| Patent Number |
Title Of Patent |
Date Issued |
| 7325418 |
Press forming system for glass |
February 5, 2008 |
| The present invention is directed to reduce the total footprint of a press forming system for glass having a plurality of press units, and also to increase an actual availability of each press unit. A plurality of press units are arranged in two parallel rows and a first transfer robot i |
| 7322814 |
Film or sheet forming apparatus |
January 29, 2008 |
| To form a film or sheet relatively thin and needing a high degree of precision in thickness, such as for an optical use, while suppressing temperature fluctuations at one side opposite to the other side in contact with an outer peripheral surface of a roll (11), an outer peripheral s |
| 7252796 |
Ejecting load monitoring method for injection molding machine |
August 7, 2007 |
| A movable die is held on the front face of a movable platen. Ejector pins are incorporated in the movable die. An ejector unit that is provided with an ejector plate, actuator rods, etc., is mounted on the back of the movable platen. In ejecting a molded product from a die face, the ejec |
| 7147450 |
Injection apparatus |
December 12, 2006 |
| An injection apparatus comprises a screw drive shaft, a motor which generates torque to rotate the screw, a speed reducer, and a power transmission mechanism. The power transmission mechanism has a first pulley on an output shaft of the motor, a second pulley on an input shaft of the |
| 7134298 |
Method of press-forming glass |
November 14, 2006 |
| An object of the present invention is to provide a press-forming method for glass capable of uniformly heating press dies and a preform and preventing oxidation of the press dies. According to the press-forming method for glass of the present invention, a preform is placed between a |
| 7036980 |
Apparatus and method for forming pattern |
May 2, 2006 |
| A pattern forming apparatus includes a drawing chamber having a drawing substrate on which an original pattern is drawn, a first temperature control unit having a first temperature regulator to make the temperature of the drawing chamber constant, and a constant-temperature member ar |
| 7005998 |
Malfunction-detection method during die clamping step in injection molding machines |
February 28, 2006 |
| The present invention relates to a method of detecting a malfunction during a die clamping step in an injection molding machine. A reference pattern is taken which shows a relation between a die clamping force and a position of a movable platen when die clamping is normally carried out. |
| 6984120 |
Electric direct-acting die clamping unit of an injection molding machine |
January 10, 2006 |
| An object of the present invention is to suppress a clamping force from sharply increasing when dies are clamped in an electric direct-acting die clamping unit of an injection molding machine. A movable platen is arranged to face a stationary platen. A stationary die is attached to the |
| 6980882 |
Display apparatus of injection molding machine |
December 27, 2005 |
| When text information is inputted as electronic data from an operation panel of a display apparatus, which functions as a human-machine interface of an injection molding machine, an operation panel controller of the display apparatus stores the electronic data of the inputted text in |
| 6931300 |
Control device for injection molder determining whether user of injection molder is registered |
August 16, 2005 |
| A control device which controls an industrial machine according to an aspect of the invention includes a unit which determines whether the user is a registrant registered in advance, a unit which, when the user is determined to be the registrant, selects one of a setting permission state |
| 6928838 |
Apparatus and method for forming silica glass elements |
August 16, 2005 |
| The forming apparatus has top and bottom die assemblies which form a heated silica glass material by press forming. These top and bottom die assemblies include, respectively, mold dies, which are made of isotropic carbon, and core molds, which are made of vitrified carbon. The heating |
| 6914537 |
Method for monitoring operation data of an injection-molding machine |
July 5, 2005 |
| The present invention is directed to a method of monitoring operation data for quality control with a little possibility that a nondefective product is mistakenly determined as a defective product even if the operation data fluctuates in a large waviness curve. Every time an operation da |
| 6906631 |
Malfunction-detection method during die clamping step in injection molding machines |
June 14, 2005 |
