Abstract: A punch according to some embodiments of the disclosure includes a body having a punching edge and a wall forming a passageway therethrough, the wall having a multi-start thread formed thereon, and a draw stud according to some embodiments of the disclosure includes an elongated cylinder having a multi-start thread thereon which is configured to be coupled to the multi-start thread of the punch. The number of starts provided on the punch corresponds to the number of starts provided on the draw stud. The multi-start thread on the punch is engaged with the multi-start thread on the draw stud in use. A method using same to punch a hole in sheet metal is also provided.

Abstract: A punch according to some embodiments of the disclosure includes a body having a punching edge and a wall forming a passageway therethrough, the wall having a multi-start thread formed thereon, and a draw stud according to some embodiments of the disclosure includes an elongated cylinder having a multi-start thread thereon which is configured to be coupled to the multi-start thread of the punch. The number of starts provided on the punch corresponds to the number of starts provided on the draw stud. The multi-start thread on the punch is engaged with the multi-start thread on the draw stud in use. A method using same to punch a hole in sheet metal is also provided.

Abstract: A method for accurately, rapidly and consistently cutting an opening in drape material for negative pressure wound therapy (NPWT) uses a cutting device that includes a plurality of cutting members that can extend from a bottom surface of the cutting device. A cover may fit over the bottom to protect the cutting members. The cutting members may be positioned to define a cut-out shape having dimensions designed for use with a NPWT system. An adhesive material may be formed on the bottom surface of the cutting device, inside of the cut-out shape defined by the cutting members. In use, the user presses the cutting tool onto the drape to cause the cutting members to cut into the drape and the adhesive to stick to the drape. When the user lifts the device, the drape, cut to the correct size and shape, is removed from the foam dressing covering the wound.

Abstract: A power tool attachment saw according to the invention is provide and includes a body plate, a connector section and a plurality of cutting walls. The body plate is a planar body and the connector section positioned on one side of the planar body and adapted for attachment to an oscillating power tool. The plurality of cutting walls are positioned orthogonal to and extend from exterior edges of the planar body to form a material receiving space. The plurality of cutting walls provide a uniform cutting edge about the material receiving space.

Abstract: Methods for electrically coupling electrode portions within electrochemical devices, and associated articles and systems, are generally described. In some cases, an electrically non-conductive layer is between multiple electrode portions that are to be coupled. In some cases, the method comprises penetrating the article to establish electrical coupling between the electrode portions previously separated by the electrically non-conductive layer.

Abstract: A drilling jig for drilling a punching hole with a boundary between a basis material and a coating of a workpiece less noticeable, and a drilling method using this drilling jig. It includes a male blade, a female blade, and a hexagon bolt; the male blade and the hexagon bolt are capable of being coupled to each other; a screw hole, through which the hexagon bolt is inserted, and a blade portion are formed in the male blade; the blade portion has a planar blade surface; a shaft insertion hole, through which the hexagon bolt is inserted, and a blade portion housing hole capable of housing the blade portion are formed in the female blade, whereby the boundary between the basis material and the coating of a bumper can be positioned on the inside of the punching hole, preventing the appearance of the punching hole from being impaired.

Abstract: A device for cutting an artificial anus protection plate includes a protection plate support part that supports the artificial anus protection plate, a guide rod screw-coupled to a coupling rod in a lengthwise direction of the coupling rod, and a cutting part that cuts the artificial anus protection plate at a preset diameter.

Abstract: A draw stud assembly for use with a knockout punch tool having a movable piston, includes a connector attachable to the movable piston, a draw stud, and a quick connect mechanism. The quick connect mechanism includes mating first and second thread segments on the connector and the draw stud, respectively. The connector and the draw stud are movable between a first relative orientation where the mating first and second thread segments are misaligned to permit axial movement between the connector and the draw stud, and a second relative orientation where the mating first and second thread segments are aligned and engaged to inhibit axial movement between the connector and the draw stud.

Abstract: A punch tool for forming holes or apertures in workpieces. The tool includes a primary cylinder containing a movable ram and a secondary cylinder containing another movable ram. The primary and secondary cylinders are in hydraulic communication with each other. The primary cylinder is releasably engageable with a powered press tool and various dies or punches can be attached at the secondary cylinder. Systems of powered tools and the punch tools, and methods of forming holes in workpieces using the punch tools.

