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Class Information
Number: 425/253
Name: Plastic article or earthenware shaping or treating: apparatus > Female mold, pallet handling means and means to charge female mold
Description: Apparatus comprising a combination of a female mold, means to deliver stock material to the mold either as fluent or as a preformed charge and dynamic means to position a pallet in or on the mold or which conveys a pallet or from a working area.

Sub-classes under this class:

Class Number Class Name Patents
425/254 Including magazine type pallet supply means 17
425/255 Pallet supported within mold sidewalls by vertically movable stripper 20

Patents under this class:
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Patent Number Title Of Patent Date Issued
8613875 Method and device for the successive production of coal briquettes compatible with a coke chamber Dec. 24, 2013
8591216 Dry-cast concrete block molding machine Nov. 26, 2013
8398391 Dry-cast concrete block molding machine Mar. 19, 2013
8337188 Apparatus for making a shingle, and shingle made thereby Dec. 25, 2012
8317507 Systems for making microtablets for drug delivery Nov. 27, 2012
8309009 Thermoplastics forming process for molding articles with complex shapes Nov. 13, 2012
8252221 Compacting techniques for forming lightweight concrete building blocks Aug. 28, 2012
8182260 Apparatus and method for forming tapered products May. 22, 2012
8167264 Self-supporting interior wall for use in concrete casting equipment used in concrete casting machines May. 1, 2012
8128857 Method of shortening the time to compression mold a roofing shingle or tile and apparatus for facilitating same Mar. 6, 2012
8123512 Concrete block mold with moveable liner Feb. 28, 2012
7815829 Process and device for producing horizontally tamped coal cakes Oct. 19, 2010
7687005 Masonry unit manufacturing method Mar. 30, 2010
7500845 Apparatus and method for forming retaining wall blocks with variable depth flanges Mar. 10, 2009
7484708 Mold assembly for the production of concrete blocks Feb. 3, 2009
7458800 Mold assembly for manufacturing a masonry block Dec. 2, 2008
7278845 Concrete-block-making machine Oct. 9, 2007
7255551 High volume print-forming system Aug. 14, 2007
7140867 Mold for making a masonry block Nov. 28, 2006
6900547 Thermoplastic molding process and apparatus May. 31, 2005
6832907 Controlled moulding equipment Dec. 21, 2004
6773642 Method of forming a concrete retaining wall block in a front face up position Aug. 10, 2004
6764294 Vibratory mold system for concrete products Jul. 20, 2004
6719551 Thermoplastic molding process and apparatus Apr. 13, 2004
6530769 Automated mold changing system for concrete product molding machines and methods of constructing and operating the system Mar. 11, 2003
6336480 Apparatus and method for dispensing of powders Jan. 8, 2002
6322742 Method of producing stackable concrete blocks Nov. 27, 2001
6213168 Apparatus and method for dispensing of powders Apr. 10, 2001
6106264 Apparatus for molding blocks Aug. 22, 2000
6093011 Apparatus for manufacturing green bricks for the brick manufacturing industry Jul. 25, 2000
6007321 Unitary paver mold Dec. 28, 1999
5934343 Method for dispensing of powders Aug. 10, 1999
5846576 Apparatus for the production of shaped bricks Dec. 8, 1998
5686009 Mould Nov. 11, 1997
5533885 Apparatus for manufacturing annular or tubular workpieces from concrete Jul. 9, 1996
5505607 Apparatus for forming concrete products Apr. 9, 1996
5395228 Apparatus for forming concrete products Mar. 7, 1995
5304333 Concrete product molding and curing plant methods and apparatus Apr. 19, 1994
5290165 Independent pallet delivery system Mar. 1, 1994
5281125 Device for the production or manufacture of stones or blocks Jan. 25, 1994
5135384 Molding machine Aug. 4, 1992
5108281 Biaxial concrete masonry casting apparatus Apr. 28, 1992
5085570 Press for forming bodies Feb. 4, 1992
5085059 Machine for making stick ices, water ices, and the like Feb. 4, 1992
5080840 Method and apparatus for the manufacture of roof covering plates having a transverse flange Jan. 14, 1992
5061171 Apparatus for performing friction material Oct. 29, 1991
5032072 Device for producing shaped objects from thermoplastic plastics Jul. 16, 1991
5024593 Apparatus for transporting moldings from an injection molding machine Jun. 18, 1991
4981428 Apparatus for molding slotted concrete floor sections Jan. 1, 1991
4943219 Hollow core concrete extruder Jul. 24, 1990

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