Matches 251 - 300 out of 522 < 1 2 3 4 5 6 7 8 9 10 11 >
Match Document Document Title
5114329 Mold unit for injection molding  
A mold unit for injection molding having an outer frame in two sections is capable of receiving inside molds with flanges. The inside molds with flanges are mounted and removed through the use of...
5112556 Golf ball apparatus and method for manufacture  
One or multiple piece golf balls are manufactured by a hot gate injection molding process in which a polymer is injected into a precise cavity defined by mating mold halves. Each individual set of...
5110283 Injection molding machine having a precision clamping unit  
A device for precisely aligning, mating and clamping two injection mold plates, in which device, a first mold plate is rigidly attached to a support table and a second mold plate is slidably guided...
5108689 Injection molding method with compression for hardening  
A predetermined amount of melted thermoplastic resin of raw material is injected into a molding space which is previously set to a temperature higher than that at which the resin beings to harden...
5104308 Mold plate control mechanism for a multiple plate mold  
One aspect of the invention is a mechanism for controlling the movements of the plates in a multiple plate mold. The mold is secured to a press in an injection molding system having a support plate...
5096405 Powered mounts for quickly mounting mold parts on molding machine platens  
A mounting plate attachable to a molding machine platen has a plurality of retention slots. A plurality of hydraulically-actuated clamps have heads in respective retention slots. Each clamp...
5096404 Quick mold change arrangement for injection molding machines  
A quick mold change arrangement positions and retains a mold tool in an operational mode in a mold press without the use of hydraulics. The tool is equipped with common quick change plates, and...
5091124 High tonnage rim press  
A high tonnage reaction injection molding (RIM) press has fixed and movable platens for clamping a composite mold therebetween at a closed mold position. A plurality of high pressure hydraulic...
5078590 Mold clamping device for an injection molding machine  
A mold clamping device is provided for an injection molding machine having a stationary mold half and a movable mold half supported by a movable plate. A drive rod is connected at one end to this...
5069613 Crank type mold clamping apparatus with variable stroke  
A crank mold clamping apparatus capable of variably adjusting a mold-opening stroke for permitting usage of various types of molds which includes a numerical control apparatus for controlling a...
5066217 Clamping apparatus for an injection molding machine  
A clamping system includes a fixed platen fixed to one end of a machine base and a plurality of clamping cylinders, the fixed platen holding a fixed mold therein, a movable platen fixed to the...
5061175 Clamping cylinder system  
A clamping cylinder system used in a diecast machine and the like and includes a clamping cylinder and a booster cylinder. The booster cylinder has two chambers different in inner diameters, and a...
5056997 Apparatus for injecting a gas into molten resin in a cavity of an injection molding machine  
A gas injection technique of injecting an inert gas (e.g., nitrogen gas) into a molten resin in a cavity, involves utilizing the strokes of reciprocation of a piston in the compression cylinder are...
5056999 Apparatus for forming objects from a moldable material  
An apparatus for forming objects from a moldable material such as wax. The apparatus includes upper and lower mold pieces having upper and lower mold cavity halves attached thereto. A lever arm...
5052915 Sequential injection molding machine  
An injection molding machine and method of operation is disclosed having a plurality of accessory arrangements for molding a plurality of piece parts in efficient overlapping time cycle using...
5052909 Energy-conserving injection molding machine  
A hydraulic injection molding machine incorporates a pump driven by a variable speed motor preferably of the brushless DC type. The machine controller outputs driving signals to adjust the speed of...
5052910 Clamping unit for injection molding machine  
A clamping unit has a hydraulic actuating assembly including at least two locking cylinders provided with respective locking pistons, which are connected by piston rods to a movable mold carrier....
5051087 Injection molder with two movable molds  
An injection molder with two movable molds is composed of a mold-matching device, an injection device, a hydraulic system and an electric control system, which only uses two movable molds, by means...
5044927 Mold clamping equilization system  
Injection molding machines for making plastic articles having a stack mold arrangement frequently suffer from the problem of unbalanced forces. Various novel techniques for counteracting and/or...
5043129 Hold-pressure control and clamping in stacked multi-parting molding system having desynchronized injection periods  
A system and method of controlling hold pressure applied to molding cavities of a stacked multi-parting injection molding system having desynchronized injection periods while cyclic injection...
5035599 Combined injection-molding and pressing machine  
In a combined injection-molding and pressing machine according to the present invention, an injector (10a) of horizontal injection apparatus (10) is disposed below a stationary die plate (2) of a...
5033955 Article mold handling apparatus  
Mold handling apparatus especially adapted for use in a reaction injection molding machine. A pair of platens is supported in a frame, and one of the platens is adaped to be moved toward and away...
5012568 Method for installing and replacing parts in an injection molding machine  
The present invention relates to an injection molding machine having a novel key/slot arrangement for facilitating installation and removal of a central mold portion. The novel key/slot arrangement...
4998873 Mold station for a blow molding machine  
A rotary blow molding machine includes a plurality of mold stations on a rotary carousel. Each mold station includes an elongated support body, such as multiple tie rods, with a first of the mold...
4988273 Injection molding machines having a brushless DC drive system  
An injection molding machine utilizing brushless DC motors in its servomechanism drive systems. Brushless DC motors provide a cost effective high power drive system which has the simplicity of...
