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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7357055 | Three knives cutting The invention relates to a process and a device for producing a contour of a planiform piece, intended, in particular, for the internal trim of motor vehicles, in which the piece (1) is cut to define at least an apex (2) of the contour (3), havi... | 04/15/2008 |
| 7278345 | Blind trimming apparatus The present invention generally provides a blind trimming apparatus including a frame supporting a cutting tool, the cutting tool including a cutting edge, a blade holder supported on the frame for movement with respect to the cutting tool along a cutting path, and ... | 10/09/2007 |
| 7258053 | Hot dog slicer A food slicer 10 of the present invention contains a hollow body 12 having an inner wall 13 defining an interior 17 and an outer wall 15 for containment of a food product therein. A plurality of blades 32 extends across the ... | 08/21/2007 |
| 7255031 | Vertical curtain cutter A vertical curtain cutter includes at least a base and a mold cutting device fixed on the base, which consists of a clamper, a knife and a motor. The clamper has a stationary clamp block and a movable clamp block, and the stationary clamp block has a flat clamp surf... | 08/14/2007 |
| 7231860 | Blade material cutting device A blade material cutting device has a stationary blade part with a pair of front and rear support faces which are separated from each other by a gap. A pair of opposed front and rear stationary edges are disposed in the pair of support faces. A movable blade part wh... | 06/19/2007 |
| 7140288 | Device for shaping a food product A method and cutting device makes incisions in an elongated food product, like a hot dog or sausage, to form a pattern or character after the product is cooked. One form of the cutter includes a hinged housing into which the food product is positioned. The housing i... | 11/28/2006 |
| 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 |
| 7051632 | Magnetic rotary die A rotary cutting die which is mountable on a metal cylinder. The rotary cutting die includes a rotary die plate having a concave, inner surface which is magnetically attractable and magnetically mountable on a metal cylinder. A cutting blade is mounted on a concave,... | 05/30/2006 |
| 7044043 | Apparatus for sizing window coverings An apparatus for sizing at a single workstation pleated shades and mini blinds in a particular dimension uses a sizing device that includes hydraulic actuated horizontal and vertical blades and a cutting rail assembly. The hydraulic actuated horizontal and vertical ... | 05/16/2006 |
| 7032490 | Hole punch A hole punch has a length in a first direction, a plurality of punch blocks each having a sinusoidal first guide surface, a slider movable along a frame in the first direction, and a roller connected to the slider at a position to engage the first guide surface of e... | 04/25/2006 |
| 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 |
| 6945152 | Automated blind cutting machine The present invention is a method and apparatus for automatically cutting a blind. The blind cutting apparatus comprises a framework, a die assembly, a cutting assembly, a clamp assembly, a blind support base, an integral measuring assembly, an electrical control as... | 09/20/2005 |
| 6928911 | Method and apparatus for cutting tire ply stock Method and apparatus for severing tire ply stock (S) wherein the apparatus includes a knife assembly (14) utilizing a blade (50) having a curved leading edge (58) and a straight trailing edge (62) which meet at a leading point (66)... | 08/16/2005 |
| 6877413 | Slideable hole punch A slideable hole punch, having an upper seat, at least one drill set and a lower seat. The upper seat has a slide track allowing one slide member to move thereon. The upper seat is fitted over the lower seat. The lower seat accommodates the drill set and has an inte... | 04/12/2005 |
| 6877409 | Cutting apparatus and method for venetian blinds A cutting machine for a Venetian blind comprising a head rail, a bottom rail, and a plurality of blind slats. The cutting machine comprises a body defining a head rail opening, a bottom rail opening, and at least one blind slat opening, a plate for cutting the head ... | 04/12/2005 |
| 6758120 | Blind cut down apparatus An apparatus for trimming the width of blinds of the type having a headrail, and a bottom rail and blind slats, and having a support body with a headrail opening, and a bottom rail opening, and a blind slat opening the blind components being insertable into their op... | 07/06/2004 |
| 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 |
| 6688204 | Cutting machine of dual blade feeding for blind of foamed plastics A cutting machine of dual blade feeding for a blind of foamed plastics, more specially a cutting machine providing the cutting application for the blind of foamed plastics that includes a filing board with a squeezing blade and a trimming blade mounted re... | 02/10/2004 |
| 6631665 | Perforating tools having plural blades The invention relates to a method of manufacturing perforating tools, as well as perforating tools manufactured according to the method. The tool is manufactured in that a number of blades (2) are placed densely packed together in a bracket. The blades (2... | 10/14/2003 |
| 6606926 | Method for punching brittle material and punching die to be used therefor A method of forming a plurality of holes of fine diameter d in a brittle material at fine intervals includes the steps of forming at least two holes having a fine diameter d at intervals A in the brittle material through the use of punches. The in... | 08/19/2003 |
| 6336388 | Rotary saw cutter blind cut down machine A blind cut-down apparatus for cutting and sawing a blind having at least a head rail component, and blind slats suspended from the head rail, and having a blind holding plate with an opening for holding the components in position for cutting, a slat cutt... | 01/08/2002 |
