movable along a selected movement direction. The scarfing surface is constructed to provide each of the article segments with a selected contoured basis weight which varies along the length dimension of said segment in a selected correspondence with a predetermined scarfing pattern. The scarfing pattern is provided by the outer peripheral scarfing surface and is variably patterned along the movement direction of the scarfing surface. A relative movement between the conveying step (b) and the removing step (c) is regulated to provide the selected correspondence and to thereby form said selected contoured basis weight on substantially each of the appointed article segments.
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Krautkramer Peter J.
Kugler Joseph M.
Lamers Lyle T.
Rammer Douglas P.
Smith Duane S.
Woo Jay H.
Yee Paul
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