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JPH0168111U |
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JPH01113113A |
PURPOSE:To obtain the extraction forming die for inner-finned flat perforated pipe by working a continuous projecting part of a projecting piece for forming hollow part before division forming by a plate-like 1st electrode worked into a ...
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JPH01104411A |
PURPOSE: To improve the service-life by forming a die main body by the steel of tough hardening, forming an opening part by the graphite crystalized Ni/Cr cast iron of specified composition, integrating both by combing with diffused join...
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JPH01104412A |
PURPOSE: To easily manufacture a male die of high accuracy by facilitating the precise forming of the main part by manufacturing a male die by dividing into a main body part and the core member including a bearing part and assembling bot...
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JPH0199716A |
PURPOSE: To improve quality and precision of products by setting an approach angle from the main-stay of a projecting part to each unit projecting part for molding within a specified angle range on a male die having projecting parts for ...
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JPH0199715A |
PURPOSE: To improve the product quality and prolong a die service life by forming dummy projections on the outside of a projection forming a hollow grooved shape on the outermost part of a forming projection of a male die. CONSTITUTION: ...
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JPH0199717A |
PURPOSE: To improve precision of the die and to reduce manufacturing cost by working divided hole parts in line at one side edge of divided electrode material by wire cut electrical discharge machining, then by performing the electrical ...
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JPH0195813A |
PURPOSE: To provide a die with toughness, abrasion resistance and anti-seizing property by forming a die body from a steel material having toughness, forming an opening part from a specified composition of graphite crystallized high chro...
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JPH0119962B2 |
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JPH0115325B2 |
A rotary wheel member for use in a friction type, conform extrusion apparatus is made by producing a rotary wheel 10 having formed in its peripheral parts a continuous radially-extending groove, and securing in that groove an annular met...
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JPS6471519A |
PURPOSE: To efficiently form a sensitive drum, etc., without buffing or surface machining an extruding pipe by regulating a bearing length of an extruding die within a range of 5W10mm. CONSTITUTION: The die whose bearing length of the ex...
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JPS6466013A |
PURPOSE: To improve the production efficiency by inserting wire rods into through holes of a plurality of material supporters provided in the shape of a honeycomb and extruding them at a specified straining rate through desired extruding...
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JPS646968Y2 |
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JPS646967Y2 |
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JPS646966Y2 |
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JPS646969Y2 |
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JPS646970Y2 |
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JPS649395B2 |
A method is provided for treating a metal working tool element made of cemented carbide materials, as hereinafter described, comprising the operation of implanting into a working surface of the tool element ions of a material such as to ...
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JPS644898B2 |
PURPOSE:To sufficiently knead a resin that is to be subjected to extrusion molding through a mouthpiece, by providing a plurality of manifolds at each of forward ends of multi-ramified type leading paths, and inclining the forward ends o...
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JPS645620A |
PURPOSE: To obtain a seamless extruding hollow stock having extremely less thickness deviation at the initial extrusion time especially by executing a centering upset by filling a hollow billet by pressurizing it inside a container liner...
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JPS641212B2 |
PCT No. PCT/JP81/00114 Sec. 371 Date Jan. 13, 1982 Sec. 102(e) Date Jan. 13, 1982 PCT Filed May 26, 1981 PCT Pub. No. WO81/03441 PCT Pub. Date Dec. 10, 1981.This invention provides an indirect metal extrusion method, in which free die sy...
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JPS6350011Y2 |
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JPS6350010Y2 |
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JPS6350012Y2 |
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JPS63309420A |
An extrusion die is disclosed for extruding a honeycomb-shaped structure having rectangular channels. The die is formed of a hard, rigid material, preferably metal, and includes a body plate (10) and an abutting face plate (20). The outl...
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JPS6365420B2 |
A method of manufacturing a metal article by squeeze forming comprises locating a set of hard metal wear-resistant studs 14 in the mould 12 so that during forming of the article, the metal flows on to and around the studs whereby they be...
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JPS6365013B2 |
A coextrusion die for the extrusion of a tubular film comprising a distribution channel system connected to separate supply means for several plastics materials, each distribution channel system comprising at least two arched channels (2...
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JPS6363284B2 |
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JPS6347370Y2 |
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JPS63189409U |
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JPS63503293A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS63295012A |
PURPOSE: To improve the quality and yield of a pipe by providing plural supporting bodies holding a mandrel and die by centering coaxially and closing the space communicating to an annular space by moving these supporting bodies as well....
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JPS6361092B2 |
A rotary wheel member for use in a friction type, conform extrusion apparatus is made by producing a rotary wheel 10 having formed in its peripheral parts a continuous radially-extending groove, and securing in that groove an annular met...
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JPS6361091B2 |
A rotary wheel member for use in a friction type, conform extrusion apparatus is made by producing a rotary wheel 10 having formed in its peripheral parts a continuous radially-extending groove, and securing in that groove an annular met...
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JPS63286216A |
PURPOSE: To improve the accuracy of product dimension by stopping advance of a mandrel before arriving at the advance limiting position of a stem and starting the regression of mandrel at the time when it arrives at the advance limiting ...
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JPS6358658B2 |
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JPS6358056B2 |
A method of forming an extrusion die comprises forming an extrusion aperture 11 in a die piece 10, forcing a flowable materiat 14 partly through the extrusion aperture so that the leading surface of the material becomes deformed in the e...
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JPS6354447B2 |
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JPS6340250Y2 |
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JPS6352966B2 |
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JPS63235020A |
PURPOSE: To reduce the expansive tendency at the tube bottom part by detecting a diameter expansion amount at the tube bottom part generated by a mandrel remained in the bottom part after tube manufacture finishing and using a mandrel pr...
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JPS63235021A |
PURPOSE: To reduce the deformation or thickness deviation in the tube top part at upsetting time by reducing the front part of a holder facing to a housing part of a container from the peripheral edge side toward a die and guiding a holl...
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JPS63235491A |
PURPOSE: To obtain a tool for hot extrusion having a scale layer excellent in denseness characteristic, having long service life, and also having high strength with superior warkability, by subjecting a tool for hot extrusion made of low...
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JPS6334725Y2 |
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JPS6345886B2 |
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JPS6340605B2 |
Apparatus for continuous extrusion has a rotatable wheel with an endless groove therein, a relatively stationary shoe member overlying part of the groove lengthwise, a portion of the shoe member projecting part way into the groove and be...
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JPS63106514U |
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JPS63101107U |
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JPS63154213A |
PURPOSE: To reduce a shock force applied to a die body at the time of removing a press residue and prevent damage to the die body by previously applying a mold lubricant to Al billet faces, a face of a die contacting with the billet, and...
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JPS63149011A |
PURPOSE: To prolong the service life of a die by forming a nib of a ceramics and a die case of a hot toll steel respectively and installing an intermediately fitting case having an intermediate thermal expansion coefficient between the n...
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