Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; Punching › B21D 28 - Shaping by press-cutting; Perforating
Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707)
10/2013
10/16/2013CN102554022B Piercing punch device for partition plates used in refrigerators
10/16/2013CN102527821B Processing and trimming die for inner skin of front pillar of minicar
10/16/2013CN102310139B Unrolling and blanking mold
10/16/2013CN102151741B Multi-blade fin forming mould for fin heat exchanger
10/10/2013WO2013149630A1 Die unit and system for constructing die units
10/10/2013WO2013119380A4 Punch assembly with steel punch point insert removably secured therein
10/09/2013EP2647447A1 Drive for punches in a punch head
10/09/2013EP2647446A1 Operating device for tools/punches in punch heads.
10/09/2013CN203228945U SIM (subscriber identify module) card punching package device
10/09/2013CN203227723U Multifunctional punching device
10/09/2013CN203227722U Bearing roller blanking die for ordinary pressure machine
10/09/2013CN203227721U Horizontal trimming device for deep drawing thin-walled parts
10/09/2013CN203227720U Precise steel cutting device
10/09/2013CN103341736A Large standard screw drilling rig centralizer hot extrusion molding technology
10/09/2013CN103341551A Small aluminum mesh punch forming mold
10/09/2013CN103341550A Battery shell automatic notching die
10/09/2013CN103341549A Opposite-angle side cutting die
10/09/2013CN103341548A Compound die with automatic material separating and punching
10/09/2013CN103341547A Automatic strip blanking and discharging equipment
10/09/2013CN102527825B Structural steel hydraulic piercing machine
10/02/2013CN203221130U Die for manufacturing ladder-shaped side of cable bridge
10/02/2013CN203221113U Bending machine punching tool
10/02/2013CN203221110U Punching device
10/02/2013CN203221109U U-shaped bracket punching die of shock absorber
10/02/2013CN203221108U Punch used for lateral punching machine
10/02/2013CN203221107U Inverted type compound die structure
10/02/2013CN203221106U Section punching die device
10/02/2013CN203221105U Lock hole machining tool
10/02/2013CN203221104U Lateral punching mechanism
10/02/2013CN203221103U Material supporting mechanism of uncoiling blanking die
10/02/2013CN203221102U Trimming waste cutting-off die assembly
10/02/2013CN203221101U Blanking die structure
10/02/2013CN203221100U Guide plate blanking die structure
10/02/2013CN203221099U Blanking die structure
10/02/2013CN203221098U Stamping die mechanism
10/02/2013CN103339827A Electric motor having an improved magnet-retaining ring and method for producing the magnet-retaining ring
10/02/2013CN103331777A Punching die
10/02/2013CN103331385A Automatic punching feeding die
10/02/2013CN103331376A Continuous stamping and punching mould
10/02/2013CN103331367A Automatic roll material blanking equipment
10/02/2013CN103331365A Automatic waste material discharging jig by means of upwards punching
10/02/2013CN103331364A Precise punching device of cookware
10/02/2013CN103331363A Automatic eyelet-processing device
10/02/2013CN103331362A Enclosure face hole punching mold
10/02/2013CN103331361A Jack former of oil tank floater
10/02/2013CN103331360A Oscillating type metal plate falling device, use method thereof and blank for stamping die by using same
10/02/2013CN103331359A Automobile swing arm trimming die
10/02/2013CN103331358A Compressor upper cover dual blanking punching mold
10/02/2013CN103331357A Compressor casing flat plate punching mold
10/02/2013CN103331356A Adjusting pressure plate structure of longitudinal cutting sub-die
10/02/2013CN102380537B Battery thin material punching die device
09/2013
09/26/2013WO2013141550A1 Hole punching device
09/26/2013WO2013103267A3 Method for molding support patterns
09/26/2013WO2013103266A3 Method for forming support pattern
09/26/2013DE102008009264B4 Stanzverfahren und Folgewerkzeug Stamping and follow-on tool
09/25/2013CN203210459U Longitudinally cutting die capable of switching piece types rapidly
09/25/2013CN203209559U Aligning device for processing bus bar
09/25/2013CN203209529U Mechanism for flanging and subsequent punching
09/25/2013CN203209528U Small hole punching die structure for thick plate
09/25/2013CN203209527U Punching die for steam discharge holes of two-for-one twisting aluminum bobbin
09/25/2013CN203209526U Thick plate material punching die
09/25/2013CN203209525U Punching locating mould
09/25/2013CN203209524U Die for rapidly changing over and selecting punch holes
09/25/2013CN203209523U Automatic centering mechanism for punching die
09/25/2013CN203209522U Working table for punching central hole and screw holes through center plate
09/25/2013CN203209521U Punching device for punching symmetrical holes in metal straight pipe workpiece
09/25/2013CN203209520U Continuous punching machine
09/25/2013CN203209519U Continuous punching machine used for machining tubular product
09/25/2013CN203209518U Automatic liner plate punching machine tool
09/25/2013CN203209517U Automatic punching machine
09/25/2013CN203209516U Manual rib cutting mold with automatic pushing device
09/25/2013CN203209515U Structure of bevel gear forged piece trimming die
09/25/2013CN203209514U Single-process blanking die structure
09/25/2013CN203209513U Punching and cutting mould for slab
09/25/2013CN103317348A Terminal fisheye contour forming process
09/25/2013CN103317043A Blade belt cutting device
09/25/2013CN103317042A Ultralong tubing processing feeding device
09/25/2013CN103317024A Punching compound die
09/25/2013CN103317003A Method for improving punching accuracy of frame and device
09/25/2013CN103317002A Automatic slugging machine for square shells
09/25/2013CN103317001A Door frame second knife blanking die
09/25/2013CN103317000A Door frame first knife blanking die
09/25/2013CN103316999A Inclined wedge structure of louver die
09/25/2013CN103316998A Exceeding-type shearing die structure
09/25/2013CN103316997A Intelligent blanking die with pressure detecting function
09/25/2013CN103316996A Blanking die capable of intelligently monitoring temperature
09/25/2013CN103316995A Four-surface slider trimming die
09/25/2013CN103316994A Cross shearing machine die
09/25/2013CN103316993A Multifunctional combined beveling mould
09/25/2013CN103316992A Intermittent automatic waste-cutting structure
09/25/2013CN103316991A Arc-gap punching die for upper slice and lower slice of axle housing
09/25/2013CN103316990A Micro-blanking automation device of pulsed laser driven flying sheet loading plate and method thereof
09/25/2013CN103316989A Numerically-controlled thread punching and shearing equipment for silicon steel sheet
09/25/2013CN103316948A Intelligent blank tube product line
09/25/2013CN102581115B Flash cutting device for steering wheels of automobiles
09/25/2013CN102306744B Electrode sheet forming machine
09/25/2013CN102218468B Punch press device
09/19/2013WO2013137981A1 Punch assembly with quick attach punch point and stripper plate removably secured therein
09/19/2013WO2013135770A1 Methods and devices for cutting composite material and sealing devices made of composite material
09/19/2013WO2013135392A1 Method and tool for producing an exact-fit cylindrical bore by removal of material from an existing bore with a finishing allowance
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