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Class Information
Number: 264/328.9
Name: Plastic and nonmetallic article shaping or treating: processes > Mechanical shaping or molding to form or reform shaped article > Shaping against forming surface (e.g., casting, die shaping, etc.) > Applying heat or pressure > Introducing material under pressure into a closed mold cavity (e.g., injection molding, etc.) > Including operation or design to minimize formation of gate, sprue, or flash
Description: Processes in which the process is carried out so as to minimize or eliminate the formation of undesired waste material.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7547406 |
Method for the direct and continuous production of hollow articles from a polymer melt |
Jun. 16, 2009 |
| 7501086 |
Encapsulation method for leadless semiconductor packages |
Mar. 10, 2009 |
| 7500844 |
Mold and method of injection molding objects made of polymeric materials and object obtained therefrom |
Mar. 10, 2009 |
| 7491051 |
Mold clamping apparatus, injection molding machine and injection molding method |
Feb. 17, 2009 |
| 7367797 |
Needle valve for filling a mold with an organic material in the liquid state |
May. 6, 2008 |
| 7229585 |
Molded plastic rod with improved break strength |
Jun. 12, 2007 |
| 7168943 |
Guided valve pin for an injection molding apparatus |
Jan. 30, 2007 |
| 7156651 |
Apparatus for injection molding articles |
Jan. 2, 2007 |
| 7122143 |
Methods for manufacturing dosage forms |
Oct. 17, 2006 |
| 7040887 |
Closable nozzle body |
May. 9, 2006 |
| 7037103 |
Apparatus for injection molded articles |
May. 2, 2006 |
| 7008585 |
Mechanism for making openings in plastic parts within a mold tool |
Mar. 7, 2006 |
| 6939500 |
Method and apparatus for eliminating a parting line witness mark from a molded part |
Sep. 6, 2005 |
| 6887407 |
Method for producing a laminated article |
May. 3, 2005 |
| 6887419 |
De-gating mold for injection molding of elastic materials |
May. 3, 2005 |
| 6884381 |
Injection molding method and device |
Apr. 26, 2005 |
| 6840758 |
Valve bushing assembly |
Jan. 11, 2005 |
| 6832909 |
Injection nozzle for plastic injection moulding equipment |
Dec. 21, 2004 |
| 6830447 |
Valve gate assembly for injection molding |
Dec. 14, 2004 |
| 6805819 |
Method of manufacturing concrete form |
Oct. 19, 2004 |
| 6767494 |
Method and apparatus for injection molding a threaded syringe plunger rod |
Jul. 27, 2004 |
| 6767489 |
Method to mold round polyurethane rollers free of injection gates, parting lines and bubbles |
Jul. 27, 2004 |
| RE38480 |
Injection nozzle and method for injection molding |
Mar. 30, 2004 |
| 6696006 |
Mold for flashless injection molding to encapsulate an integrated circuit chip |
Feb. 24, 2004 |
| 6676401 |
In-mold gate opening and closing mechanism and metal mold for injection molding |
Jan. 13, 2004 |
| 6669891 |
Method and apparatus for producing brake lining material |
Dec. 30, 2003 |
| 6645417 |
Gateless molding |
Nov. 11, 2003 |
| 6638050 |
Injector for injection moulding of plastic materials |
Oct. 28, 2003 |
| 6604933 |
Universal nozzle tip for injection molding |
Aug. 12, 2003 |
| 6599116 |
Valve pin actuator |
Jul. 29, 2003 |
| 6592352 |
Offset edges mold for plastic packaging of integrated semiconductor devices |
Jul. 15, 2003 |
| 6579486 |
Manufacturing method for flanged resin product |
Jun. 17, 2003 |
| 6579488 |
Process for producing a thermoplastic resin molded article |
Jun. 17, 2003 |
| 6562271 |
Nonslip member and manufacturing method of nonslip member |
May. 13, 2003 |
| 6558597 |
Process for making closed-end ceramic tubes |
May. 6, 2003 |
| 6482284 |
Method of making a dental mill blank and support stub assembly |
Nov. 19, 2002 |
| 6464910 |
Injection moulding of large plastic components |
Oct. 15, 2002 |
| 6426032 |
Method of injection-molding coil spool of ignition coil device |
Jul. 30, 2002 |
| 6355197 |
Process and apparatus for forming plastic articles |
Mar. 12, 2002 |
| 6348171 |
Drool control apparatus and method |
Feb. 19, 2002 |
| 6294123 |
Metal mold for producing a synthetic resin molded product |
Sep. 25, 2001 |
| 6294122 |
Electric actuator for a melt flow control pin |
Sep. 25, 2001 |
| 6290481 |
Flash-free mold structure for integrated circuit package |
Sep. 18, 2001 |
| 6258306 |
Method for adjustment of adjustable mold gate |
Jul. 10, 2001 |
| 6245279 |
Sliding edge gate for a hot runner mold |
Jun. 12, 2001 |
| 6228303 |
Disappearing gate tab |
May. 8, 2001 |
| 6214275 |
Injection nozzle and method for injection molding |
Apr. 10, 2001 |
| 6187243 |
Method of resin molding |
Feb. 13, 2001 |
| 6159000 |
Valve gated injection molding device |
Dec. 12, 2000 |
| 6149417 |
Apparatus for forming plastic articles |
Nov. 21, 2000 |
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