Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7285793 | Coordinate tracking system, apparatus and method of use A system enables indirect determination of a position vector (VR) of a point position (P). The system uses two fixed trackers (10 and 10′) whose absolute positions are known. A movable measuring device (20) provides a rigid rod (... | 10/23/2007 |
| 7270527 | Optical recording medium-manufacturing apparatus There is provided an optical recording medium-manufacturing apparatus that is capable of avoiding breakage of a substrate while avoiding formation of a central hole off-center with respect to the substrate. A control section causes the vertical movement section to m... | 09/18/2007 |
| 7197970 | Apparatus for trimming metal An apparatus for trimming scrap from an aluminum sheet metal blank is provided. The apparatus includes a clamping base comprising a clamping base engagement surface positioned between a clamping base upper surface and a clamping base bottom surface. The clamping bas... | 04/03/2007 |
| 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 |
| 7137328 | Hydraulic press A hydraulic press for working a variety of metals. The hydraulic press includes a frame member designed for resting upon a horizontal support surface and having at least two vertical stanchions with a horizontal support member extending between the vertical stanchio... | 11/21/2006 |
| 7110194 | Spherical retro-reflector mount negative A sphere mount for a ball mounted retro-reflector having a perimeter recess and a base shank. The sphere mount is configured to receive a ball mounted retro-reflector in a centrally disposed conical nest, such as a three-point conical nest, and to position it with a... | 09/19/2006 |
| 7096770 | Optical recording medium-manufacturing apparatus There is provided an optical recording medium-manufacturing apparatus that is capable of accurately transferring a disk-shaped apparatus during a manufacturing process, and at the same time occupies a small installation area. A control section causes a cut-forming m... | 08/29/2006 |
| 7047858 | Chamfer device for cutting packaging materials A chamfer cutting device for cuffing packaging materials comprises a die and a knife part which has a plurality of knives. The die can be moved toward the knife part in order to carry out a cut. The knives are arranged individually in the knife part in a force-depen... | 05/23/2006 |
| 7048898 | Apparatus for preparing a fluid for a medical procedure The invention provides an apparatus for preparing a fluid for a medical procedure by mixing of at least one medicament in the form of powder with water, the medicament is held in a vessel which defines a bottom, a side wall, and a top opening which is closed by an m... | 05/23/2006 |
| 6718860 | Method and apparatus for making holes in pipe A method for forming a plurality of slits in a tube includes first, forming a plurality of grooves in the pipe by operating a grooving punch along the length of each of the slits to be made. Then, each slit is formed in the pipe by operating a hole-making punch. The... | 04/13/2004 |
| 6644160 | Vertical blind cutting and hole-punching apparatus A vertical blind cutting and hole-punching apparatus for repairing the slats of vertical blinds. The vertical blind cutting and hole-punching apparatus includes a slat support assembly including a board-like slat support member having a main wall with a b... | 11/11/2003 |
| 6637328 | Imaging system An imaging system includes a guide which transports a recording medium and a roller which holds the recording medium in place to pull the recording medium through an imaging plane defined by a surface of the roller. A device forms an image onto the record... | 10/28/2003 |
| 6336406 | Apparatus for manufacturing photographic filmstrips In an apparatus for manufacturing filmstrips having a variable length and a variable number of perforations from a long strip of continuous film, a die set device is provided with a plurality of punch holders aligned adjacent to one another in a film tran... | 01/08/2002 |
| 6330738 | Dismounting method for fastening member, dismounting device for fastening member, attachment construction of fastening member and production system using the dismounting method for fastening member The dismounting device includes, in order that a fastening member is dismounted from a base material, the fastening member comprising a head and a body, the body being inserted into a fastening hole formed in a base material, the head contacting a periphe... | 12/18/2001 |
| 6148710 | Slitter-punch with quick adapter A slitter-and-hole-punch and quick change adapter combination fits a bag machine or the like for punching holes and slits in a web of film material. A hole punch and a slitter blade are unitarily formed on a base member. Left and right resilient arms exte... | 11/21/2000 |
| 6112664 | Plate making apparatus with a cutter and punch mechanism formed in one piece A plate making apparatus of a flexible plate material 13,22 being placed on a plate cylinder 7 for executing planographic printing in multiple colors. The plate making apparatus has a cutter 23 being placed between a storage section 21 of a roll-like plat... | 09/05/2000 |
| 5988032 | Slotting tool A slotting tool to slot a workpiece and cut off a slotted scrap from the workpiece comprising a punch having a toe portion and a heel portion located higher than the toe portion and a slotting portion located between the toe portion and the heel portion; ... | 11/23/1999 |
| 5974929 | Combined letter opener and letter punch The invention provides a device for cutting open envelopes and punching filing holes into documents, and includes a body coupled to a base, the base having a two-section feeding surface along which an envelope, or other one or more documents are introduce... | 11/02/1999 |
| 5702556 | Method and apparatus for producing a laminated viscoelastic product The present invention relates to a method and apparatus for producing a laminated product in which the deformation of a base element and the squeeze-out of a viscoelastic element from the periphery of the base element can be eliminated.... | 12/30/1997 |
| 5670013 | Dies for manufacturing a pack of self-opening bags Dies are used in forming a pack of self-opening plastic T-shirt bags for use with a bagging rack. Each plastic bag in the pack of bags has a mouth tab portion between its two upwardly extending handles, which are at the sides of the mouth of the T-shirt b... | 09/23/1997 |
