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Class Information
Number: 156/348
Name: Adhesive bonding and miscellaneous chemical manufacture > Plaster board making apparatus > With edge treatment means
Description: Apparatus having means modifying the formed sheet at or adjacent the edge only.










Patents under this class:

Patent Number Title Of Patent Date Issued
8574422 Hydrogen production Nov. 5, 2013
7686902 Method of fabricating plaster board Mar. 30, 2010
7431783 Method and apparatus for production of plaster plates having 4 tapered edges Oct. 7, 2008
7223311 Method and apparatus for fabricating gypsum board May. 29, 2007
6931814 Devices for positioning and tapering the edges of adjacent wallboards and methods for using same Aug. 23, 2005
6866492 Gypsum board forming device Mar. 15, 2005
6800174 System for making wallboard or backerboard sheets including aerated concrete Oct. 5, 2004
6692607 Method of manufacturing a molded multilayer article Feb. 17, 2004
6535785 System and method for monitoring and controlling gas plasma processes Mar. 18, 2003
6488792 Method and apparatus for manufacturing cementitious panel with reinforced longitudinal edge Dec. 3, 2002
6416619 System for making wallboard or backerboard sheets including aerated concrete Jul. 9, 2002
6394440 Dual orientation leveling platform for semiconductor apparatus May. 28, 2002
6351683 System and method for monitoring and controlling gas plasma processes Feb. 26, 2002
6126779 Plasma gas processing Oct. 3, 2000
5221386 Cement board having reinforced edges Jun. 22, 1993
5127978 Tire building form having coaxial discs Jul. 7, 1992
4996539 Label printer Feb. 26, 1991











 
 
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