| The present invention relates to a method of detecting a malfunction during a die clamping step in an injection molding machine. A reference pattern is taken which shows a relation between a die clamping force and a position of a movable platen when die clamping is normally carried out. |
| 6848274 |
Apparatus for forming glass elements |
February 1, 2005 |
| Provided is an apparatus for forming glass elements, which includes top and bottom die assemblies, each of the die assemblies comprising a core mold, a mold die which supports the core mold, and a die plate, and a glass material being interposed between the top and bottom core molds, a f |
| 6823697 |
Press forming machine for optical devices |
November 30, 2004 |
| An object of the present invention is to provide a press forming machine for glass optical devices which is superior in the temperature uniformity and has a low manufacturing cost. An upper die is fixed to a lower end of a fixed shaft, and a lower die is fixed to an upper end of a moving |
| 6823695 |
Press-forming system for glass |
November 30, 2004 |
| An object of the present invention is to enable to use a common transfer machine for transferring performs to and for transferring products from a press-forming system for glass having a plurality of press units. The press-forming system for glass has a plurality of press units. A linear |
| 6802703 |
Injection unit of electric injection molding machine |
October 12, 2004 |
| The tail end of a heating barrel is supported by a front plate. The tail end portion of a screw is rotatably supported by an intermediate plate. Bearings are built in the rear plate. The nut of each of ball screws is attached to the front surface of the rear plate through a hollow shaft |
| 6783353 |
Injection unit of injection molding machine |
August 31, 2004 |
| A front plate and rear plate are connected to each other through a plurality of the bars. An intermediate plate is arranged between the front plate and the rear plate and guided by the tie bars to be movable. The front plate is fixed to a slide table. The rear plate and intermediate |
| 6755635 |
Apparatus for protecting mold in injection molding machine |
June 29, 2004 |
| There is disclosed a mold protection apparatus of an injection molding machine in which a cross head position and movable mold position are read from a correspondence table, a calculator calculates a thrust force limit value set with respect to a movable mold, and a cross head position |
| 6736901 |
Vertical chemical vapor deposition system |
May 18, 2004 |
| A susceptor is arranged in a reaction chamber, and an induction heating coil is arranged at a lower side of the susceptor. A ceiling of a bell jar is provided with an observation port, and an infrared radiation thermometer is arranged outside the observation port. A control unit cont |
| 6699026 |
Injection molding apparatus |
March 2, 2004 |
| An injection molding apparatus comprises a cell assembly that has a tiered frame. The tiered frame is provided with lower unit storage sections and upper unit storage sections. The lower unit storage sections are provided with holders, individually, and injection molding machine units ar |
| 6695995 |
Apparatus and method for setting position of movable mold of motor-driven injection molding mach |
February 24, 2004 |
| A cross head position corresponding to a movable mold position set by a movable mold position setting unit is read out from a correspondence table, the position of the cross head is controlled by a cross head position controlling unit via a servo-motor, and the position of the cross |
| 6673282 |
Method for protecting dies in an injection molding machine |
January 6, 2004 |
| A stationary die is held on the front surface of a stationary platen and a movable die is held on the front surface of a movable platen. A plurality of monitoring sections are set in advance within a moving range of the movable platen and an upper limit of forward thrust of the movable p |
| 6669877 |
Malfunction-detecting method in injection molding machines |
December 30, 2003 |
| This invention provides a method which makes it possible to reliably detect malfunctions during the ejecting step without rendering the injection molding machine more complicated. An ejector pin is incorporated in the movable die. This ejector pin is connected, via an ejector plate, a |
| 6615711 |
Press-forming machine for glass |
September 9, 2003 |
| An object of the present invention is to facilitate the release of a formed product from a die. A lower die is formed of a die plate, a plurality of cores, a cavity die and a slide plate. In the cavity die, a plurality of first opening portions are formed at the upper side and a second o |
| 6615637 |
Method of zero adjustment of a load cell for detecting back pressure of a screw in an electric i |
