Matches 1 - 50 out of 85 1 2 >


Match Document Document Title
8061252 Hole punch element  
A hole punch device that reduces the force required to create a hole in papers or other sheet media. A punch element of the hole punch device includes a locally sloped or indented floor to create a...
7779738 Pivot punch  
A punch arrangement for punching holes in a moving web of a plastic film has a pivoted yoke mounted on a fixed bracket above the plastic film. An air cylinder or other actuator is mounted on the...
7210384 Slug pulling preventing tooling die  
A punch and die tooling apparatus commonly used by metal fabricators for creating holes, passages and cavities in metal plate, the die having a unique internal bore which relieves the problem of...
7008684 Strandboard molding having holes at angles of 20 degrees to vertical or more  
Mold apparatus for molded wood strand three-dimensionally carved articles of manufacture using at least one hole punch comprised of a base and a funnel shaped hole-defining portion having a funnel...
6923100 Method and apparatus for punching particle board  
A punch and backer plate combination is disclosed as an example of the present invention. The punch has a concave recess in its extended end. The punch may be round or have a rectangular shape in...
6736045 Manually operated corner cutter  
A manually operated corner cutter includes a base, a support and guide device, a blade post, multiple cutting tools, a press and control handle, and a press plate. The support and guide device...
6536318 Loose lamination die with rotating blanking station  
In a method and apparatus for rotating loose laminations in a loose lamination die, a strip is fed through the die to a rotatable blanking chamber of a blanking station. There, a punch engages with...
6517298 Method for selectively relieving sharp edges in tools used in die cutting sheet-type work material  
A method for selectively relieving sharp edges in tools used in die cutting web or sheet-type work material which includes providing a machining apparatus for supporting the tool thereon, where the...
6477930 Jogger member, system and method for mounting jogger members and female and male blanking dies provided therewith  
A female blanking die for a die cutting machine for die cutting and/or blanking a carton blank, as well as a male blanking die/female blanking die combination, and methods of producing them, and...
6463831 Method of making a precision punch and die design and construction  
A precision punch and die device for punching holes in a ceramic substrate and method of assembling the device. The device comprises a punch which moves relative to a substrate for punching a hole...
6457392 Process and apparatus for producing an endless seamed belt  
A novel method and apparatus for producing an endless flexible seamed belt using a punch and die is disclosed. The punch and die have patterned edges in the form of a puzzle cut pattern with...
6453783 Process and apparatus for producing an endless seamed belt  
A novel method and apparatus for producing an endless flexible seamed belt using templates is disclosed. A first form of the template is a mask template with a template aperture in the form of a...
6318424 Multi-purpose hydraulic press, metal bending, and log splitting apparatus  
A multi-purpose hydraulic press, metal bending, and log splitting apparatus is disclosed. An hydraulic ram, having a piston cylinder for extending and retracting a piston rod driven by an hydraulic...
6272957 Flex die punching apparatus and method  
Disclosed is a flex die punching apparatus for forming an aperture in at least one sheet of material. There is a flexible, extrudable platen which, upon exertion of a force against it, extrudes at...
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...
6063228 Method and apparatus for sticking a film to a lead frame  
An apparatus for sticking a film to a lead frame has a punch moving up and down for punching a film, a die for placing the film to be punched, and a heating plate for heating a lead frame. A...
6044742 Die holder mounting structure  
Pin insertion holes 25, and 26 are adjustable relative to each other and are arranged such that one is on a die holder 6 which is mounted on an alignment plate 7 of a lower turret 2 and the other...
5771764 Use of cutting tools for photographic manufacturing operations  
A method of cutting, slicing or perforating photographic imaging elements using certain cutting tools is disclosed. The cutting tool material includes zirconia and yttria at a molar ratio of yttria...
5458717 Method of shearing thin metal sheet  
A method of shearing a thin metal sheet having a thickness of approximately 0.1 mm or less so as to be separated into a product and scrap by a pair of dies. A chamfer or a round having a size of...
5444908 Die for driving pierce nut  
A die assembly for driving a pierce nut which comprises an annular coining portion provided on the top of a die body, the inner surface of the annular coining portion being continuous with a center...
5417133 Scrap handling in a blanking die  
A stamping and forming machine positively prevents slug pulling by stripping the slug off of the end of the punch as the punch is being withdrawn from the die opening after a blanking operation....
5410928 Scrap removal system for a stamping and forming machine  
A stamping and forming machine is disclosed having two operating modules, each of which has a unique scrap removal system. The machine includes a punch assembly and a mating die assembly that...
5337639 Outfeed lifter ramp for blanking boxes and other die-cut paper products  
The present invention contemplates an outfeed lift ramp (24) for use with a male (19) and female (18) combination of blanking dies for separating a diecut paper box blank (21) from an attendant web...
5253559 Device and system for piercing printed circuits  
A first tool assembly includes a punch holder assembly and a circuit board clamp and a second tool assembly includes a die for receiving punches held and driven by the punch holder assembly. A...
