| Patent Number |
Title Of Patent |
Date Issued |
| RE31522 |
Salt of a polyamide and functional fluid containing same |
February 14, 1984 |
| Polyoxyalkylene polyamide lubricants having a terminal carboxylic acid group and a terminal amine group in the same molecule and a degree of polymerization of from 2 to 10 and salts thereof are provided. Stable aqueous based compositions are prepared from the polyamide or its salt, t |
| RE30885 |
Novel diamide and lubricants containing same |
March 23, 1982 |
| Carboxylic acid terminated diamides and alkali metal, ammonium or amine salts thereof are provided which are derived from the reaction of organic polycarboxylic acids and polyoxyalkylene diamines. The diamides have lubricating properties and are especially useful in aqueous metal working |
| RE30335 |
Nozzle shut-off device |
July 15, 1980 |
| In an injection molding apparatus, wherein a plasticizing chamber has a nozzle attached to one end thereof, with the nozzle having a passageway therein and being in communication with the sprue of a mold, the improvement which constitutes a compact, pneumatically-powered, reciprocabl |
| RE30130 |
Liquid reaction molding press |
October 30, 1979 |
| A clamp for holding together the portions of a mold used in molding solid objects from a reacting liquid such as polyurethane has a C-shaped frame which is pivotally mounted on a pedestal to swing through an arc. The C-shaped frame of the clamp consists of an integral structure having an |
| RE30016 |
Method and apparatus for compensating for unprogrammed changes in relative position between a ma |
May 29, 1979 |
| A method and apparatus are disclosed for modifying command signals representing predetermined positions of a machine element relative a workpiece as a function of measurable unprogrammed changes in the relative position therebetween. The machine element is responsive to a servomechan |
| RE28913 |
Mildness additive |
July 20, 1976 |
| The degree of skin irritation of detergent compositions is reduced by adding to the detergent compositions small amounts of a hydroxyl derivative of a polymerized fatty acid or a hydroxyl derivative of a hydrogenated (saturated) polymerized fatty acid, e.g. the hydroxy derivative of |
| D365811 |
Bezel |
January 2, 1996 |
|
| D364916 |
Collet |
December 5, 1995 |
|
| D357484 |
Injection molding machine |
April 18, 1995 |
|
| D349758 |
Collet |
August 16, 1994 |
|
| D348274 |
Tool pocket for the storage of tools in a machine tool assembly |
June 28, 1994 |
|
| D312821 |
Data input/output terminal |
December 11, 1990 |
|
| D312078 |
Combined display screen bezel and keyboard mounting panel |
November 13, 1990 |
|
| D308359 |
Pendant control housing |
June 5, 1990 |
|
| D307282 |
Industrial robot |
April 17, 1990 |
|
| D293116 |
Industrial robot |
December 8, 1987 |
|
| D274184 |
Carrier body |
June 5, 1984 |
|
| D269681 |
Robot arm |
July 12, 1983 |
|
| D268911 |
Bore depth and face squareness gage |
May 10, 1983 |
|
| D268754 |
Card cage module |
April 26, 1983 |
|
| D268033 |
Robot arm |
February 22, 1983 |
|
| D256247 |
Toolchanger arm |
August 5, 1980 |
|
| D255453 |
Toolchanger arm |
June 17, 1980 |
|
| D255452 |
Toolchanger arm |
June 17, 1980 |
|
| 6086353 |
Two-stage electric injection unit with rotating plunger |
July 11, 2000 |
| The invention is directed to a two-stage, all-electric injection unit. More specifically, an injection unit in which the feed screw is preferably used only for plastication and the injection of the plasticized material is accomplished by a separate accumulator having an electrically driv |
| 6011376 |
Method and apparatus for injection molding machine control |
January 4, 2000 |
| A method and apparatus for verification of the linear position of a machine element driven by a motor is provided. The actual position of the element is detected and compared to an expected position. When the two positions differ from each other by more than a predetermined tolerance val |
| 5929583 |
Method and apparatus for detecting aberrant motor operation in a plastics processing machine |
July 27, 1999 |
| A method and apparatus for detecting an aberrant velocity of a motor used to drive an element in a plastics processing machine, such as an injection molding machine, for example. The velocity of the motor is detected by a first sensor and a machine parameter associated with the machine o |
| 5916602 |
Injection molding machine having a hydraulically operated clamping system |
June 29, 1999 |
| An electro-mechanical drive apparatus uses a single variable speed motor, two one-way clutches, and a hydraulic accumulator to provide both hydraulic power for the linear motion axes and rotation of the plasticizing screw in an injection molding machine. When engaged, the first one-w |
| 5900260 |
Accumulator head having a segmented barrel |
May 4, 1999 |
| An accumulator head is convertible to alternate capacity ranges by providing a construction that has a segmented barrel with a matching ram in the purging system. More specifically, the accumulator barrel is divided into upper and lower segments so that the accumulator chamber is bou |
| 5895670 |
Two-platen injection molding machine without tie bars |
April 20, 1999 |
| A two-platen injection molding machine without tie bars has a platen fixed relative to the machine frame and a platen that moves relative to it, a traverse mechanism that operates the movable platen, a device for generating clamping force and a device to compensate for the deformation |
| 5889201 |
Characterization of fluid misting |
March 30, 1999 |
| A method and apparatus for measuring a misting property of fluids, the method and apparatus simulating mist generation of fluids in machining processes. Fluid is supplied to mist generating means in an enclosure and energy input to the fluid by the mist generating means is controlled. Mi |
| 5874390 |
Aqueous machining fluid and method |
February 23, 1999 |
| An aqueous machining fluid admixture comprises water, a sulfurized oil and a water soluble salt of a dimercaptothiadiazole wherein the weight ratio of the sulfurized oil to the water soluble salt of dimercaptothiadiazole is in the range of from about 15:1 to about 45:1. A method employs |
| 5863567 |
Two-stage electric injection unit for a molding machine |
January 26, 1999 |
