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Class Information
Number: 162/383
Name: Paper making and fiber liberation > Apparatus > Foraminous forming mold for discrete articles (pulp molding) > Differing areas of porosity or of suction on single mold surface (including masking)
Description: Apparatus in which the foraminous die has separate areas adapted to pass therethrough different amounts of suspending fluid.

Patents under this class:

Patent Number Title Of Patent Date Issued
6899794 Speaker device, and method and device for producing the same May. 31, 2005
6409885 Pulp forming machines Jun. 25, 2002
6149772 Modular moulding tools for use in a machine for manufacturing shells or thin-walled blanks from pulp material Nov. 21, 2000
6120642 Process for producing high-bulk tissue webs using nonwoven substrates Sep. 19, 2000
6080691 Process for producing high-bulk tissue webs using nonwoven substrates Jun. 27, 2000
5900119 Method of forming improved loose fill packing material from recycled paper May. 4, 1999
5755963 Filter element and fabrication method for the same May. 26, 1998
5254398 Woven multilayer papermaking fabric having increased stability and permeability and method Oct. 19, 1993
5039465 Method and apparatus for forming fiber reinforced plastic preforms from a wet slurry Aug. 13, 1991
4853087 Process and apparatus for producing a filter with multiple folds Aug. 1, 1989
4772504 Press felt Sep. 20, 1988
4753713 Apparatus for forming uniform density structural fiberboard Jun. 28, 1988
4448344 Egg cell construction May. 15, 1984
4394214 Construction of universal egg cell cushion and method Jul. 19, 1983
3970516 Multiple filter press diaphragm former Jul. 20, 1976

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