Abstract: An apparatus, comprising a cutting assembly being configured to cut an object, and scrap-guiding regions being positioned on opposite sides of the cutting assembly.

Abstract: Provided in various example embodiments is a system and method for converting beverage containers with removable lids into spill-resistant sippy cups, optionally comprising a punch mechanism comprising a die handle connected with a die and pivotably connected with a punch handle connected with a punch that is positioned opposite the die, the punch and die operable to punch holes through upper surfaces of beverage container lids having longitudinally extending sides, such that the holes have a first cross-sectional size, shape, and area. Also provided are drinking straws each having a second cross-sectional size, shape, and area, the second cross-sectional area being less than the first cross-sectional area by a differential area sufficient in size and shape to allow the passage there through of air but not more than a few drops of a liquid beverage.

Abstract: A punch assembly includes a punch, a sleeve, a draw stud and a die. The sleeve adds rigidity to the draw stud, thereby reducing elastic deflection of the draw stud, reducing bending moment on the draw stud, reducing punching force, and extending the punch, draw stud and die fatigue life. The sleeve also aids in axial alignment of the punch, die and workpiece with a pilot hole drilled through a workpiece.

Abstract: An apparatus receives power from a prime mover to move a punch relative to a die and thereby form a hole in a wall. The apparatus includes a draw stud that translates to move the punch relative to the die to form the hole. The draw stud is detachable from the apparatus by driving the draw stud such that a key exits a keyway, rotating the draw stud to detach the draw stud from a transmission element, and thereafter removing the draw stud from a draw stud passageway.

Abstract: A hand-held knockout driver for use with a punch and die. The hand-held knockout driver including a housing having a handle portion, a motor positioned within the housing, the motor having a drive shaft defining a first axis, a pump assembly positioned within the housing, the pump assembly having a piston moving along a second axis, a dump valve positioned within the housing, the dump valve defining a third axis, and a working piston moveable with respect to the housing along a fourth axis.

Abstract: This fence post tool makes an opening in a fence post to receive a fence rail. The tool includes a threaded first member received within the hollow fence post and having an elongate handle to manipulate the first member into position adjacent a predrilled pilot hole. A second member includes a cutting edge defining the profile of the cutout and having a bolt received through the second member and into the threaded passage of the first member to draw the second member cutting edge into cutting engagement with the fence post sidewall.

Abstract: A clamping assembly for driving a knockout punch is provided. The clamping assembly has an outer member, an inner member, and wedges that are guided by keyways on the inner member. A user pushes onto the inner member, which causes the wedges to contact a cam surface on the outer member, which forces the wedges in a radial inward direction until threads provided on said wedges clamp onto complimentary shaped threads on a draw stud.

Abstract: A knockout punch is provided with a member such that when the punch and the die are drawn together by the draw stud to make a hole in a workpiece, the member on the punch will locate the punch assembly in a pilot hole. In three embodiments of the invention, the member is formed integrally with the punch and extends from the punch proximate to a bore in the punch which is used to connect the punch to the draw stud. In another embodiment of the invention, the member is provided as an insert which is connected to the punch within a counterbore. The punch is also provided with a pair of piercing portions for piercing through the workpiece after the member has centered the punch assembly with the pilot hole and a pair of cutting portions for shearing the workpiece after the piercing portions have pierced the workpiece.

Abstract: A tool suitable for inscribing and removing a portion of a wooden member, comprising: a support member (2), first and second blades (10, 20) extending substantially perpendicularly from the support member (2) in spaced apart parallel relationship, a third blade (30) extending between opposite lateral ends of the first and second blades (10, 20), cutting edges (11, 21, 31) on the blades (10, 20, 30), which between them define the outline of the portion of wood to be inscribed and removed, and a first control means to control the depth of cut of the third blade (30) when the tool is used to cut away the inscribed portion.

Abstract: 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 penetrate through the journal book materials. A guide provides different positions for punching through covers, inner pages and continuous punching of both. This allows the perfect alignment and fit of the outside covers with the inside pages. A spring biased lever operates the punch die in a horizontal direction. The binding mechanism included in the same machine has a vertical outer vise wall that is horizontally movable to compress the binding material to the pages and covers of the journal notebook.