| The invention is directed to a two-stage, all-electric injection unit. More specifically, an injection unit in which the feed screw is preferably used only for plastication and the injection of the plasticized material is accomplished by a separate accumulator having an electrically driv |
| 5807517 |
Preheating for an extruder |
September 15, 1998 |
| An apparatus for heating and blending thermoplastic material prior to delivering the material into the barrel of an extruder. The apparatus, has an elongated housing which contains two intermeshing feed screws that are driven to rotate in the same direction. Controlled heating is provide |
| 5792486 |
Retainer for the die pin in an accumulator head |
August 11, 1998 |
| The accumulator of an extrusion blow molding machine is constructed so that the programming cylinder and die adjustment rod have axially aligned bores to receive a die pin retaining rod. The retaining rod holds the die pin in place by means of a lower split ring that nests inside the die |
| 5766057 |
Centerless grinding machine |
June 16, 1998 |
| Grinding and regulating wheels are carried on opposed feed slides on a machine base. A workrest is fixed to the base between the opposed wheels. Wheel dressers are mounted to cross-slides on the base, behind the wheels, independent of the feed slides. CNC dressing occurs through combined |
| 5750158 |
Preheating apparatus for an extruder |
May 12, 1998 |
| An apparatus for heating and blending thermoplastic material prior to delivering the material into the barrel of an extruder has an elongated housing which contains two intermeshing feed screws that are driven to rotate in the same direction. Controlled heating is provided by electric |
| 5739607 |
Hybrid spindle bearing |
April 14, 1998 |
| A machine tool spindle is supported at its spindle nose in a front, rolling element mechanical anti-friction thrust and radial support bearing means. The middle and rear end of the spindle is supported in a magnetic radial rear bearing and further supported at a generally mid-position of |
| 5738749 |
Method of using a variable force compactor |
April 14, 1998 |
| A head is positionable close to a supported composite material. A compactor on the head is movable relative to the head by a fluid actuator. A programmable valve means ports air into the actuator at several different pressures to provide variable compaction force. |
| 5716917 |
Machining fluid composition and method of machining |
February 10, 1998 |
| An aqueous machining fluid composition having improved resistance to microorganisms is provided. The fluid composition comprises in admixture: a) water, b) a water insoluble organic lubricant, c) a surface active agent selected from the group consisting of nonionic, anionic having up to |
| 5711349 |
Flow divider with diverter valve |
January 27, 1998 |
| The present invention provides a dual flow divider for use on an extruder. The flow divider is configured to separate the melt stream received from the extruder at a central entry into two flow channels, the respective channels being formed as nearly to identical (mirror image) as is |
| 5710372 |
Method of analysis for aqueous fluids |
January 20, 1998 |
| A simple, convenient method is provided for measuring the concentration of a constituent of an aqueous fluid composition (e.g. aqueous machining fluid composition) and for measuring total alkalinity thereof. The method comprises the steps of a) contacting a solid state test device with t |
| 5669751 |
Transport system for workpieces |
September 23, 1997 |
| A machine guard has an opening with a detachable door; i.e., sliding tracks and hinges are not used for door support. When an outside loader arm and its part grippers move to the door, the door is unlatched from the guard and attached to the arm. The arm and grippers then move through th |
| 5667349 |
Method of making pull tabs and lubricant therefor |
September 16, 1997 |
| An improved process for making metallic pull tabs is provided. In accordance with the improved pull tab making process comprising the steps of feeding a strip of metal into a pull tab forming die and forming the metallic pull tab the step of forming the pull tab is carried out in the |
| 5645873 |
Electromechanical drive assembly for an accumulator head |
July 8, 1997 |
| An accumulator head for a blow molding machine uses an electromechanical drive assembly for the purging and programming functions. The purging actuator of the drive assembly includes a ball screw and nut assembly in which the ball screw is rotated by an electric motor to move the ball nu |
| 5645868 |
Drive apparatus for an injection unit |
July 8, 1997 |
| An electro-mechanical drive apparatus uses a single motor and three one-way clutches to provide both injection and extruder functions in the injection unit of an injection molding machine. When engaged, the first one-way clutch couples the feed screw to the frame of the injection unit, t |
| 5634953 |
Extruder venting system with vacuum shuttle valve |
June 3, 1997 |
| The present invention provides a barrel venting system for use on an extruder. Gases that are generated during plasticizing are drawn by vacuum through a filter to remove plastic particles before the gas is exhausted to the atmosphere. To enable cleaning of the filter without interruptin |
| 5620646 |
Method for cooling electrical components in a plastics processing machine |
April 15, 1997 |
| A cooling method that involves circulating a liquid coolant through the motor housings and mounting surfaces for electrical/electronic components, such as the electric motors and associated electronic drives, in electric plastic processing machines. Specifically, the motors are provided |
| 5616350 |
Dual flow divider with diverter valve |
April 1, 1997 |
| The present invention provides a dual flow divider for use on an extruder. The flow divider is configured to separate the melt stream received from the extruder at a central entry into two flow channels, the respective channels being formed as nearly to identical (mirror image) as is |
| 5601773 |
Co-injection machine |
February 11, 1997 |
| A pair of injection units and a common co-injection manifold are carried on a slide mounted a machine base. The machine base carries a mold element, and the injection units and manifold are moved in unison with respect to the mold element. The injection units are, in turn, carried on sli |
