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Class Information
Number: 425/434
Name: Plastic article or earthenware shaping or treating: apparatus > Female mold including tamping means or means utilizing mold motion to distribute or compact stock therein > Plural female molds
Description: Apparatus comprising multiple units each providing a shaping cavity.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8485812 Spin-mounted fabrication of injection molded micro-optics Jul. 16, 2013
8029263 Low pressure vacuum resin infusion system Oct. 4, 2011
7927091 Device for filling a mould with a powder or a mixture of powders Apr. 19, 2011
7722348 Vacuum assisted molding May. 25, 2010
7687005 Masonry unit manufacturing method Mar. 30, 2010
7407012 Thermally stable diamond cutting elements in roller cone drill bits Aug. 5, 2008
6986656 Method of and system for forming a fire door core Jan. 17, 2006
6773639 Method of and system for forming a fire door core Aug. 10, 2004
6589470 Process for producing molded plastic articles Jul. 8, 2003
6355191 Method and apparatus for the manufacture of cementitious slab products Mar. 12, 2002
6322348 Rotational mold automated clamping system Nov. 27, 2001
6267917 Rotatable mold apparatus having replaceable molds and replacement methods Jul. 31, 2001
6093011 Apparatus for manufacturing green bricks for the brick manufacturing industry Jul. 25, 2000
5910324 Device for the manufacture of tablets Jun. 8, 1999
5879598 Method and apparatus for encapsulating electronic components Mar. 9, 1999
5869109 Multi-mold closure system Feb. 9, 1999
5820802 Tile making machine and method Oct. 13, 1998
5728327 Method, barrel subunits and units, service installations and assembly structures for the fabrication of moldable products, particularly based on concrete Mar. 17, 1998
5718929 Rotational molding apparatus having fluid cooled arms Feb. 17, 1998
5698238 Rotary tabletting machine Dec. 16, 1997
5672363 Production apparatus for making green compact Sep. 30, 1997
5554394 Rotational thermal molding machine Sep. 10, 1996
5529481 Rotational mold having a divider ring between facing edges of two separable mold shells Jun. 25, 1996
5500178 Method of manufacturing hollow molded articles Mar. 19, 1996
5445513 Apparatus for enhancing concentration Aug. 29, 1995
5443777 Method for producing an invisible tear seam for an air bag deployment opening cover Aug. 22, 1995
5393215 Centrifugal resin transfer molding Feb. 28, 1995
5380183 Venting device for rotocase shell molds Jan. 10, 1995
5366676 Method and apparatus for manufacturing concrete panels by continuous pressing Nov. 22, 1994
5364578 Combination counter rotating packerhead and vibrator assembly and method of operation thereof Nov. 15, 1994
5354526 Process for manufacturing reinforced duroplastic pipes in a centrifugal process and installation for carrying out the process Oct. 11, 1994
5306564 Mold closure system Apr. 26, 1994
5277861 Industrial drum molding Jan. 11, 1994
5225214 Laterally adjustable divider wall for molding two color shells Jul. 6, 1993
5191923 Improved use of self-leveling shims in centrifugal apparatus Mar. 9, 1993
5156818 Biaxial casting apparatus for isolating radioactive waste Oct. 20, 1992
5127816 Molding machine Jul. 7, 1992
5094608 Rotational mold apparatus Mar. 10, 1992
5082484 Apparatus for making quartz glass crucibles Jan. 21, 1992
5074773 Adjustable gasket alignment block Dec. 24, 1991
5046941 Apparatus for molding multicolor thin wall plastic shell Sep. 10, 1991
5033954 Tool for manufacturing a two tone vehicle door shell Jul. 23, 1991
4943227 Compressing machine for making tablets Jul. 24, 1990
4936200 Preparation of individual articles from particulate material Jun. 26, 1990
4936767 Rotational molding of orthodontic retainer Jun. 26, 1990
4925151 Apparatus for molding two-tone colored plastic shells May. 15, 1990
4909718 Structural unit, assembly and apparatus for molding same Mar. 20, 1990
4898697 Rotational slush molding method Feb. 6, 1990
4894004 Apparatus for molding multi-colored plastic shells Jan. 16, 1990
4878827 Plastic shell for foam moldings Nov. 7, 1989

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