Abstract: An improved drywall corner bead cutting device includes a cutting device base and at least one cutting blade assembly mounted on the cutting device base. The cutting blade assembly includes a corner bead support structure having a corner bead support wall operative to engage the upper wall of a drywall corner bead having a nose and wing sections. A corner bead support structure cutting blade is mounted on the corner bead support structure generally diagonally aligned relative to the corner bead support wall. A pivotably mounted cutting arm includes a cutting blade, the cutting blade positioned adjacent to and parallel with the corner bead support structure cutting blade.

Abstract: The present invention is directed to a self-cutting electrical outlet box. The electrical outlet box is self cutting, allowing the box to be installed through an existing building surface. The box includes teeth or cutting members to assist in self-cutting. The box also includes features to assist in placement and securement of the box to a wall.

Abstract: The excision of sample spots from a gel or membrane by pressing a cutting tool terminating in a hollow cylinder against the gel or membrane supported on a rigid surface is made more reliable by interposing a relatively pliable, intermediate layer on the side of the surface facing the gel or membrane. The pliability of the intermediate layer compensates for any irregularity or misalignment of the cutting edge of the cylinder relative to the gel or membrane.

Abstract: A hole center marking system comprises a punch device and an alignment member. The punch device includes a body assembly and a punch movably disposed within the body assembly. The body assembly has a circular cross-sectional exterior shape at a first end portion thereof. An indenting tip portion of the punch is forcibly biased to a position within the body assembly adjacent the first end portion of the body assembly. The alignment member has a central bore configured for having the first end portion of the body assembly engaged therein. The central bore of the alignment member is size to provide a close-tolerance fit between the central bore and the first end portion of the body assembly.

Abstract: The present invention provides a single-use surgical cutting device for cutting a planar piece of tissue into a predetermined shape. The cutting device comprises a housing having one or more side walls, a top, a base, and a hollow interior portion. A blade retaining member is disposed within the housing between and substantially parallel to the top and base such that the blade retaining member can move vertically between the top and base. A blade defining a predetermined tissue shape is disposed on the bottom surface of the blade retaining member. A pressure mechanism creates potential energy for exerting a downward force on the top surface of the blade retaining member, such that when the blade retaining member is released, the pressure mechanism forces the blade retaining member downward with sufficient force to cut the piece of tissue. An actuator is configured to release the blade retaining member only once without disassembling the housing and resetting the pressure mechanism.

Abstract: A hole-puncher having a roller module with knife protrusions and a mold module roller which are pivotally mounted to mouth sections of the hole-puncher. The knife protrusion roller module is provided with knife head protrusions of various sizes and at least a punching protrusion, and the mold module roller is provided with a plurality of knife mold seats and at least a chopping block. The knife mold seats are provided with protrusions, thereby holes can be punched by rotating the knife roller corresponding to the knife mold seat or the chopping block.

Abstract: A two piece punch is provided for use in a punch assembly. The punch includes a generally disc shaped cutter and a cylindrically shaped nut. The punch is assembled by passing a portion of the nut through an aperture in the cutter. The punch is mounted to the remainder of the punch assembly by fastening the nut to the draw stud. As the punch becomes worn, use of the nut continues while the cutter is removed and replaced.

Abstract: A knockout punch is provided with a member such that when the punch and the die are drawn together by the draw stud to make a hole in a workpiece, the member on the punch will locate the punch assembly in a pilot hole. In three embodiments of the invention, the member is formed integrally with the punch and extends from the punch proximate to a bore in the punch which is used to connect the punch to the draw stud. In another embodiment of the invention, the member is provided as an insert which is connected to the punch within a counterbore. The punch is also provided with a pair of piercing portions for piercing through the workpiece after the member has centered the punch assembly with the pilot hole and a pair of cutting portions for shearing the workpiece after the piercing portions have pierced the workpiece.