September 9, 2003 |
| A screw is incorporated into a heating barrel. A ball screw is connected to a rear end portion of the screw through a load cell, and a servomotor for injection is connected to the ball screw. First, the heating barrel is retreated and separated from a mold, and the screw is moved to the |
| 6555035 |
Method for injection molding |
April 29, 2003 |
| The retreat completion position of the screw in the charging step in actual production is controlled based on the result in pilot production as follows. In pilot production, the measurement value Ts of the screw driving torque is integrated with respect to the screw position P from the |
| 6457964 |
Position control apparatus |
October 1, 2002 |
| In a position control apparatus, the rate and the torque of the servomotor are monitored, wherein when it is detected that the servomotor is locked, the torque is limited, so that renewal of a command position to be supplied to the servomotor driving unit is stopped. |
| 6411023 |
Vacuum processing apparatus and ion pump capable of suppressing leakage of ions and electrons fr |
June 25, 2002 |
| A vacuum processing apparatus performs processing such-as a pattern depiction with a charged beam within a process chamber evacuated to a high vacuum by an ion pump. The vacuum processing apparatus, which makes it possible to prevent the accuracy of the charged beam pattern depiction |
| 6370918 |
Press forming machine for optical devices |
April 16, 2002 |
| A press forming machine for optical devices which manufactures, an optical device from silica glass with a high glass transition point. A transparent quartz tube surrounds an upper die unit, lower die unit, fixed shaft, and moving shaft to form an airtight chamber inside it. Infrared lam |
| 6343920 |
Temperature control apparatus for injection molding machine |
February 5, 2002 |
| A memory mounted on the same board as a temperature sense module stores a temperature correction value proper to this temperature sense module. On the basis of the temperature correction value read out of the memory, a temperature setting section controls power to a heater, thereby carry |
| 6342270 |
Process for manufacturing a hydrostatic bearing of porous material |
January 29, 2002 |
| The object of the present invention is to provide a process for manufacturing a hydrostatic bearing of porous materials with less performance dispersion, at a high rate of productivity. A work piece is comprised of a base member and a housing. The base member is made of porous bronze |
| 6251208 |
Method for manufacturing a structure with fine ribs |
June 26, 2001 |
| A structure having fine ribs with a high dimensional precision is used as the rear panel of a plasma display or as a micro organism carrier for use in a chemical device. The present invention aims to provide a method for manufacturing such a structure at low cost. According to the invent |
| 6250914 |
Wafer heating device and method of controlling the same |
June 26, 2001 |
| The present invention provides a wafer heating device which can improve uniformity of a temperature distribution within a surface area of a wafer, with a relatively simple structure. A wafer is supported on a susceptor of annular shape. A first heater of disc shape is disposed below the |
| 6245313 |
Process for manufacturing a product of glassy carbon |
June 12, 2001 |
| The object of the present invention is to provide a process for manufacturing a product of glassy carbon, having endurance strength to fatigue at elevated temperature, and to thermal fatigue. After curing the material resin in a mold, the cured resin is baked to obtain a glassy carbo |
| 6220745 |
Device and monitoring system for removing liquid from high melting point resin by means of co-ro |
April 24, 2001 |
| A method of and device for removing a liquid from a resin of high melting point by means of a co-rotating twin extruder and an operation system of a liquid removal molding of a resin of high melting point by which a scaled down, highly effective, high performance and continuous stable op |
| 6192929 |
Hydraulic controller |
February 27, 2001 |
| The present invention provides a hydraulic controller comprising: a plurality of switching spools; a plurality of cylinder ports of a switching valve; a compressed oil passage common to the switching valves having an intermediate chambers, at least a check valve in correspondence wit |
| 6039904 |
Method of adjusting a heat-displacing T-die |
March 21, 2000 |
| A novel method of adjusting a heat-displacing T-die is provided wherein a T-die slit gap is adjusted by thermal expansion and contraction of die bolts individually provided with heaters so that a sheet or film material has a target profile in thickness, characterized in that a thickness |
