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Class Information
Number: 162/315
Name: Paper making and fiber liberation > Apparatus > Running or indefinite length product forming and/or treating means > Means directing stock into contact with molding surface
Description: Apparatus having means for bringing a pulp slurry into association with a foraminous mold whereby a fibrous body may be formed thereon.

Sub-classes under this class:

Class Number Class Name Patents
162/317 Confined stock stream on forming surface (e.g., pressure forming) 45
162/318 Cylinder mold with endless forming belt about 20
162/336 Flow box, slice, and/or approach flow 247
162/323 Immersion vat type (e.g., cylinder machine vat) 22
162/316 On to under surface only of mold 1
162/320 Superposed or lateral stock pool type 2
162/322 With diverse non-pulp material inlet 26

Patents under this class:

Patent Number Title Of Patent Date Issued
8524039 Papermaking mould for producing two-stage watermarks and method for producing the same Sep. 3, 2013
8444824 Paper or board machine employing a single-wire draw dryer section May. 21, 2013
8343314 Pulp feeder for used paper recycling apparatus Jan. 1, 2013
8052839 Apparatus and method for washing pulps Nov. 8, 2011
7935224 Unit in a forming section of a papermaking machine May. 3, 2011
RE40720 Fabric support element for a papermaking machine Jun. 9, 2009
7520961 Process and device for blending fluid flows Apr. 21, 2009
7311803 Distribution of a flowing medium Dec. 25, 2007
7141139 Multiple cleaning stages with various dilution points and accepts recirculated through a common pipe Nov. 28, 2006
7005040 Fabric support element for a papermaking machine Feb. 28, 2006
6338773 Device for dewatering solid/liquid suspensions, especially pulp suspensions Jan. 15, 2002
6319363 Sheet forming system and method for controlling the same Nov. 20, 2001
6146500 Suction breast roll former and method, with flexible headbox roof Nov. 14, 2000
6086718 Apparatus for improving filler retention in papermaking Jul. 11, 2000
5766419 Twin-wire gap former in a paper machine Jun. 16, 1998
5571383 Method and device for transverse distribution of a flowing medium Nov. 5, 1996
5409575 Two-wire web-forming section of a paper machine Apr. 25, 1995
4717453 Web forming device with rigid concave/convex pressure plate Jan. 5, 1988
4430159 Twin-wire papermaking machine Feb. 7, 1984
4149930 Method and apparatus for making asbestos-cement boards Apr. 17, 1979
4074441 Rotary through dryer having multiple vacuum chambers and associated heaters Feb. 21, 1978
4024015 Web-forming method and apparatus May. 17, 1977

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