Famous Patents
The first commercial microwave oven was nearly 6 feet tall and weighed in at 750 pounds.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8127651 | Multi-pattern material punch A system for punching one or more patterns selected from a plurality of related patterns into a workpiece (typically paper or similar materials). The system comprises a punch element having a plurality of cutting surfaces arranged at discrete heights relative to eac... | 03/06/2012 |
| 7441488 | Journal notebook binding machine A dual function binding machine for making journal notebooks at home includes a hole punching mechanism and a binding mechanism. A punch die includes a plurality of rectangular punch teeth in a graduated configuration to minimize the amount of force required to pene... | 10/28/2008 |
| 7404246 | Manufacturing method for the hole-punching assembly of a hole-punching unit An improved manufacturing method for the hole-punching assembly of a hole-punching unit is disclosed. The method of the present invention comprises the following steps: (1) forming a plurality of aluminum balancing pieces with a rectangular shape by extrusion, and f... | 07/29/2008 |
| 7392730 | Rotary punching apparatus A rotary punching apparatus includes: an upper rotation plate provided with punching member on which punching blade having a pattern of a specific shape is formed, and an upper jig which support elastically the punching member and forms a guide hole in the same shap... | 07/01/2008 |
| 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 |
| 7267295 | Shredding machines A shredding machine includes a housing which defines a passageway through which a sheet of material to be shredded may pass, a punching mechanism comprising a plurality of punch members, a mechanism to move the punch members from a retracted position in which the pu... | 09/11/2007 |
| 7255032 | Puncher having replaceable knife holder A puncher having a replaceable knife holder comprises a base, a knife holder, and a wastepaper-storing case. A cover is pivotally mounted in the front of the base. The front edge of the cover is extended to the knife-holding groove such that the knife-holding groove... | 08/14/2007 |
| 7194942 | Punch structure A punch includes a base with a base plate mounted thereto and a plurality of punch units are fixedly connected to the base plate by bolts. A plurality of connection holes and connection grooves are defined in the base plate, wherein the connection grooves communicat... | 03/27/2007 |
| 7174821 | Punch for a braced die A punch for attachment to a brace of a braced die has a hollow cutting nose with a leading end for cutting a material to be punched and a trailing end opposite the leading end. A shaft extends from the trailing end of the nose and is sized to pass through an apertur... | 02/13/2007 |
| 7171882 | Knife-like cutting die A knife-like die for cutting a thermoformed plastic article from a sheet of thermoformable plastic. The die includes a die build up plate that is mounted to a first platen and a striker plate that is mounted to a second platen. The die further includes a die board h... | 02/06/2007 |
| 7172185 | Sheet punch device, sheet processing device, image forming system, program, and recording medium A sheet punch device for punching a sheet with a punch edge comprises a motor performing a punching operation and a position detection unit detecting a position of the punch edge. A control unit controls the motor and the position detection unit, wherein the control... | 02/06/2007 |
| 7168903 | Punching/binding machine The invention relates to a punching/binding machine comprised of a frame (1), a matrix (3), a rake (4), a comb (2), a cutting knife (5) and a control lever with which the cutting knife (5) and/or the comb (2) can be d... | 01/30/2007 |
| 7121182 | Steel rule die with removable cutting units A steel rule die for cutting cloth and synthetic materials. The cutting die includes a primary substrate and a plurality of cutting units that are removably attachable to the substrate in such a manner that they are easy to adjust, remove and replace. The cutting un... | 10/17/2006 |
| 7111540 | Dual purpose puncher A dual-purpose puncher combining two-hole and three-hole punch assemblies, is shown and described. The dual purpose puncher provides a duality of uses to the consumer without the necessity for readjustment. In the preferred embodiment, the two-hole punch asse... | 09/26/2006 |
| 7090120 | Sheet punching device and image forming apparatus having the same A sheet punching device that cuts holes in a sheet while punches are entering die holes, in which a plurality of punch trains along each of which a plurality of punches are aligned on a rotating shaft in parallel with the rotating shaft are disposed in the rotation ... | 08/15/2006 |
| 7086582 | Sequential punch press with complementary sliding plates A sequential punch press includes an upper die (10), a lower die (90), and an adjusting device (60) in the upper die. The upper die sequentially includes a punch set (20), a punch pad (30), a punch holder (40), and a strippe... | 08/08/2006 |
| 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 |
| 7032812 | Quick-extraction punch-holder adapter for converting punching machines from a single-punch to a multiple-punch configuration A punching machine comprising at least one punching head including a support body having a first end delimiting a peripheral shoulder, a second end, and at least two parallel seats being angularly spaced from one another and extending through said support body from ... | 04/25/2006 |
| 6994010 | Cutting tool for a punching machine, method for producing said cutting tool and punching machine A cutting tool (1) for a punching machine has a punching body (8) on which a plurality of punching tool elements (5) which are located parallel to each other are provided. The puncing body (8) consists of a double-layered metal sheet (... | 02/07/2006 |
| 6978925 | In-line automated perforation method using selective multi-hole punch A method for creating multiple punch holes during a finishing process of paper sheets and other sheet materials. A highlight of the present invention is the ability to select between at least two configurations of punch holes automatically, without manual adjustment... | 12/27/2005 |
