| Patents for B29C 45 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor (92,531) | 
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| 07/12/1977 | US4035466 Method for central injection molding | 
| 07/12/1977 | US4035130 Golf grip molding machine | 
| 07/12/1977 | US4035123 Apparatus for electrically testing molded cord-sets during the molding operation | 
| 07/12/1977 | US4034954 Copper-nickel plastic mold alloy and resultant mold | 
| 07/12/1977 | US4034952 Hot plastic injection bushing | 
| 07/12/1977 | US4034951 Gate for injection mold die channel | 
| 07/05/1977 | USRE29294 Press for moulding gramophone records or the like | 
| 07/05/1977 | US4033710 Apparatus for making thermoplastic articles with porous cores and less porous or nonporous skins | 
| 07/05/1977 | US4033485 Multiple passage plastic injection nozzle with heaters | 
| 07/05/1977 | US4033019 Method of assembling bearings | 
| 07/05/1977 | US4033014 Continuous molded slide fastener stringer and method and apparatus for manufacture | 
| 06/28/1977 | US4032611 Molding | 
| 06/28/1977 | US4032277 Injection molding machine with hydraulically operated closure device | 
| 06/21/1977 | US4030869 Locating ring for injection molds | 
| 06/21/1977 | US4030866 Molding apparatus | 
| 06/21/1977 | US4030650 Tail flash removal apparatus | 
| 06/21/1977 | US4030637 Apparatus for dosing and mixing fluid reactants | 
| 06/21/1977 | US4030299 Intensified cylinder assembly | 
| 06/21/1977 | US4030186 Method for facilitating access to the mold halves of a molding machine | 
| 06/14/1977 | USRE29265 Closed cell foam plastic molding machine | 
| 06/14/1977 | US4029841 Injection molding process | 
| 06/14/1977 | US4029728 Method of injection moulding pallets | 
| 06/14/1977 | US4029457 Molding machine | 
| 06/14/1977 | US4029454 Injection molding machine for composite articles | 
| 06/14/1977 | US4029453 Molding apparatus for making a dental floss device with floss tensioning means | 
| 06/07/1977 | US4028458 Method for making hot melt adhesive sticks and other shapes | 
| 06/07/1977 | US4028042 Moulding apparatus | 
| 06/07/1977 | US4028039 Removal of injection moulded products | 
| 06/07/1977 | US4027857 Static mixer for flowable materials, and related method | 
| 05/31/1977 | US4026518 Bushing seal for valve-gated injection mold | 
| 05/24/1977 | US4025269 Mold structure and cavity forming insert arrangement therefor | 
| 05/24/1977 | US4025268 Articles molding apparatus | 
| 05/24/1977 | US4025266 Injection molding machine | 
| 05/24/1977 | US4025264 Die closing unit with retractable tie rods | 
| 05/24/1977 | US4025258 Apparatus for forming support device | 
| 05/24/1977 | US4025255 Apparatus for making lids or containers | 
| 05/24/1977 | US4025022 Die mold | 
| 05/24/1977 | US4024652 Method for forming inserts in shoe soles and the product obtained | 
| 05/17/1977 | US4024008 Uncured adhesive, induction | 
| 05/17/1977 | US4023770 Injection molding die system | 
| 05/17/1977 | US4023466 Apparatus for regulating the speed of and the pressure of fluid upon the ram in the injection assembly of an injection molding machine | 
| 05/10/1977 | US4022565 Mold clamping apparatus for molding machinery | 
| 05/10/1977 | US4022269 Die cast machines | 
| 05/03/1977 | US4021524 Method of making a collapsible tube with an integral cap | 
| 05/03/1977 | US4021515 Plastic injection mold with self-adjusting coring apparatus | 
| 05/03/1977 | US4021182 Actuation apparatus for the movable mold halves or parts of an injection molding machine or the like | 
| 05/03/1977 | US4021181 Tie rod connection for die closing unit of injection molding machine | 
| 05/03/1977 | US4021180 Collapsible core | 
| 05/03/1977 | US4020862 Apparatus for controlling the volume and pressure of a pressure medium in a die-casting machine | 
| 05/03/1977 | US4020709 Device for adjusting the opening travel of the movable plate of a molding machine for plastic materials | 