4986944 Anti-collision method and apparatus for an injection mold  
A method and apparatus for effecting an accurate, clsoe tolerance guidance between relative movable male and female mold elements operable at high speed to mold thin wall articles free of the risk...
4979891 Mold for molding optical disk base  
A mold for forming an optical disk base provided with a movable specular plate, a stationary specular plate, and an annular stamper having inner and outer peripheral edges. The reverse surface of...
4976602 Motor-operated die clamping mechanism of an injection-molding machine  
A motor-operated die clamp mechanism produces a great clamping force even with use of small-output motors, and is adapted for use in a motor-operated injection-molding machine. Screw portion (13a,...
4971747 Hold pressurization by confining runner systems of adjustable feed system in multiple reciprocal stack molding system  
A system and method of cyclic injection molding a plastic material by controlling hold pressure and transferring plastic material to molding cavities of a stacked multi-parting injection molding...
4971548 Injection molding halves for disks  
Injection molding halves for forming disks having a plurality of cavities between a stationary mold unit, in which a plurality of sprue bushings and a runner with gates for introducing molten resin...
4966738 Mold clamping force adjustment method  
During a mold thickness adjustment process of an injection molding machine, a mold touch position at which the mold halves of a mold contact each other is detected, and the mold temperature is...
4950146 Motor control device for electric injection molding machine  
A motor control device for an electric injection molding machine. The injection molding machine has a screw rotating mechanism including a rotary shaft associated with one end of a resin feeding...
4950154 Combination injection mold and sprue bushing  
A quick set sprue bushing for use in combination with injection molding apparatus. The bushing is made from a beryllium-free alloy that will rapidly dissipate heat. The alloy is of the copper,...
4948358 Die clamping apparatus  
A die clamping apparatus includes a fixed die plate for holding a fixed die, a movable die plate for holding a movable die, and structure for actuating the movable die plate to advance or retreat...
4948359 Mold holding and positioning means for use with wax injector  
The present invention relates to a wax mold holding and positioning apparatus for use with a wax injector machine where a pressure holding means uniformly clamps a two piece wax mold together and a...
4929166 Support for quick mold changing  
The present invention relates to an injection molding machine having a novel key/slot arrangement for facilitating installation and removal of a central mold portion. The novel key/slot arrangement...
4923388 Injection metal mold  
A injection metal mold wherein a metal mold body having an article forming section therein and a metal mold fixing frame separately formed from the metal mold body, and on which the metal mold body...
4905348 Double-gated extrusion die for sausage links  
An apparatus for shaping a flowable product such as meat is provided which includes a main body or structure having a plurality of forming passageways extending therethrough. An inlet gate and an...
4906173 Compressor unit in an injection-compression molding machine  
A compressor unit of an injection-compression molding machine having a movable platen and a stationary platen. The compressor unit includes a compression pin (32) fixed to the end of a ball screw...
4904177 Vertical press for the moulding of plastics materials, particulary thermosetting plastics materials  
A vertical press for the moulding of plastics materials, particularly thermosetting plastics materials includes a fixed plate and a movable plate slidable on guide columns, a first fluid-operated...
4902220 Vertical injection molding machine  
A vertical injection molding machine having an upper die (26) and a lower die (27) which are adapted to be brought together in the vertical direction by the force produced by a die closing device....
4900243 Molding apparatus  
A molding apparatus for producing a molding from multi-component plastic, especially polyurethane. The upper and lower parts of the mold are fastened, respectively, on mold holders of which at...
4889478 Apparatus for operating an injection compression molding machine  
In an apparatus of operating an injection compression molding machine having a stationary metal mold, a movable metal mold, an oil pressure actuator for advancing the movable metal mold toward the...
4883671 Manufacturing machine for sagged self-supporting cable  
A manufacturing machine for sagged self-supporting cable includes a turntable and a drive member for imparting rotation to the turntable. Several die casting members include molds designed to...
4881891 Mold side wall locking apparatus  
A mold assembly having a support member which is moveable in a direction of travel both toward and away from an end plate and supporting individual mold side walls which are slideably moveable...
4878828 Closing device for manufacturing articles of thermoplastic material  
A closing device for molds for the manufacture of articles of thermoplastic material. Two die plates are linearly displaceable on guide beams and movable by means of a power drive in opposite...
4877388 Mold clamping apparatus in an injection molding machine  
A mold clamping apparatus having a plurality of servomotors for drivingly rotating a ball screw as a spindle. A driven timing gear pulley is mounted on a ball nut threadedly engaged with the ball...
4875849 Rubber shaping machine  
A rubber shaping machine includes an upper mold, an upper middle mold, a lower middle mold, and a lower mold operated by a main oil cylinder and two auxiliary cylinders so as to open the mold in...
4867666 System for the rapid clamping of dies on a horizontal press for the injection moulding of plastics materials  
A system for the rapid clamping of dies on a horizontal press for the injection moulding of plastics materials consists of a pair of structures fixed permanently along two opposite sides of the...
4865536 Direct mold clamping apparatus with ejector  
There is provided a direct mold clamping apparatus with an ejector, which is capable of uniformly applying a mold clamping force to a movable platen and is simple in construction and compact in...
Matches 251 - 300 out of 522 < 1 2 3 4 5 6 7 8 9 10 11 >