Abstract: A semi-full cut semiconductor wafer is put on an adhesive sheet attached to a ring frame. Then, the semiconductor wafer is pushed upward from the back surface of the adhesive sheet by a rotatable breaking member in the shape of a disk the edge portion of which is triangular in section. In this state, the ring frame is moved so that the breaking member may not deviate from dicing lines, whereby the semiconductor wafer is divided into a large number of chips.

Abstract: A sliding-weight operated hole boring tool can be used to make holes of various length or depth in varied soil conditions. A uniquely-shaped tool bit helps to form a smooth, clean hole. In preferred embodiments, detachable elongated stems are used to vary the length of the tool, and water is used to aid boring in hard soil.

Abstract: A pre-printed art sheet member having permanently impressed border lines, fold lines, and printing marks and indicia to facilitate the preparation of advertising lay-outs and printed advertisements.

Abstract: This invention relates to a pin head assembly and in particular to one comprising a stopper having a neck at its inner surface, a hammer disposed within the stopper with the upper end thereof threadedly engaged with a rod of an air cylinder, a body located under the stopper and suspended by two springs with the upper end thereof bearing against the neck of the stopper, a ball mounted into the lower end of the body and a funnel threadedly engaged with one side of the body.

Abstract: There is disclosed a unitary laminated identification card and insignia comprising a lamination including a sheet element carrying photographic information, such as the likeness of the card bearer, a protective plastic sheet member therefor and a relatively thin embossed insignia member having an insignia pattern, the raised portions of the embossed insignia pattern providing an effect of optical dimensionality (depth) visually detectable through a protective plastic sheet member laminated thereto.

Abstract: A board for writing by means of a pen producing erasable marking comprises a header (2) fixed to it by means of a hooking device which permits the header to be removed from the board and hooked again an infinite number of times without damaging any part of the header or the board. The hooking device consists of wings (7) which act as a guide when the board and the header are assembled, a pair of elements (8) of inverted "U" shape which are inserted into a pair of openings (6) located in the board.

Abstract: A speed limiter for setting the speed of an air tool has a flow passage body which screws into the air inlet of the tool. The body defines an axial air flow path therethrough with an annular land adjacent to internal threads. An adjusting insert is threaded to the internal threads and has a pair of opposed axially extending grooves formed in its periphery which extend further radially inward than the land. The size of the air flow passage and therefore the speed of the tool is varied by adjusting the insert toward or away from the land.

Abstract: A method of manufacturing a liner for a magnetic disk which is formed of non-woven fabric and has a predetermined width, a predetermined length, a central opening and contoured four corners comprising steps of supplying a plurality of non-woven fabric strips, each having a width substantially equal to the width of the liner to be formed, in a stacked state, stamping out openings in the stacked non-woven fabrics, cutting the portion of the stacked non-woven fabrics corresponding to the contoured four corners of the liners to be formed, simultaneously with the stamping of the openings, subsequently separating the non-woven fabric strips and cutting the leading edge portion of the non-woven fabric strips into the predetermined length.

Abstract: Continuous stationery capable of being easily divided up into individually separated sheets. The sheets 10 are joined at their transverse edges, 13, 14, 15 etc. Additional score lines 21 and 22 run transversely across the sheet and extend beyond longitudinal score lines 16 and 18 into the vertical margins. A row 27 of punched holes is formed adjacent score line 16. Information is printed on the area 25. To assemble the information, the vertical marginal portions are removed along score lines 16 and 18. The horizontal marginal portions are then removed by tearing along score lines 21 and 22, leaving a pile of printed separated sheets which can then be put in a loose-leaf binder to form e.g. an address book.

Abstract: A blade quality monitor for use with cutter reels having specifically identifiable blades utilize a sensor to detect the position of a physical anomaly on the reel. Additional sensors sense the force at the interface between the cutter reel, the material wrapped thereon and the associated pressure roller. The position of the physical anomaly is correlated with the sensed force to determine the magnitude thereof at each blade which is indicative of the condition of the blade with respect to sharpness or intactness.

Abstract: A multiple ply document for receiving recording information includes a top ply having a machine readable code printed thereon, one or more intermediate plies and a bottom ply secured together by means of a line of adhesive along one edge thereof. The top and intermediate plies are secured to respective overlying and underlying plies by means of staggered lines of adhesive to secure the piles at another area of the document. The top and intermediate plies also each include a line of weakening slightly below the respective line of adhesive to permit removal of a portion of the first ply and of the middle plies and leaving an upper portion of the top and intermediate plies on the document.

Abstract: A multiple ply document for receiving recording information including a top ply having a machine readable code printed thereon, a bottom ply secured by means of a line of adhesive to the top ply adjacent one edge thereof, a line of weakening in the top ply distal from the line of adhesive to permit removal of a portion of the first ply, and at least one middle ply extending to a position adjacent the line of weakening and secured to the bottom ply by means of a line of adhesive adjacent the line of weakening.