| 6240824 | Blind cutting machine A blind cutting machine including a working bench, a mold, a blade tool mechanism, a power mechanism and a restriction mechanism. The working bench is formed with an escape slot and a middle portion of the working bench is marked with scales. The mold is ... | 06/05/2001 |
| 6230599 | Paper sheet punch for sheet post processing machines A punch is disclosed in which cams at the opposite ends of a rotary shaft move a spring returned mechanism so as to apply a force to a number of punches which are aligned across a pressure plate and movable towards a die plate for punching sheets of paper... | 05/15/2001 |
| 6196099 | End trimming apparatus for blinds An apparatus for trimming the width of blinds in which the blinds have a headrail, and a bottom rail and blind slats, and the apparatus has a support body with a headrail opening, and a bottom rail opening, and a blind slat opening in which the blind comp... | 03/06/2001 |
| 6178857 | Method of end trimming of blinds A method for trimming the width of blinds of the type having a headrail, a bottom rail and blind slats, by an apparatus having a support body with a headrail opening, and a bottom rail opening, and a blind slat opening, the headrail, bottom rail and blind... | 01/30/2001 |
| 6145561 | Tape processing device with a coating device for the cutting blade and a static eliminator brush A tape processing device has a feed device, a cutter assembly, and a coating device. The feed device feeds a tape having a layer of an adhesive. The cutter assembly has at least one cutting blade and cuts the tape. The coating device applies an adhesion-p... | 11/14/2000 |
| 5934166 | Cutting apparatus for workpieces with a thin walled cross section A cutting apparatus is disclosed for cutting a workpiece. The cutting apparatus includes a base that includes a support to support the workpiece, and a cutting blade pivotally connected to the base that includes a first cutting edge and a second cutting e... | 08/10/1999 |
| 5806394 | End trimming device for blinds An apparatus for trimming the width of blinds of the type having a headrail, and a bottom rail and blind slats, and having a support body with a headrail opening, and a bottom rail opening, and a blind slat opening the blind components being insertable in... | 09/15/1998 |
| 5771771 | Apparatus for cutting a sausage product An apparatus for cutting a sausage product has an elongate, generally cylindrical housing and a generally annular cutter member. The housing has an axis, a circumferential side wall with radial inner and outer surfaces, and first and second axial ends. Th... | 06/30/1998 |
| 5740712 | Punching devices A punching device comprises a housing carrying a main punch body in the form of a plate mounted for rectilinear sliding movement, the punch body comprising a driving rack extending downwardly along each side, and a plurality of integral punch members proj... | 04/21/1998 |
| 5709761 | Rubber sheet joining method and rubber sheet joining device A method and a device for joining rubber sheets. A pressing disk having a shape that a cutting disk is cut at an edge thereof by about 0.7 mm to 1.0 mm joins with pressure edge parts of unvulcanized rubber sheets which are stackably aligned with one anoth... | 01/20/1998 |
| 5505108 | Cutting knife and sharpener for automatic machines for cutting cloth and similar sheet materials In an automated machine for cutting cloth or fabric and similar sheet materials the knife is made from a high-alloy tool steel to provide the knife with a sharp cutting edge capable under a given set of conditions to cut sheet material for a far longer pe... | 04/09/1996 |
| 5505109 | Cutting die and chisel A cutting die and chisel for cutting a stack of material such as paper and the like. The cutting die has a cutting edge for cutting a central portion in the material and the chisel has a cutting edge for cutting the excess peripheral portion of the stack ... | 04/09/1996 |
| 5463922 | Punch for making a multiplicity of holes A punch for making a multiplicity of holes in a line even through a multiplicity of sheets of paper put one upon another includes a multiplicity of vertically disposed and vertically movable cutting tools supported in a row by a horizontally disposed rail... | 11/07/1995 |
| 5320012 | Method of trimming molded ceiling for automotive vehicle or the like As a cutter having first and second cutter blades is driven toward a molded ceiling consisting of a base material and a surface material which is attached to the base material in a stretched state, the surface material is first cut by the first cutter bla... | 06/14/1994 |
| 5315857 | Stamping and forming machine having improved couplings Compressive force transmitting coupling (64) between an actuator (16), which oscillates along an arcuate path and a ram block (12) which reciprocates along a straight line path comprises first and second compression blocks (66, 68) and a bearing (70) betw... | 05/31/1994 |
| 5303626 | Cutting apparatus A cutting apparatus having a holding member for holding a sheet; a plurality of cutter member for cutting the sheet held by the holding member; and a shifting member engaged by the plurality of cutting member, for shifting the plurality of cutting member ... | 04/19/1994 |
| 5269340 | Combined hot tap pipe cutter and gate valve for plastic pipe A combination pipe cutter and gate valve for plastic pipe insertable into an in service pipe through which a fluid is flowing. The combination pipe cutter and gate valve comprises a valve body, means for securing a valve body around a portion of the plast... | 12/14/1993 |
| 5253508 | Force transmitting coupling for stamping and forming machine Force transmitting coupling (44) for transmitting force from an actuator (16) which oscillates along an arcuate path to a ram block (12) which reciprocates along a rectilinear path comprises a flexible member (50) coupling which is connected to the actuat... | 10/19/1993 |
| 5253030 | Image forming apparatus Near a discharge device (48) for discharging paper (P) with an image formed thereon, there is provided a punch (7) for punching holes. The drive of the discharge device (48) is controlled so that the punch punches the punch holes in the trailing portion o... | 10/12/1993 |