| 6955109 | Electric punch An electric punch includes a plurality of pushing units mounted to the shaft which is driven by a motor. Each pushing unit includes a ring rotatably received in a pushing member and each ring has an eccentric polygonal hole through which the shaft fixedly extends. T... | 10/18/2005 |
| 6925921 | Punch structure A punch includes a base with a base plate mounted thereto and a plurality of punch units are fixedly connected to the base plate by bolts. Each punch unit has a bottom plate and a casing which is connected to the bottom plate so as to define a receiving slot between... | 08/09/2005 |
| 6912941 | Steel rule die with removable cutting units A steel rule die for cutting cloth and synthetic materials. The cutting die includes a primary substrate and a plurality of cutting units that are removably attachable to the substrate in such a manner that they are easy to adjust, remove and replace. The cutting un... | 07/05/2005 |
| 6889588 | Compensating blister die cutter apparatus A compensating blister die cutter apparatus is disclosed which has the purpose of cutting a sheet of blisters which have been formed on a sheet of plastic material in individual blisters which are generally symmetrical in configuration. The apparatus includes at lea... | 05/10/2005 |
| 6886442 | Punching apparatus for backing-films of CMP machines and preventive maintenance method for the same An apparatus for punching CMP machine backing film. The apparatus comprises a base, a first plate, and a second plate. The base holds the backing-film. The first plate is disposed on the base in a manner such that it moves between a first position and a second posit... | 05/03/2005 |
| 6869010 | In-line automated dual or selective multi-hole punch A device and method for creating multiple punch holes during a finishing process of paper sheets and other sheet materials. The improved sheet punch including two rotatable punches set at different angles such that when one intersects the sheet path, the other clear... | 03/22/2005 |
| 6837136 | Combination puncher A hand operated combination two-and-three-hole puncher for making holes in paper and other sheet materials is shown and described. The two-hole punch assembly and the three-hole punch assembly are fixedly disposed on the common platform either in-line, or at ... | 01/04/2005 |
| 6786395 | Punch with punch elements in adjustable positions A punch includes a base, a plurality of punch pins, a lever and a plank. The base includes a lower member defining a plurality of holes and an upper member defining a plurality of holes corresponding to the holes defined in the lower member. Each of the punch pins i... | 09/07/2004 |
| 6752058 | Punching device for edge decoration The punching device for edge decoration enables repeated punching of a pattern in a target, such as paper along edges of the target. The punching device includes a jig in which a predetermined pattern is perforated, a punching member having a section corresponding t... | 06/22/2004 |
| 6752057 | Device for blanking out patterns A device for blanking out patterns of various letters such as Alphabet or figures in a board such as paper includes a housing having a guide groove and through holes on an upper surface thereof, an upper plate having upper pattern holes faced with the through holes,... | 06/22/2004 |
| 6742431 | Punching device for edge decoration having rotation unit A punching device for edge decoration having a rotation unit which is capable of punching out a predetermined pattern repeatedly along an edge of a workpiece while accurately rotating the workpiece at a regular pitch is disclosed. This punching device includes a bas... | 06/01/2004 |
| 6725751 | Rotary punching apparatus A rotary punching apparatus for punching openings in a moving web workpiece the openings having a predetermined length along the longitudinal axis of the web and having a pair of die assemblies located on opposite sides of the path of the web and a drive for rotatin... | 04/27/2004 |
| 6688201 | Thin sheet punching device After a large thin sheet (17) has been gripped in a registered state by a plurality of chuck tools (21) and transported in the X direction to a control start position, Y direction movement control for moving the sheet reciprocally by a prescribed movement... | 02/10/2004 |
| 6688199 | Four-bar upright punch The present invention relates to a punch for punching a workpiece. In particular, the invention relates to a punch including a base to stably support the punch and a support member configured to accommodate and locate the workpiece in a punching position.... | 02/10/2004 |
| 6679147 | Insertable punch lock A punch retainer system includes one or more punch retainers that are selectively insertable into a retainer block. The punch retainers are dimensioned such that they can be positioned closely together and thereby allow punches to be arranged in a closely... | 01/20/2004 |
| 6672504 | Sheet punching device featuring selectively usable punch trains A sheet punching device cuts holes in a sheet while punches are entering die holes. The sheet punching device includes, a plurality of punch trains, each of which includes a plurality of the punches axially aligned on a rotating shaft and projecting in a ... | 01/06/2004 |
| 6658978 | Steel rule die with removable cutting units A steel rule die for cutting cloth and synthetic materials. The cutting die includes a primary substrate and a plurality of cutting units that are removably attachable to the substrate in such a manner that they are easy to adjust, remove and replace. The... | 12/09/2003 |
| 6644161 | Paper punch with multiple punch heads A paper punch includes a base having a protrusion on a top thereof and three passages are defined vertically through the protrusion. Each of the passages has a punch head assembly received therein. A gap is defined between the protrusion and the top of th... | 11/11/2003 |
| 6601297 | Method for producing micro-openings The invention concerns methods for the production of micro-holes in semi-finished components (300) for printed circuit boards (200), consisting of several layers of electrically conductive materials (21,22) and dielectric materials (20), wherein micro-hol... | 08/05/2003 |
| 6530304 | Shape cutting apparatus A shape cutting apparatus for stamping a variety of shapes from thin sheet material. The shape cutting apparatus includes a body member having a cavity with a plurality of die bores, a plurality of die plugs designed to be inserted into the die bores, and... | 03/11/2003 |
