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Browse by Category: Main > Material Science
Class Information
Number: 425/468
Name: Plastic article or earthenware shaping or treating: apparatus > Core and positioning means therefor
Description: Apparatus comprising a core and means to move or maintain the position of said core.


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7618577 Two-shot injection molding apparatus and method Nov. 17, 2009
7575706 Mold and molding process Aug. 18, 2009
7559763 Dual material injection mold and method Jul. 14, 2009
7540734 Press molder and cushion ring Jun. 2, 2009
7503758 Syntactic tunnel core Mar. 17, 2009
7431580 Mold for forming workpiece Oct. 7, 2008
7311506 Actuator base nubbin alignment Dec. 25, 2007
7300271 Injection mold insert block alignment system Nov. 27, 2007
7267788 Cavity-creating tool for foaming operation Sep. 11, 2007
7261469 Precision insert for molding ferrules and associated methods of manufacture Aug. 28, 2007
7255320 Mold for a plastic filter Aug. 14, 2007
7255553 Light guide plate mold core and method for manufacturing the same Aug. 14, 2007
7226282 Charge roller of developing device for image forming apparatus, method for fabricating the same and tool for fabricating charge roller Jun. 5, 2007
7220114 Equipment and process for producing a molded article May. 22, 2007
7210917 Two position double injection molding apparatus May. 1, 2007
7198247 Mandrel for producing quartz glass and production method for optical fiber mother material, optical fiber and quartz glass body using the same Apr. 3, 2007
7112055 Nitinol frame heating and setting mandrel Sep. 26, 2006
7086847 Guide block assembly for molding multi-fiber connectors Aug. 8, 2006
7086848 Plastic container injection-moulding machine equipped with quick mould-change arrangement Aug. 8, 2006
7077642 Plunger molding machine with tapered bore and thermal transfer fins Jul. 18, 2006
7074027 Extrusion die and method for forming dual wall corrugated plastic pipe and dual wall plastic pipe having a foam annular core Jul. 11, 2006
7065986 Molding assembly Jun. 27, 2006
7000885 Apparatus and method for forming a sol-gel monolith utilizing multiple casting Feb. 21, 2006
6994536 Die module for a crosshead extrusion system Feb. 7, 2006
6966765 Rotating circular die Nov. 22, 2005
6902388 Pivotally adjustable die Jun. 7, 2005
6887063 Processing mold including unitary movable mandrel for preparing tire support May. 3, 2005
6863521 Translation device for an injection molding apparatus Mar. 8, 2005
6843461 Mold for producing depressions in the sides of a molded block Jan. 18, 2005
6827322 Recoverable improved casing for the manufacture of recesses Dec. 7, 2004
6805547 Mold assembly for forming a wax pattern in the shape of a golf club head Oct. 19, 2004
6789301 System and method for spotting movable mold cores Sep. 14, 2004
6773642 Method of forming a concrete retaining wall block in a front face up position Aug. 10, 2004
6769900 Molding processes and equipment for forming golf balls Aug. 3, 2004
6767196 Manufacturing apparatus for producing a multi-fiber optical ferrule Jul. 27, 2004
6767199 Precision insert for molding multi-fiber connectors and method for manufacturing thereof Jul. 27, 2004
6761555 Device for automatically producing an opening or cavity in the side of a ceramic product during molding in a mould Jul. 13, 2004
6740281 Three-dimensional articles of indeterminate axial length May. 25, 2004
6719927 Optical connector ferrule, mold therefor, method of manufacturing optical connector ferrule, and method of inspecting optical connector ferrule Apr. 13, 2004
6688873 Plug assist quick change mounting for thermoformer tooling Feb. 10, 2004
6672857 Device for introducing a coating into pipes Jan. 6, 2004
6669986 Process for manufacturing multilayer pellets and use of the multilayer pellets Dec. 30, 2003
6663377 Precision insert for molding multi-fiber connectors and method for manufacturing thereof Dec. 16, 2003
6659761 Slider mechanism Dec. 9, 2003
6626655 Casting mould for forming sanitary appliances Sep. 30, 2003
6604930 Concrete block molding machinery Aug. 12, 2003
6558147 Molding device for molding rotator May. 6, 2003
6554605 Fishing lure mold and method of using the same Apr. 29, 2003
6442976 Liquid cooling of glassware molds Sep. 3, 2002
6406654 Wax pattern mold with stripable core Jun. 18, 2002

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