5178050 Die for use in fine press working  
The object of the invention is to reduce the number of the producing processes of an IC lead frame.In the present invention, a plurality of punches 17 are provided protruding from the base 16 in...
5136907 Prevention of slug pulling in stamping presses  
Stamping die for use with a punch to produce holes in strip material with the resulting production of a slug has a camming rib in the die opening. The rib prevents slug pulling when the punch...
5105697 Multiple stage shaving die  
First and second shaving dies are mounted one above the other and are respectively provided with continuous shaving edges disposed adjacent to contoured annular facial surfaces which draw the...
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...
5007316 Apparatus for cutting sheet materials  
A die block component for use in a punch and die assembly is described, having a plurality of grooves in the die face. The block and assembly are useful for cutting articles from sheets and film of...
4995289 Die assembly having improved insert retaining system and having reversible die inserts  
Die assembly comprises a die plate having one or more die inserts therein. The die plate has a recess within which the insert is positioned. The die opening in the insert extends normally of the...
4970923 Shaping die  
A die for use in a punch-press operation has a constant shear angle throughout the entire cutting edge and the surface profile of the die is convex to draw the workpiece away from the cutting edge...
4947720 Die improvement  
A punch press die (D) is used to construct rotor laminations (RL) and stator laminations (SL) for a dynamoelectric machine (1). A cavity (17) is formed in the die for a punch (15) to travel through...
4921154 Separating device in an automatic stamping machine  
An automatic machine for die cutting and creasing paperboard and similar paper materials, in sheet or continuous web form, into shaped package blanks and the like has a separation station at which...
4909721 Mold apparatus for molding containers and forming hole therein  
A male and female mold parts combination for forming a latch opening in a container molded from a softened sheet of plastic having a female mold key member arranged on the female mold part; a male...
4898056 Method and tool for punching plaster plates  
In order that holes may be produced in a simple and safe manner in a plaster plate (1) to be used as sound adjuster in a room, holes (15) are punched out of the plate, e.g. in the shape of slits,...
4815348 Apparatus for trimming a flanged end of a tubular article  
A punch and die assembly for trimming the flared end of a can body comprises a reciprocable punch (10), and a split die (15) consisting of two semi-circular segments (14, 16) movable between an...
4802393 Piercing die  
The subject piercing die is particularly adapted for piercing a hole in a blank having an open interior and an outer wall defining a closed figure. The piercing is done from the interior of the...
4624165 Power tool, particularly revolving cutting press with tool receiving means suitable for a remotedly controlled exchange  
In a power tool, particular a revolving cutting press, a punch holder and a stripper shoe are provided with openings for a punch and a stripper, whereas a matrix shoe which carries a matrix is...
4621556 Relieved serrated dies for rotary punching units  
A serrated rotary die having a minimum die cutback angle θ, wherein ##EQU1## where CL DIST is the centerline distance between punch and die axes of rotation, ##EQU2## MD is a die internal diameter ...
4599926 Rotary cutting dies with vacuum assist to cut and clear waste  
A die-cutting roll is constructed to cut holes in traveling web materials, and for clearing and discharging the fragments, in a highly effective manner. A multiplicity of air vent ports communicate...
4548113 Perforating device  
A device for perforating a web or sheet of material, includes a rotatable male die carrier roll having at least one radially extending cylindrical bore opening into its outer periphery, and a male...
4543865 Punch press tool for punching small holes in a strip of sheet metal, and obtaining small punched blanks  
To permit punching of very small holes from a strip of sheet metal, for example to form a sequence of holes at the margin thereof, or to obtain small punched blanks, having diameters of a few...
4524661 Bottom die construction  
A bottom die provided with a cutting edge which is closed within itself used with stamping machines having a seat for the bottom die comprises a die body made up of at least two separate body parts...
4516450 Slug-retaining die  
The die of a punch press is provided with at least one inwardly-extending protrusion elongated in the direction of travel of the punch and positioned to encounter and grip the edge of a punched...
4396411 Shear frame mounting and positioning mechanism  
A shear frame mounting and positioning mechanism for linearly reciprocal shear blades in which the shear frame can be adjusted in a horizontal plane in a direction parallel to and perpendicular to...
4277994 Matrix element  
For use in combination with a die plate having through bores, matrix means for mounting to the die plate including die means for cooperation with tools of a die assembly to function therewith to...
4273015 Dome head punch  
A novel punch for employment in a machine utilizing a punch ring containing a number of spaced, radially-arrayed holes in which the punches are secured, with the punch ring being used in...
4198884 Method of manufacturing a punching die  
A punching die which may be economically produced is disclosed herein. The die is reinforced by superimposing hard thin plates thereon. The punching die is composed of a die body soft enough to be...
4143569 Die holder for punch presses  
A die holder for punch presses for placement in a die set is described. It consists of a die element retained by a frame member supported on pads secured to a die block. A sliding support between...
4048890 Punching tool die  
The die of a punching tool has a body of relatively soft and elastically deformable material with a through hole in extension of a through hole of the die but of smaller section, corresponding to...
Matches 1 - 50 out of 85 1 2 >