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6200123 Hydraulic closing unit  
A hydraulic closing unit has a ring-shaped hydraulic cylinder that generates a closing force, a locking bushing, an assisted drive for swivelling the locking bushing from a first angular position...
6197227 Toric axis alignment machine and method  
A method and apparatus for practicing the method of making toric contact lenses having a toric axis and ballast axis located on the anterior and posterior surfaces of a lens. Detectable features...
6197231 Process for filling the edge joints of insulating glass panels  
When sealing an insulating glass pane (51) with at least one corner in which the edges (60) of the glass panes of the insulating glass pane (51), i.e. the edges which lead to the corner, include...
6186760 Blow mold machine monitor and control system  
A system for monitoring a stretch blow mold machine includes devices for monitoring the position of a stretch rod with respect to a mold, an air pressure sensor for monitoring air pressure...
6179600 Process and device for hydraulic drive of injection molding machines  
An acceleration pressure is used as set value for the movement of the mass which is to be shifted, such as the mold clamping unit in an injection molding machine. For this purpose it is proposed to...
6171092 Platen sensing and alignment apparatus  
An apparatus and method for detecting whether platens in a mold clamp remain parallel throughout an entire molding process. The apparatus includes a frame, a first platen having a surface...
6165395 Process control method for a machine for manufacturing thermoplastic tubes  
A machine for manufacturing thermoplastic tubes from hollow thermoplastic sleeves by a variety of different manufacturing processes. The machine is a single apparatus having an indexing table with...
6142760 Drive control apparatus for electric injection molding machine  
A drive control apparatus is provided for an electric injection molding machine, in which a screw is used to inject melted resin into a cavity of a metal mold. Herein, the screw is driven to move...
6136252 Apparatus for electro-chemical deposition with thermal anneal chamber  
Techniques for printing raster lines in a selective deposition modeling (SDM) system. Raster lines may be printed using different numbers of jets in each group in different passes. Moreover, full...
6120712 Accumulator head blow molding machine and method  
An accumulator-type blow molding machine includes hydraulic cylinders for closing mold parts on platens and a control system for valves flowing hydraulic fluid to the cylinders. The control system...
6106749 Method and machine for making concrete pipe  
A method and apparatus for making concrete pipe with a packerhead concrete pipe making machine having a lift operable to selectively raise and lower the packerhead during the forming of a concrete...
6106264 Apparatus for molding blocks  
A molding apparatus includes stops which move with a compacting press during penetration of the press into a mold cavity. The stops abut on a mold table and arrest movement of the compacting press...
6106671 Intelligent gap control for improved paper machine profile control  
Apparatus and method for controlling the size of a gap through which material is metered. The gap is defined by a rigid surface and a flexible surface connected to at least one actuator for...
6089850 Molding machine  
A molding machine with a movable molding element and at least one stationary molding element and guides to guide the movable molding element relative to the at least one stationary molding element....
6085552 Aligning fixture for mold opening and closing mechanism  
A mold opening and closing mechanism includes an aligning mechanism which has a horizontal mounting plate including a number of vertical openings for the number of molds, that is supported by a...
6082987 Apparatus for assembling a lens-forming device  
An apparatus and method for assembling a lens-forming structure, the structure having a front mold, a rear mold, and a gasket defining an axially extending bore, including a collet for supporting...
6071107 Apparatus for encapsulating products  
Apparatus for encapsulating products, for instance encapsulating lead frames with epoxy resin, wherein the apparatus comprises: one or more pressing devices for encapsulating the products at...
6066276 Injection speed editing/setting method for an injection molding machine  
6056530 Device for manufacturing information carriers by injection moulding  
An auxiliary device is intended to be added to an injection moulding device for manufacturing disc-like information carriers. The injection moulding device comprises a mould having two mold parts...
6054075 Insert molding method and apparatus therefor  
An insert molding method and apparatus not requiring a multiple movable molds and permitting stable insert molding to be performed by means of light, small-sized equipment. A robot for removing a...
6054076 Accumulator head blow molding machine and method  
An accumulator-type blow molding machine includes hydraulic cylinders for closing mold parts on platens and control systems for valves flowing hydraulic fluid to the cylinders. The control systems...
6048476 Clamp pressure optimization system and method  
The present invention relates to a method and a system for preventing mold flash. The method broadly comprises the steps of: introducing a fluid under pressure into a mechanism for applying a...
6030200 Electric injection molding machine  
An electric injection molding machine having a high degree of freedom in design, in which the design change of a part of the injection molding machine does not influence the whole design of the...
6013212 Gauge distribution in tubular plastic film with edge control  
A method of controlling lateral wandering of flattened tubular plastic film in gauge distribution apparatus in which gauge distribution is effected by passing a flattened tubular plastic film...
6013211 Method and apparatus for controlling mold clamping force based on detected hydraulic pressures  
Mold clamping method and apparatus wherein a mold closing chamber of a mold clamping device is supplied with a pressurized fluid delivered from a hydraulic power source through a servo valve, to...