Abstract: An apparatus for boring stoma wafers is provided, which comprises a base and a cutter, and enables even a user himself to easily make in a stoma wafer a substantially elliptic hole having a beautiful inner circumference. The base comprises an upper base member on which a stoma wafer is placed so that the stoma wafer can be temporarily fixed thereon, and a lower base member supporting the upper base member so that the upper base member can be moved freely. After a stoma wafer in which a circular hole has been made by the cutter is slid with the upper base member, a circular hole is bored again by the cutter in a position which is staggered from the center of the initially-formed circular hole, and this enables a non-circular hole comprising not less than two staggered circular holes to be made in the stoma wafer.

Abstract: A fastening device of a punch assembly of a metal-work pneumatic tool including a threaded rod on a front end of a body of the pneumatic metal-work tool, and the threaded rod is connected, by means of threads, with a punch assembly. The punch assembly has a threaded rod with threads for mounting a threaded ring and a fastening ring mounted around the threaded ring. The position of the threaded ring is to be varied with the setting position of the punch assembly after proper adjustment. The threaded ring will be fastened in place with a stop screw so as to facilitate the later replacement of another punch assembly in a pre-set position without further adjustment of distance.

Abstract: A hydraulic punch driver which includes a hydraulic pump section a hydraulic ram section, and a hydraulic hose which connects these two sections together. Because the hydraulic hose is flexible, the operator is able to manipulate the ram section such that it can be positioned at an angle relative to the pump section; a hose guard can be provided on the hose to protect the hose and to prevent overflexing of the hose. Such flexibleness allows the operator to use the punch driver in virtually any position such that the ram can operate as necessary and the operator can operate the pump handle, regardless of the environmental conditions of the place of use. The pump section also includes a coupler which allows a handle thereof to swivel 360 degrees to further allow the operator to grip and actuate the pump handle with maximum comfort.

Abstract: A binder for receiving and retaining loose leaf papers comprising a cover, a binding mechanism coupled to the cover, and a hole punch coupled to the cover. The hole punch is configured to punch a set of holes in a sheet of paper such that the binding mechanism can be received through the set of holes to receive and retain the paper in the binder.

Abstract: A hole cutting device comprises a spike for driving through a sheet of material; at least one handle located on the spike at an end opposite to that of the tip of the spike; a first cutting member located on the spike and substantially adjacent the handle, a cutting edge of the first cutting member to be positioned substantially adjacent a first side of the sheet of material; a second cutting member located on the spike and joined with the first cutting member, a cutting edge of the second cutting member to be positioned substantially adjacent a second side of the sheet of material; and the handle moving the first cutting member toward the second cutting member to cut a hole in the sheet of material by the cutting edges.

Abstract: A punching machine has a power-driven plunger to which a punch is chucked to be driven into and out of a die for perforating sheet-metal work. The plunger has a punch socket formed centrally in its end for receiving the shank of the punch, and a plurality of ball guideways extending radially outwardly from the punch socket. Locking balls are slidably received one in each ball guideway for movement into and out of locking engagement in an annular groove in the shank of the punch received in the punch socket. Concentrically mounted on the plunger, a cam ring is sprung in one axial direction of the plunger for urging the locking balls into locking engagement with the punch shank. Each locking ball is elongated radially of the plunger with a view to reduction of the machine dimension axially of the plunger for given diameters of the plunger and the punch.

Abstract: A door mechanism punch-out apparatus and method is provided for cleanly and efficiently preparing recesses in doors and door jambs to accommodate flush installation of door hardware (latches, strikes, and hinges) into doors and door jambs. The door mechanism punch-out apparatus comprises a plate, a bar, and a cutting edge. The bar is fixedly connected to the plate, perpendicularly extending from the plate in one direction. For preparing a latch face recess in a door edge, the cutting edge of the apparatus exists along the perimeter of the plate, perpendicularly extending from the plate in the same direction as the bar. For preparing a strike or hinge recess in a door jamb, the cutting edge of the apparatus exists along the perimeter of the plate, perpendicularly extending from the plate in a direction opposite that of the bar.

