Matches 1 - 50 out of 168 1 2 3 4 >


Match Document Document Title
8616038 Two-piece guide pin and method  
A two-piece guide pin for metal forming dies includes a guide pin body formed from a cut length of an elongate, solid bar of stock having a cylindrical shape and a hard and smooth finished...
8375834 Die assembly  
A die assembly having a guide rod that includes a lower rod which is fixedly placed on a stripper plate which guides a punch for engagement with a lower die and an upper rod which is placed...
8225702 Stripping device  
In the case of a stripping device (3) for use with a cutting tool (1) with a cutting element, in particular a punch (2), for machining a workpiece, in particular a curved metal sheet (6), at least...
8087333 Method for press punching a hole in sheet metal and press die  
A punch unit for a press die is provided for punching a hole in sheet metal. The punch unit includes a piercing punch provided with a sharp projection, a plunger for pressing the piercing punch, a...
8037793 Stripper plate mounting apparatus  
A stripper plate mounting apparatus is for mounting a stripper plate (21) in a detachable and replaceable manner on a front end portion of a punch guide (5) into which a punch (17) is fitted...
7958807 Upper tool device and punch therefor  
An upper tool device includes: a punch body having a punch blade at a lower end of the punch body; a punch guide into which the punch body is fitted so as to be movable in vertical direction; an...
7954404 Punch device with adjustment subassembly as retrofit insert or as original equipment  
A punch assembly for a punch press has a punch housing with a punch that is slideably mounted for reciprocation along punch axis within the punch housing and at least one resilient member in the...
7802506 Upper tool device and punch therefor  
An upper tool device includes: a punch body having a punch blade at a lower end of the punch body; a punch guide into which the punch body is fitted so as to be movable in vertical direction; an...
7698979 Biasing assembly for a punching device  
A biasing assembly for a punching device that includes a punch support member adapted to support a punch and including a head portion and a main portion extending from the head portion. The main...
7658134 Punch with self-contained punch recess adjustment indexing  
A punch canister includes a punch head with an axial shaft that has a screw thread which is adapted to be connected during use to the screw threads of a punch element that is slideably associated...
6895849 Stripper plate retention system  
A punch guide assembly is provided for removably carrying a stripper plate. The punch guide assembly comprises a punch guide and a stripper plate guide movable axially with respect to the punch...
6755104 Stripper plate supporting assembly  
A stripper plate supporting assembly has a stripper spool unit including a stripper spool and retaining screw for supporting the stripper plate in a die press in a manner that the stripper plate...
6513411 Die block assembly with clearance protection mechanism  
A die block assembly of the present invention includes an upper die (20), an unloading plate (40), a plurality of springs (60), and a plurality of spacer blocks (80). A plurality of receiving...
6289709 Gutter outlet punch  
A gutter outlet punch for punching an outlet in a rain gutter. The gutter outlet punch has a female die and a male cutting die mating with the female die with the rain gutter positioned...
6205901 Quick tool change for punch  
A punch assembly includes a frame that has a pair of arms forming a deep throat for receiving material to be punched, and a single acting punch and die set held by the outer ends of the arms. The...
6199464 Method and apparatus for cutting a substrate  
An apparatus cuts a substrate having first and second portions, each portion having a respectively different level. A first support surface is located at a first level. The first portion of the...
6176172 Table-top coffee vending machine and method  
A table-top coffee vending machine providing slide-out storage containers for easy filling and removal, a compact fast acting coffee brewing system and a filter paper cutting and storage system. A...
6047621 Quick change adjustable punch tool assembly and method of adjustment  
An adjustable punch tool assembly has quick release mechanisms which provide for rapid removal and replacement of the stripper plate and punch without the use of tools. The stripper plate quick...
6035752 Scrap cutter assembly  
A scrap cutting assembly for use in a reciprocating press in which a cutter is carried on a ram which reciprocates with respect to a fixed base to form and cut material passing through the press...
5979277 Method and apparatus for punching a thin metal tape to provide a lead frame for a semiconductor device  
A stripper holder for holding a stripper plate conforms with the deformation of a die plate. A pressing force applied to the stripper plate and is greater than an elastic limit of a metal tape to...
5943934 Cutting device with movable punch  
The cutting device with movable punch is of the type which has a body placed within a seat (2) which is formed in the structure (3) of the machine, and also a fixed die (4), a movable upright (5)...
5884546 Punch unit  
A punch unit includes a punch driver having a punch connected to it. A guide bushing receives the punch for guiding its axial displacement. A compression spring urges the punch driver rearwardly,...
5832798 Punch unit  
The punch unit comprises a punch driver connected with a punch which on its back end has a base. Furthermore, safeguarding members which keep the punch and the punch driver free of relative...
5813301 Punching tool  
A punching tool for a press, includes a punch guide having a stripper plate at a lower end thereof. A punch body is formed with a blade portion at a lower end thereof and disposed within the punch...