Abstract: A hand-held power cutting tool has a generally cylindrical casing, which can be grasped in the palm of one hand, and whose rear portion housed an electric driving motor disposed in the casing with its axis of rotation lying along the longitudinal axis of the rear portion. Reciprocated by the motor via a drive transmission system is a cutter carrier mounted for reciprocatory movement in a bearing support structure. The cutter carrier carries a clamp by which a cutter is attached to the carrier. The carrier is reciprocated at a rate of between 4,000 and 12,000 movements per minute and with a stroke of from 4 to 12 mm for rapid cutting of thin material. The cutter may have a generally U-shaped blade.

Abstract: Disclosed herein is an improved combination fork and knife which includes a fork portion having a plurality of tines, a knife portion including an elongated cutting edge and a tab structure located on a side thereof opposed to the cutting edge, which tab portion is designed to be engaged by the index finger of the user to aid in applying pressure when using the cutting edge. In a further aspect, an indicator is incorporated into the utensil which is designed to enable the user to discern the exact location on the utensil where the cutting edge begins so as to avoid cutting of the user's mouth.

Abstract: A corner cutting machine for notching corners out of plate stock located on a work table by means of upper and lower knives arranged at an angle to form a V-shaped cutting edge. Work piece stop and positioning edges are mounted to adjustment heads which are mechanical for remotely controlled motor driven longitudinal movement in converging slots provided in the work table and rotary movement relative to the work table.

Abstract: An apparatus for scoring or cutting has a generally stationary frame, a lower cradle in the frame, and a plurality of lower rollers rotatable in the cradle about respective roller axes and all tangent to an imaginary lower cylinder centered on a lower axis. A lower arbor centered on the lower axis has one end projecting into and supported by a lower journal in the frame and an opposite unsupported end. A lower tube is fitted snugly on the lower arbor and has an outer surface lying on the lower cylinder and resting on the lower rollers. Similarly, an upper pressure plate in the frame carries a plurality of upper rollers rotatable in the pressure plate about respective axes and all tangent to an imaginary upper cylinder centered on an upper axis. An upper arbor centered on the upper axis has one end projecting into and supported by an upper journal in the frame and an opposite unsupported end.

Abstract: A pipe cutting device comprises a housing to which a tool case is attached to be rotatable, and by rotating manually or electrically the tool case so that the openings of the tool case and a follow-up gear disposed in the tool case substantially align with the opening provided for the housing, is formed a pipe inserting passage for inserting a pipe from the opening side of the openings of these members towards the central portion of the tool case. Two driving gears meshed with the follow-up gear are driven by a motor through the power transmission mechanism to rotate the tool case. The rotation of the tool case drives the cam roller to operate the cam plate, and the clutch arm is rotated by predetermined angles by every one rotation of the tool case thereby to minutely rotate the eccentric cam by predetermined angles through the one-way clutch. The rotation of the eccentric cam rotates the lever mechanism which is operatively connected to the cutter.

Abstract: A fuzz remover wherein a blade having cutting edges at side edge portions thereof is held between a fuzz remover body having at both side edge portions thereof a plurality of teeth each of which projects therefrom in upwardly-inclined state and a bottom member attached to the lower surface of said fuzz remover body. The cutting edges of the blade project from the side edge portions of the fuzz remover body and the teeth project beyond the cutting edges. The outer ends of the teeth are connected by connectors.

Abstract: An improved quick clamping device to hold armored cables such as BX cable for cutting. The device includes a handle for receiving the cable which is preferably U-shaped and which defines a cable receiving channel. A clamping handle is hingedly attached to one end of the cable receiving handle. A clamping stud with a two-sided stop adjustable along its length is slidably held between the clamping and receiving handles such that when the handles are compressed the clamping stud projects into the cable receiving channel and clamps the cable. A spring biasing means on one side of the stop serves to hold the handles in the open, unclamped position prior to use. A resilient means such as a bowed spring steel washer is provided on the other side of the stop which compresses as required to prevent excess clamping forces from being generated which might damage the clamp. A saw is preferably mounted on a pivoted saw handle to cut the cable which it is clamped.

Abstract: A rotary hammer has a hammer body with an electric motor section which comprises a receiving section for receiving transmission mechanisms in a frame which serves as a shell barrel. A driving electric motor is installed in the shell barrel. The body also has a vibration and transmission mechanism section in which the transmission mechanisms including the motion conversion transmission mechanism and the vibrating mechanism are held by a bracket removably connected to the frame. In addition, the hammer body has a tool holding section in which the tool holding member for concomitantly rotatably holding the tool is rotatably supported by a bracket removably connected to the frame. The three sections are so arranged that they can be assembled and disassembled individually as separate component units.