Abstract: A hydraulic punch (1) having a hydraulic ram (2) and a hydraulic pump (3). The hydraulic pump having a body (4) and a reservoir having a longitudinal axis (XX) being secured to the ram and equipped with a manual operating lever (12). The ram is articulated to the pump body about an axis of rotation (ZZ) which is inclined with respect to the longitudinal axis (XX) of the pump reservoir. The ram (2) has a cylinder (7) containing a piston (8) and a ram end (9) forming a connection with the body (4) of the pump (3) to which it is rotatably articulated. An indexing device such as a ball (15) pushed by a spring and housed in indentations in the body (4) or in the ram end (9) allow the ram (2) to be kept in a chosen angular position (parallel or perpendicular) with respect to the pump (3). Furthermore, a longitudinal pull axis (YY) of the ram (2) is offset laterally from and parallel to the longitudinal axis (XX) of the reservoir of the pump (3).

Abstract: A manual gas venting and cutting apparatus for use in cutting an opening in and manually venting gas from the interior of a conventional unvented ostomy collection pouch includes a valve assembly having an open position, which permits gas to pass therethrough and a closed position, for preventing gas to pass therethrough. The valve assembly has an input portion for communicating with the interior of the ostomy collection pouch and an output portion for communicating with the atmosphere and a mounting device for mounting the valve assembly to a selected portion of the ostomy collection pouch. The mounting device releasably contains therein a portion of the valve assembly so as to position the input portion thereof proximate the interior of the ostomy collection pouch, and the output portion of the valve assembly proximate to the atmosphere.

Abstract: A draw punch of the type used for cutting holes in various materials such as sheet metal has a cylindrical body with a central bore through it and a cutting edge at the outside diameter of the body. A working face is defined at one end of the body between the cutting edge and the bore. The working face includes two diametral axial faces which extend from a root to a peak. The working face further includes two valleys located between the peak of one axial face and the root of the other axial face. Primary helical surfaces extend from a peak to a valley while secondary helical surfaces extend from the valley to the root. The helical surfaces are everywhere relieved in a radial direction from a plane normal to the axis of the body and intersecting any point on the cutting edge.

Abstract: A self-centering impact hand tool 10 has a forward tool member 14 with an elongated forward tool body 15 extending from a tool tip 17 to an anvil surface 19 at a rear end 18. The hand impact tool 10 has a plunger member 40 with an elongated forward end 44 having an anvil surface 46 for engaging the anvil surface 19. An elongated coil spring 60 has reduced diameter spring ends 64 and 66 mounted in corresponding spring latching grooves 22 and 54, respectively. Each of the members 14 and 40 have finger gripping sections 21 and 52 that are formed with a series of annular grooves 80 forming finger rings 82 for enabling the user to easily grip and hold the tool member 14 during the operation of the tool and the expansion of the coil spring prior to the release of the plunger member 40. Upon release of the plunger member, the anvil surface 46 of the forward end 44 is driven into a rear section 36 of a driving piston 33 to drive a brad, or nail or center punch rapidly and forcefully into a work surface 12.

Abstract: A cue tip conditioning device and method is disclosed which includes a circular array of pins surrounded by a casing which may be manually held to tap the sharpened ends of the needles against the surface of a cue tip. A beveled surface allows the rounded side circumference of the cue tip to be tapped and perforated without contacting and damaging the cue stick.

Abstract: This is concerned with a punch sometimes referred to as a draw punch which is constructed and arranged for enlarging holes in a large variety of materials, such as sheet metal, for example in junction boxes and the like where large tools cannot be used. More specifically this is concerned with a punch of the above type which is constructed and arranged to cut the metal or slug into two pieces so that they may be removed from the die without the assistance of a prying tool.

Abstract: A device for punching cutouts through sheets of drywall or similar wall covering sheets that are typically installed on framing members to which utility boxes are mounted. A cutting assembly is removably mounted over the utility or electrical boxes and the cutting assembly has substantially the same projected contour of these boxes with a puncturing member that cuts through the drywall. A pulling assembly engages with the protruding end of the puncturing member and adapted to pull it, and the cutting assembly to which it is rigidly connected, thereby producing a cutout that substantially follows the contour of the utility box that needs to be exposed through the drywall.

Abstract: The drywall die-cutting tool is comprised of a female plate having a center opening outlining a given size and shape with four corner holes to receive the legs of the extracting mechanism, and a male plate, being the cut-out of the female plate. The male plate has attached to the back face a convenient number of spring prongs to provide temporary fixation to an outlet box supported an a wall stud, said male plate also has, perpendicular at the center of the front face, a rectangular sharp pointy biade able to penetrate through a drywall board or any covering material when placed and pressed against it.