5701790 Upper tool for a press  
In an upper tool, a stripper plate (35) is disposed movably up and down at a lower end portion (13a) of a punch guide (13) for housing a punch (27) also movably up and down, via a shock damping...
5658421 Punch and reinforcement device  
A combined hole puncher and reinforcer is provided with a punch control mechanism for detecting the presence of a flat sheet of material in registration with the punching device so as to provide a...
5647256 Punch unit including an adjustable punch  
The punch unit is comprised of a punch driver connected with a punch and has a base at its rear end. Securing members keep the punch and the punch driver free of relative rotation during the...
5517888 Cutting apparatus  
An apparatus (10) for cutting multiple strands of material such as radar reflective chaff comprises at least one movable knife blade (36) with a series of ejector pins (26) which lightly contact...
5445057 Punching die with a damping member  
A punching die includes a punch body and a punch head provided for an upper portion of the punch body. The punch head is struck by a striker. The punching die further includes a punch guide...
5375493 Method and apparatus for feeding separator sheets to a stack  
An apparatus for feeding separator sheets (20) to a stack is disclosed. Separator sheets (20) made of paper or another material are disposed between carton layers (19) of a pallet (13) loaded with...
5301580 Locking ring stripper plate assembly  
A punch guide sleeve and stripper plate assembly useable with a punch set of the type having a punch disposed within the punch guide sleeve and adapted to be reciprocally advanced through an...
5271303 Stripper plate retaining ring  
A device for selectively securing a stripper assembly on a punch guide assembly. A resiliently biased plunger is disposed adjacent the guide assembly, and selectively maintains the stripper...
5235887 Cutter apparatus  
A cutter apparatus having a fixed blade in an opening of a paper feeding guide; and a movable blade having a cutting portion which enters into the opening. A paper holding plate is provided on the...
5195413 Shearing tool for punch presses  
The invention provides a punch press and shearing tool which operate to provide a series of cuts linked end-to-end for severing a work piece such as a piece of sheet metal. The shearing tool...
5190087 Wood cutting and splicing apparatus  
An apparatus for cutting and splicing sheets of wood veneer includes two pairs of dies is in opposed cooperating relationship with spacing between the pairs of dies sufficient to receive at least...
5176057 Punch holder with stripper arrangement  
A punch holder is described having a stripper arrangement composed of an annular array of nested coil springs housed within a series of aligned facing bores in a punch holder tang and punch holder...
5133237 Die punch  
A three-piece, die punch has an upper body fixed in the die, a changeable quill, and a lower body to hold the changeable quill in the die punch.
5131303 Punch assembly  
A punch assembly for use in a punch press including a pair of elongated rods having mating respective male and female threaded ends, a head on one end of the female portion for being engaged by a...
5114394 Punching attachment for bag making machine  
A single, fluid pressure-operated cylinder, which has a conventional slitter blade and punch releasably secured to the lower end of its piston rod, is secured to a plastic bag making machine so...
5081891 Punch assembly  
In accordance with the present invention, a punching assembly is provided which includes a punch slidably mounted in a housing. An air chamber is located between the punch and the housing for air...
5054347 Punch assembly with improved disassembly features  
A punch assembly is described for a punch press having a quick tool change capability. The punch assembly comprises a punch sleeve having a punch slidably mounted therein. A tang extends from the...
5046389 Universal punch block apparatus  
An inspection station punch block apparatus for removing a portion of an integrated circuit die lead from a lead frame. The missing lead is used to mark a defective die and is lataer monitored by...
5044239 Punch for punch press  
A punch for a punch press includes a punch holder which is installed on a punch installing portion of the punch press and a plurality of punch bodies so supported on the punch holder as to be...
5042352 Quick change tool holder  
A quick change tool holder for a punch press having a die holder, a die base secured to the puch press and a releasable holding device which is manually actuatable to secure and release the die...
5031495 Sheet punching cutter  
A cutter for punching a sheet of material having a fixed block disposed so as to face one side of the sheet, a punching blade disposed at the opposite side of the sheet relative to the fixed...
5025691 Punch guide  
The invention involves a novel structure used in piercing a metal workpiece. Other workpieces made from materials other than metal may be used, if desired. The structure uses a punch plate having...
5005455 Method and apparatus for manufacturing preform panels with preforms for repairing interconnects  
A method and apparatus for manufacturing preform panels having at least one preform for repairing interconnects, particularly for repairing meander-like interconnects with a preform plated with...
4993295 Punch stripper  
A punch stripper is formed with an axially aligned aperture extending therethrough so that the punch stripper can be installed on the shaft of a punch. The punch stripper includes a cylindrical...
4989484 Punch and stripper assembly  
A punch assembly for a punch press is described which includes an external housing or sleeve having a punch slidably mounted therein with a spring such as a disc spring for yieldably biasing the...
4947719 Punch and die system  
A punch and die system is disclosed as comprising punch and die templets serving to positionally locate punch and die assemblies relative thereto solely adjacent the region at which punching of a...

Matches 1 - 50 out of 168 1 2 3 4 >