| 05/03/1977 | US4020633 Programmable hydraulic power controls for injection molding machines | 
| 04/26/1977 | US4020140 Method of making a frusto-conical container having reduced distortion tendencies from a blank seamed by injection molding | 
| 04/26/1977 | US4019849 Rapid parison cooling in injection blow molding | 
| 04/26/1977 | US4019845 Control system for injection-molding machine | 
| 04/26/1977 | US4019711 Mould for closure caps with intermittent threads undercuts or hold-down lugs | 
| 04/26/1977 | US4019564 Casting support for automatic cast trim machines | 
| 04/26/1977 | US4019561 Injection apparatus for die cast machines | 
| 04/19/1977 | US4018427 Electroplating barrel sidewall construction | 
| 04/19/1977 | US4017961 Method of producing drag on an operating rod | 
| 04/12/1977 | US4017582 Injection of a plastic into a mold; for electronic thermometers | 
| 04/12/1977 | US4017242 Injection molding apparatus | 
| 04/12/1977 | US4017237 Injection mold with ultra sonic gating means | 
| 04/12/1977 | US4017236 Mold-clamping mechanism for injection-molding machine | 
| 04/12/1977 | US4017225 Apparatus for the production of synthetic-resin bodies having core and skin of different density | 
| 04/12/1977 | US4016922 Method and apparatus for feeding granulated material | 
| 04/05/1977 | US4016235 Method of making simulated stained glass from moldable plastic material | 
| 04/05/1977 | US4015916 Heating and stratification device for an injection molding machine | 
| 03/29/1977 | US4014974 Pressless injection molding | 
| 03/29/1977 | US4014972 Method of molding a multi-colored disc | 
| 03/29/1977 | US4014966 Method for injection molding a composite foamed body having a foamed core and a continuous surface layer | 
| 03/22/1977 | US4013748 Injection blow molding, expansion | 
| 03/22/1977 | US4013393 Valve-gated injection molding mechanism | 
| 03/22/1977 | US4013392 Injection moulding machines | 
| 03/22/1977 | US4013288 Hockey stick | 
| 03/22/1977 | US4013276 Extruders and injection moulding machines | 
| 03/22/1977 | US4012827 Method for molding composite articles | 
| 03/15/1977 | US4012386 Injection molding, compression molding | 
| 03/15/1977 | US4012053 Splash guard | 
| 03/15/1977 | US4012025 Mold for plastics, particularly multi-component plastics injection mold having blind channel | 
| 03/15/1977 | US4011819 Stress relieved molded cover assembly and method of making the same | 
| 03/08/1977 | US4011035 Apparatus for molding characters on a blank | 
| 03/08/1977 | US4010903 Nozzle for injection molding of thermoplastics | 
| 03/08/1977 | US4010596 Molded part separation and storage | 
| 03/01/1977 | US4010143 Molding compound containing N-methyl-Z pyrrolidone and method | 
| 03/01/1977 | US4009983 Hydraulic mold clamping mechanism for injection molding machine | 
| 03/01/1977 | US4009982 Mechanism for forming an enlarged coupling on the ends of plastic pipe | 
| 03/01/1977 | US4009979 Molding die apparatus | 
| 03/01/1977 | US4009978 Molding system with automatic fluid treatment of mold cavity | 
| 03/01/1977 | US4009946 Iris leaf for optical component | 
| 02/22/1977 | US4008858 Treating device for synthetic resin waste | 
| 02/22/1977 | US4008591 Device for zigzag folding of strip material | 
| 02/15/1977 | US4008305 Plastic | 
| 02/15/1977 | US4008302 Curing | 
| 02/15/1977 | US4008032 Device for the cyclic manufacture of molded parts | 
| 02/15/1977 | US4008031 Apparatus for injection molding lenses | 
| 02/15/1977 | US4008027 Apparatus for forming a piping bead | 
| 02/15/1977 | US4007922 Extruding device for high molecular materials | 
| 02/08/1977 | US4006879 Degating | 
| 02/08/1977 | US4006642 Apparatus for a multi-part injection mold for measuring the degree of filling of the hollow mold compartment or the closure pressure of the mold | 
| 02/01/1977 | US4006210 Method of molding a seal with balanced pressures on a preform |