Abstract: The punching tool of the subject invention has a handle and a hand grip which can be rotated to any position convenient for use, so that the punching operation can be performed easily, irrespective of the shape of the object being treated. The manual hydraulic pump of the tool is connected for rotation to one end of a tubular connector, while the other end of this tubular connector is connected to a hydraulic cylinder in such a manner that the tubular connector can be turned about an axis perpendicular to the axis of the hydraulic cylinder.

Abstract: The punch comprises peripheral cutting edges and lateral cutting edges. The peripheral edges cut a slug in the desired shape, for examples, rectangular, square, oval, trapezoidal, D and double D-shaped, etc. while the lateral edges cut transversely from one peripheral edge to an opposite peripheral edge, thereby splitting the slug. Lateral cutting edges provide a dividing line across the working face. Surfaces and cutting edges on each side of the dividing line are similar and canted at opposite angles. Lateral cutting edges and peripheral cutting edges at their juncture provide pyramidal cutting sections which initially pierce the workpiece and initiate lateral slug splitting. This split grows from the slug periphery toward the center. Splitting is complete before a substantial portion of the slug periphery is cut.

Abstract: The panel punch includes a main punch configured to punch a trapezoidal opening in an electrical panel to receive an electrical chassis connector and a secondary punch integral with the main punch and extending from opposite ends thereof configured to punch a U-shaped slot in the panel extending from the ends of the trapezoidal opening to receive mounting screws for physically attaching the electrical connector to the panel.

Abstract: A tool which has spacer sleeves displaceable on a center punch and hollow shafts are adjacent to one another is intended for rapidly and precisely finding the center of holes and the longitudinal center of slots and channels, so that center marks and linear scribes can be made. The spacer sleeves and the hollow shafts have different diameters, and the hollow shafts are inserted one into the other in telescopic form. When a hollow shaft is fittingly inserted into hole (5) or slot (5) the center of the former or the longitudinal center of the latter can reliably be found by the center punch for making center marks or linear scribes in the slots. The tool can also be used for producing center marks on shafts and pins.

Abstract: An explosive actuated hand tool for cutting clean holes in sheet material, wherein the explosive force causes a piston to pull a punch toward a die, the material being located between the punch and die. Convenience and safety features include means for arming the firing mechanism by rotation of a locking ring which secures a cartridge in its chamber and means to prevent movement of a firing pin unless a lever has been moved from an OFF position to the ON position.

Abstract: An apparatus for punching a plurality of predetermined spaced mounting holes in a building roof panel support member includes an elongated housing having an oil sump therewithin, a hydraulic pump together with an electric motor for actuation thereof mounted on the housing, guide structure which can be opened and closed for temporarily mounting the housing upon a roof panel support member, an adjustable gauge pin mounted on the housing near one end thereof, the gauge pin being supported on a mount which is adjustable along both the length and the width of the housing, and a hydraulic punch adjustably mounted near the other end of the housing from the gauge pin for punching holes in the support member.The method of punching holes in a roof panel support member as disclosed herein is also part of this invention.

Abstract: A dry wall and masonary cutting tool comprised of an interior cutting box, the interior cutting box having a plurality of forward facing teeth for cutting a dry wall panel, a pair of locating nails for precisely locating the interior cutting box with respect to an exterior cutting box and, a pair retaining clips for retaining the interior cutting tool in the receptacle and a center threaded passage for accepting a threaded connecting screw; an exterior cutting box, the threaded connecting shaft and hole cooperating to pull the interior and exterior box together to cut the hole in the dry wall material; and a compression spring to push the threaded connecting shaft to an outward position when not engaged in drilling. In operation, the interior cutting box is placed in a wall receptacle, the panel pressed into place, the exterior cutting box positioned on the locating nails, and a hole drilled through the panel.

Abstract: The panel punch includes a main punch configured to punch a trapezoidal opening in an electrical panel to receive an electrical chassis connector and a secondary punch integral with the main punch and extending from opposite ends thereof configured to punch a U-shaped slot in the panel extending from the ends of the trapezoidal opening to receive mounting screws for physically attaching the electrical connector to the panel.