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| Number | Title | Issue Date |
| 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 cylinder for supporting the piercing punch and the plunger slidably i... | 01/03/2012 |
| 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 movably upward and downward. The apparatus includes: a... | 10/18/2011 |
| 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 adjustment screw member provided above the punch guide, the adjustment ... | 06/14/2011 |
| 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 housing for yieldably biasing the punch upwardly in the housing along t... | 06/07/2011 |
| 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 adjustment screw member provided above the punch guide, the adjustment ... | 09/28/2010 |
| 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 portion has a recessed surface. A retaining member is coupled to the pu... | 04/20/2010 |
| 7363795 | Guided punching apparatus A male die is adapted to be opposed to a first face of a metallic plate member. The male die includes a plurality of punches which are provided on the male die and arranged side by side in a first direction with a fixed pitch. A guide member is formed with a guide f... | 04/29/2008 |
| 7361131 | Systems and methods for processing a container blank A system includes a first scoring station, an optional second scoring station, and a cutting station. The first scoring station includes a stationary platen for supporting a substrate, a movable platen juxtaposed a spaced distance therefrom, and one or more scoring ... | 04/22/2008 |
| 7333767 | Paper post-processing apparatus and image recording apparatus An apparatus and method for punching a hole in a paper with a punching unit in a paper post-processing apparatus. The paper is nipped and transported with a transporting roller system arranged downstream of the punching unit in a paper transport direction to make at... | 02/19/2008 |
| 7326008 | Servo tapping unit with built in shock protection A servo motor in die tapping unit provides built in shock protection for the motor by fixing a shock plate to the servo motor and floatingly mounting the shock plate to a base structure attachable to a stripper plate in a press. Sets of opposing springs allow moveme... | 02/05/2008 |
| 7308814 | Method for perforating a sheet A method for perforating a sheet (1) with the aid of a stamp (3) and a matrix (2) is described, the sheet (1) being elongated before the hole punching in accordance with the setpoint diameter in the hole boundary area through bulging of t... | 12/18/2007 |
| 7290473 | Pierce cam A pierce cam is compact, can save space, can be easily mounted, can reduce cost, can even be mounted to a sloped surface, and a pierce punch and required accessories can be ordered in bulk from a single source. A pierce cam includes a pierce punch, a body which is d... | 11/06/2007 |
| 7269989 | Method of using a tool to form angled orifices in a metering orifice disc A method of using a tool for punching orifice that has wall surfaces extending at an angle relative to a generally planar surface of a workpiece. The method includes sequentially forming two spaced apart impressions formed in the workpiece between first and second g... | 09/18/2007 |
| 7216421 | Stamping machine for mounting retention frame of heat sink to motherboard A stamping machine for mounting a retention frame of heat sink (510) to a motherboard (500) includes a machine body (100), an adjusting device (200), and a controlling unit (300). The machine body comprises a support plane (110 | 05/15/2007 |
| 7194820 | Punch press alignment instrument A punch press alignment instrument has upper and lower cylindrical components that are associated for vertical displacement relative to one another. Both components have outer tool holder engaging surfaces which are to be aligned with one another so as to in turn al... | 03/27/2007 |
| 7168356 | Adjustable length punch assembly Adjustable length punch assemblies are disclosed. An adjustable length punch assembly in accordance with present invention may be used with a punch press including a tool holder adapted to receive punch assembly and a ram adapted to move longitudinally along a ram a... | 01/30/2007 |
| 7121178 | Punching tool with re-usable, neutral structural groups An improved punching tool (1) has a lower tool (3), which is subdivided into a lower tool base plate (7) and a lower-tool operative part (8). The lower tool base plate (7) has a receiving face, with which uniform base areas of a pl... | 10/17/2006 |
| 7051635 | Ball-lock insert assemblies The invention provides a ball-lock insert assembly adapted to be mounted axially in a mount opening formed in a holder plate having a desired thickness. The ball-lock insert assembly comprises an insert body having an axis and an elongated interior recess extending ... | 05/30/2006 |
| 7000523 | Blade holder and support member for perforator A holder and a support member for mounting a blade to a perforator are provided. The holder is composed of a blade, a two-position switching member, and a mounting member. The holder is assembled detachably to the support member along the external shape of the mount... | 02/21/2006 |
| 6997363 | Device for removing break-off components from a sheet of material or equivalent The invention relates to a device for removing break-off pieces (12), especially waste parts, from a sheet of material containing blanks or similar flat pieces. An abutment device (20) which can move in a longitudinal direction is associated with a bre... | 02/14/2006 |
| 6979153 | Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ... | 12/27/2005 |
| 6971516 | Sharps containers When a syringe has been used, it can be entered, needle tip first, down into a spigot (10) until the skirt of the needle assembly plugs firmly into the spigot, being held by ribs (12). The capsule can then be worked free and removed. Thereupon, a cover... | 12/06/2005 |
| 6918332 | Paper punch device A paper punch device includes an elongate base having a first end, a second end, a top side and a length greater than nine inches. A compartment is positioned within the base. An aperture positioned adjacent to the first end extends through the top side into the com... | 07/19/2005 |
| 6915579 | Punch assembly and methods of using same The present invention relates, in general, to a punch assembly and methods of using same and, more particularly, to a punch assembly that is capable of accurately and repeatedly measuring an intersecting point at which a hold or indentation can be put in a sheet of ... | 07/12/2005 |
| 6915563 | Apparatus for removing attached die An apparatus for removing attached die having a pivoting means, having a pivot point and first and second sides, the pivot point having a corresponding first y coordinate, the first and second sides positioned opposite to one another, said pivoting means capable of ... | 07/12/2005 |
| 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 guide. The stripper plate guide has a locked position wherein the stripp... | 05/24/2005 |
| 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 may be removed from a die set without removing the die set from the pre... | 06/29/2004 |
| 6755103 | Ball-lock insert assemblies The invention provides a ball-lock insert assembly adapted to be mounted axially in a mount opening formed in a holder plate having a desired thickness. The ball-lock insert assembly comprises an insert body having an axis and an elongated interior recess extending ... | 06/29/2004 |
| 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 holes (30) is defined in the upper die, for receiving the sprin... | 02/04/2003 |
| 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 therebetween. The male cutting die is attached to a rod. A ratchet pe... | 09/18/2001 |
| 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 punch is actuated with a lever mounting a swing frame that ... | 03/27/2001 |
| 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 substrate is supported by the first support surface. A second... | 03/13/2001 |
| 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 plurality of storage containers for ground coffee, hot cho... | 01/23/2001 |
| 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 release mechanism includes slides mounted for axial movement ... | 04/11/2000 |
| 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 includes an exit plate mounted on the press base adjacent th... | 03/14/2000 |
| 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 be punched, and less than a pressing deformation or breakag... | 11/09/1999 |
| 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) and an elastic element (6). In particular the body is const... | 08/31/1999 |
| 5896795 | 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 includes an exit plate mounted on the press base adjacent th... | 04/27/1999 |
| 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, away from the guide bushing. An intermediate member located... | 03/23/1999 |
| 5839341 | Punch unit A punch unit allows an adjustable length adjustment of the punch by disengaging projection-seat means which connect the housing and the guide bushing and then rotating the guide bushing relative to the housing. Additionally, the housing has mutually engag... | 11/24/1998 |