| 6027401 |
Headstock of a polishing machine |
February 22, 2000 |
| The present invention provides a headstock of a polishing machine, having a simple structure and capable of tracing a pad surface. The headstock of the present invention is formed of a spindle, a holder plate, a spherical bearing, and a plate spring. The holder plate is connected to a lo |
| 6015515 |
Method for setting up a program profile in the control of the injection speed of injection moldi |
January 18, 2000 |
| A method for setting up a program profile in the control of an injection speed of injection molding machines where a dwelling phase switching position Pc, a filling stroke L or an injection starting point Ps, a maximum speed ratio Rvm and a initial speed ratio Rvs to the maximum speed |
| 5942273 |
Method of preparing pellets for snack confectionery and an expanded snack confectionery |
August 24, 1999 |
| There are provided a method of preparing pellets for a snack confectionery and an expanded snack confectionery by using the pellets. A dough for the pellets contains corn flour and potato starch. The pellets are thermally treated by using a home-type hair dryer to make those into the exp |
| 5938807 |
Method for manufacturing press-molded glass object and apparatus therefor |
August 17, 1999 |
| In press molding, a shaft (metal mold 13) is moved by positional or torque control to cause upper and lower molds to reach a set position slightly before a position where the upper and lower molds are set in a final mold closed state. As soon as the upper and lower molds reaches the set |
| 5928580 |
Method of controlling a thickness of a film |
July 27, 1999 |
| The present invention provides a method of control in thickness of the biaxially oriented film of a plastic material to be extruded via an extrusion port gap adjustable by adjustment of a plurality of die bolts provided on an automatic T-die. A position corresponding to the die bolt |
| 5914077 |
Method for setting up a program profile in the control of the injection speed of injection moldi |
June 22, 1999 |
| A method for setting up a program profile in the control of an injection speed of injection molding machines where a dwelling phase switching position Pc, a filling stroke L or an injection starting point Ps, a maximum speed ratio Rvm and a initial speed ratio Rvs to the maximum speed |
| 5904769 |
Epitaxial growth method |
May 18, 1999 |
| This invention provides an epitaxial growth method capable of decreasing variations of the resistance of an epitaxial layer resulting from an in-plane temperature distribution of a silicon wafer and also capable of reducing particles and haze. This epitaxial growth method is an epitaxial |
| 5885624 |
Apparatus for controlling injection molding machines |
March 23, 1999 |
| An apparatus for a feed-back control of an injection molding machine, comprising a control target which operational conditions are different in accordance with operational purposes; and a control unit for subjecting said control target to a feed-back control, is characterized in that sai |
| 5871676 |
Method for setting a program profile in the control of the injection speed of injection molding |
February 16, 1999 |
| A method for setting up a program profile in the control of the injection speed of injection molding machines where a model shape of an article to be molded is divided into fine elements; the filling up state of melt resin for each fine element is obtained as a time period by using n |
| 5863474 |
Method and apparatus for adjustment in mold thickness of a complex mold clamping system |
January 26, 1999 |
| A method and system of controlling a screw engaging position adjuster provided in a complex mold clamping system. A theoretical deviation of a screw engaging position is theoretically calculated on the basis of a distance by which a movable die has been moved from an origin set for a |
| 5858051 |
Method of manufacturing optical waveguide |
January 12, 1999 |
| A method of manufacturing an optical waveguide comprises a first step of laminating, on one major surface of a first glass material, a second glass material to a desired thickness, the second glass material having optical characteristics different from those of the first glass material, |
| 5855928 |
Injection mold for optical discs |
January 5, 1999 |
| An injection mold for optical discs has a stamper mounted on any one of mold surfaces defining a mold cavity, a cylindrically shaped center pressing member being inserted into and engaged with a center portion of the stamper, and a cylinder piston being placed at a center portion of the |