| 5570494 | Shaft seal finishing die A finishing die is used to assemble and finish a shaft sealing. The die performs the multiple functions of staking a metal case to an elastomeric sealing boot, punching a drain hole in the side surface of the boot, and punching a hole locator notch in a f... | 11/05/1996 |
| 5509339 | Device for repairing a broken reciprocating saw blade A device is provided for repairing a broken reciprocating saw blade, which consists of a base with a facility for mounting the base to a work surface. A first station is on the base. An assembly in the first station is for scoring a pattern of a new shank... | 04/23/1996 |
| 5400682 | Method of side-cutting by turret punch press A method of side-cutting by a turret punch press for improving working efficiency to a large extent. The method comprises a step in which a selected one (51) of a plurality of punch chips (51 to 54) arranged so as to be se... | 03/28/1995 |
| 5373767 | Trimming tool for trimming drawn parts and for simultaneous transverse cutting A trimming tool for trimming drawn parts over their complete periphery and for the simultaneous transverse cutting of the waste strip which has been cut off achieves complete and fragment-free transverse cutting of the waste strip by way of a low-maintena... | 12/20/1994 |
| 5370028 | Strip steel punching and indenting tool A strip steel punching and indenting tool (15) and a method for preparing this type of tool wherein the tool, arranged between a ram (12) and an anvil (14) of a punching machine (10), comprises a supporting plate (16) with slots (18) extending from the lo... | 12/06/1994 |
| 5113733 | Adjustable angular shearing device An adjustable angular shearing device (10) in accordance with the invention is adapted to transversely shear sheet material from a continuous strip in a punch press. The device (10) has an upper punch (24) which coacts wtih a lower die (28) to shear sheet... | 05/19/1992 |
| 5099671 | Combination braking, punching and shearing apparatus for forming sheet metal strips Apparatus is provided for forming strips of sheet metal into supports or hangers for ducts and the like. The apparatus comprises a reel for holding a coil of sheet metal for being formed into strips, a strip feeder for extracting lengths of sheet metal fr... | 03/31/1992 |
| 5052258 | Cutter A cutter for repeatedly cutting identical size pieces from a larger sheet of a semi-brittle and semi-rigid material includes an outer jaw affixed to a base and an inner jaw affixed to an arm that is resiliently connected to the base. The upper jaw include... | 10/01/1991 |
| 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 block, a cutting blade disposed spacedly and along the punching ... | 07/16/1991 |
| 4967626 | Apparatus for sectioning tire carcasses A mechanism for cutting a tire carcass into small sections for disposal. An array of adjoining female die sections has knife edges forming the sides of each die and shearing sections forming the corners of each die. Matching, shearing fit male punches opp... | 11/06/1990 |
| 4914996 | Pressing tool for stamping apparatus A pressing tool including means for cutting a blank from a strip fed longitudinally into the tool. The cutting means comprise a stationary lower punch carried by a press table and a vertically mobile upper die normally located above the punch and intended... | 04/10/1990 |
| 4892019 | 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 moving blade disposed at the opposite side of the sheet relative to the fixed block, and a transporting roller disposed inside the moving blade.... | 01/09/1990 |
| 4875274 | Method of cutting metal stud and bending and securing same to form angel member A die body is provided defining a longitudinal channel therethrough including the cross-sectional shape of a metal stud to be cut and an opening is formed through the die body extending normal to the web of the channel and including a first arm portion ex... | 10/24/1989 |
| 4862780 | Apparatus for cutting sheets of material A cutting die (10), which has one or more blades (20) forming the perimeter of a ply (16) to be cut from a sheet of material (14), has a resilient insert (40) placed within the blades to detach the ply (16) from the material and from the cutting die (10) ... | 09/05/1989 |
| 4846033 | Apparatus for making blanks and strips of blanks Polygonally-shaped blanks useful in making products such as can parts are formed by dividing a relatively wide web of material into a plurality of relatively narrow strips, each strip having longitudinal edges delimited by scroll lines formed from a plura... | 07/11/1989 |
| 4787283 | Metal stud and channel cornering die A die body is provided defining a longitudinal channel therethrough including the cross-sectional shape of a metal stud to be cut and an opening is formed through the die body extending normal to the web of the channel and including a first arm portion ex... | 11/29/1988 |
| 4516456 | Pallet nibbler A machine for punching and nibbling a piece of sheet material, preferably metal, for subsequent manufacture into a pallet, said machine comprising a pair of dies disposable on each side of the sheet material, a punch shaft being pushable through one die, ... | 05/14/1985 |
| 4509396 | Apparatus for making holes in thick stacks of paper A tool for punching relatively thick paper stacks, comprises a cylindrical, hollow punch with a cutting edge on its front outer edge. Processing takes place in the manner of a punching operation against a bearing surface, which has a hole corresponding to... | 04/09/1985 |
| 4468995 | Apparatus for manufacturing frames from aluminum profile rails This invention relates with the method for manufacturing frames from aluminum profile rails, which undergo a series of cuts and perforations, done with a mechanism formed by two sections, an upper section which is made up of an upper plate to which a dete... | 09/04/1984 |
| 4449434 | Hole punching apparatus for thermoplastic film Apparatus for cutting holes and notches in thermoplastic film by using heated steel rule dies. The dies are set into a heated die block, and scrap passes through the die, and through a hole in the heated die block so pieces of scrap fuse together as they ... | 05/22/1984 |