6004490 Method of using an improved clamping unit in an injection molding machine  
A clamping unit and method thereof, in which a servo-motor mounted on a rear platen is used for driving two ball screws with pre-load hydraulic cylinders so as to acuate the outward-bending toggle...
6001287 Method of press-molding thermoplastic resin  
A thermoplastic resin is molded by a press-molding method wherein a thermoplastic resin in a molten state is compressed to flow between a pair of female and male molds so as to be formed into a...
5989466 Variable section extrusion die set and variable extrusion molding method  
By using a variable section extrusion die set which includes a die set (24) displaceable in a first direction orthogonal to an extrusion direction of a molding material and in a second direction...
5989471 BGA mould assembly for encapsulating BGA substrates of varying thickness  
A BGA mould assembly which can facilitate high degree of control over the clamping force on BGA substrates of varying thickness. An Independent drive is provided for each of the dual in-line cavity...
5985187 Apparatus and method for forming an article  
An apparatus and method for semi-automatically forming a sheet of material into an article, such as a flower pot cover, is provided. The apparatus includes a male die, a female die, a presence...
5980228 Food patty molding machine  
A food patty molding machine of the type utilizing a linearly reciprocable mold plate utilizes a direct rotary actuator drive which provides virtually direct linear transfer of the drive force to...
5972256 Method for determining deflection of mold core-pin  
A transducer for measuring the amount of lateral deflection taking place at the tip of a core-pin inside a mold or die cavity. Non-uniform cavity pressure and cooling patterns make core-pins prone...
5961901 Injection compression molding method and injection compression molding machine  
Into the cavity formed by closing a stationary mold with a movable mold, material is filled through a gate portion of a female cutter. After the material is filled into the cavity, a male cutter is...
5945047 Method of injection-compression molding  
The present invention provides a method of injection-compression molding which employs an injection-compression molding machine. According to the method, molten resin is injected to fill in a mold...
5932155 Method and apparatus for providing overload protection in compression molding machines  
A method and apparatus for making plastic articles utilizing a plurality of tools, each of which is moved by cams and includes a nitrogen cylinder wherein provision is made for catastrophic...
5916494 Rotational indexing base curve deposition array  
A rotational indexing base curve deposition array for assembling contact lens base curves and front curves with a prescribed and programmable angular orientation to produce a contact lens having a...
5911925 Apparatus and method for positive molding brake friction pads with adjustable die cavity depth  
A method and apparatus for manufacturing brake friction pads which includes a die having a cavity adapted to receive compressible friction material, a punch adapted to fit within the die cavity,...
5906777 Injection molding control method for an injection molding machine  
Clamping and injection operations are executed partially in parallel by adjusting a clamping speed and an injection start timing T so that sum ΣP of resin pressure acting on the parting plane of a...
5906837 Device for producing pressed articles  
A device for producing pressed articles with a main cylindrically-shaped elements and secondary helically-shaped element from powdered material, especially powdered metal, with a female mold and...
5906778 Control method for injection molding machine  
A servo valve is connected to a hydraulic cylinder for driving a movable body for shifting. A control signal is applied from a controller to the servo motor for controlling speed of the movable...
5885624 Apparatus for controlling injection molding machines  
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...
5879723 Automated tube reforming apparatus  
A tube reforming apparatus provides efficient mass production of reformed tube end portions. In a preferred embodiment, a tube reforming apparatus has a loading station, two heating stations, a...
5868978 Injection molding method for thin components  
The separation of a lower mold from an upper mold in an injection molding machine is either temporarily paused or carried out at a lower speed so as to maintain deformation of a thin component...
5863474 Method and apparatus for adjustment in mold thickness of a complex mold clamping system  
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...
5863475 Control method of an injection molding machine  
A control method for an injection molding machine includes deciding a position where the speed of a movable platen is to be changed from high speed to low speed. Over the coasting distance, between...
5861180 Powder feed apparatus and control method thereof  
In a powder feed apparatus and a control method thereof, a powder molding press feeds powder from a hopper of the powder feed apparatus to a feeder slidably disposed on a die plate of the press...
5861118 Method and system for controlling injection molding apparatus  
An injection molding machine includes a feedback control system for controlling both the speed and position of a control object, such as a movable platen or an injection screw. The feedback control...
5855829 Method and apparatus for controlling the nozzle engagement in an electric injection molding machine  
So that the injection nozzle (1) in an electrically driven injection molding machine may be driven free of shock into engagement with the mold (10), a spring has been interposed until the present...
5853773 Control system for mold clamping units  
A system and process for controlling mold activity of a molding machine is disclosed and includes a clamping device for positioning a movable mold platen on a carrier device and relative another...
5849225 Disc base molding method and apparatus therefor  
A disc base molding method and apparatus are provided for the injection molding of disc bases so as to produce thin disc bases having increased signal transfer clarity with a shortened molding...