Abstract: A hand-operated, reciprocating slide hammer device for splitting wood or other workpieces. The splitter comprises an outer, elongated sleeve that internally receives a rigid, elongated tool control shaft. The sleeve is equipped with handles for gripping by a user so it may be first manually lifted upwardly and then forcibly drawn downwardly. An internal weight coaxially disposed at the sleeve top periodically slams the shaft when the sleeve is hammered downwardly. Alternate cutting tools including wedges, a root cutter, and an asphalt hammer, are disclosed. The selected tool is removably coupled to the shaft through a quick release collar system. The selected tool is manually placed in engagement with the workpiece, and thereafter pounded into the target as the sleeve vigorously hammers the shaft downwardly. Smooth, jam-free operation is insured by critical alignment guides disposed within an annulus between the shaft and the sleeve, and a venting orifice that facilitates periodic oiling.

Abstract: In combination with a cylindrical housing, a closure cap including a transverse end wall and cylindrical shell defining a bore and open end. A sealing device arranged between the bore and open end has an outer cylindrical sealing surface mating with an inner cylindrical sealing surface on the housing. A coupling device is arranged between the closure cap and cylindrical housing and includes three spiral webs on the inner surface of the closure cap shell between a first and second transverse plane. The first plane is remote from the end wall and the second plane is close to the end wall, each web having respective ends in the first and second plane, the ends in the first plane being circumferentially spaced from the ends in the second plane by an angle of less than 120 degrees. Three guide lugs radially extend from the cylindrical housing for engagement with the webs, the guide lugs being circumferentially spaced from each other by an angle of about 120 degrees.

Abstract: A device for coating a paper web includes two applicator rolls disposed parallel to one another, forming a roll gap for the passage of a paper web therethrough. At least one applicator for applying a coating onto a surface of at least one of the rolls is also provided. The coating roll thereafter transfers the coating onto one side of a paper web disposed in the roll gap. Guide elements disposed downstream of the roll gap with respect to a direction of travel of the paper web through the device include at least one beam-like air guide element adapted to create an air cushion-between the paper web and a surface of the air guide element facing the paper web. The air guide element is disposed in such a manner as to deflect a paper web at least once downstream the roll gap. At least one air guide element is disposed directly downstream of the roll gap at a distance from the roll gap of about 0.3 times to about 1 time the diameter of at least one of the rolls.

Abstract: Improvement in pacemakers for a quick and safe replacement thereof without interrupting the electric stimulation of the patient's heart from the outside, wherein the contact pin of the electro-de-catheter inserted in the pacemaker is accessible from the outside, and related tool to be utilized therewith by which tool the contact pin can be pushed out of the pacemaker; the tool is provided with contact means to the electrode catheter which means make it possible the uninterrupted electric stimulation of the heart during the whole replacement operation of the pacemaker.

Abstract: A coupling between the piston and cylinder controlling and actuating member and the bending head of a portable pipe bending machine comprising a collar (5) made up of two half collars (5', 5") with concavities complementary with the side wall of the cylinder (3), which are removably joined (6, 6') to each other to clamp the cylinder itself, one of them (5') being rigidly joined (6, 6') to the bending head (1), a coupling which is desired further comprises structure for preventing the axial displacement of the collar (5) upon the cylinder (3), particularly a groove (9', 9") on the collar and a complementary ridge (9) on the cylinder (3).

Abstract: An apparatus for coupling a vertically oriented internal combustion engine to an axial piston pump for use with pressure washers. Attached to the lower surface of the engine is a circular flange with inwardly extending ribs which supports a pump attachment unit. The pump attachment unit is comprised of a series of concentric annular rings for an oil seal and thrust bearing and for pump attachment. The pump drive shaft slides over and is keyed to the engine drive shaft and has an annular lip for mating with the thrust bearing. The pump wobble plate is bolted to the lower end of the pump drive shaft.

Abstract: A positive internal latch lock for an injection mold having outer, intermediate, and inner plates movable between open and closed mold positions. The latch lock includes a mechanism for securing the outer and intermediate plates at a predetermined spaced distance when the mold is opened at a first parting line between the outer and intermediate plates. Further, the latch lock provides a mechanism for locking the intermediate and inner plates together until the outer and intermediate plates are secured at the predetermined spaced distance. After the outer and intermediate plates are secured, the intermediate and inner plates are allowed to open at a second parting line.

Abstract: A hydrocracking process is provided which process utilizes a sulfated solid catalyst comprising (1) oxide or hydroxide of Group III or Group IV element, e.g. zirconium, and (2) a first metal comprising a metal or combination of metals selected from the group consisting of platinum, palladium, nickel, platinum and rhenium, and platinum and tin. The catalyst may further comprise (3) a second metal selected from the group consisting of Group VIII elements, e.g. iron. One embodiment of the invention further comprises (4) a third metal selected from the group consisting of Group V, VI and VII elements, e.g. manganese.

Abstract: A signal transmission system includes one or more signal transmitting units, one or more signal receiving units and a medium adapted for the transmission of selected signals. A transmitted signal carries a number of signal elements which have been allocated to the same or different categories. A number of signal elements that have been allocated to the same category can be coordinated in a receiving unit to form predetermined information. The system includes a unit to increase the number of signal elements that have been allocated to one category (CTS) at the cost of the number of signal elements that have been allocated to another category (DTS) and/or a third category, and so on, or alternatively to carry out one or more selected functions within equipment connected to the receiving unit.

Abstract: A variable geometry exhaust nozzle for a turbojet engine is disclosed having an array of outer flaps and an array of inner flaps radially spaced apart and extending about a central axis of the exhaust duct structure. The array of outer flaps comprises a plurality of outer flaps each having an upstream end pivotally attached to the engine duct structure. The array of inner flaps comprises a plurality of upstream inner flaps, each having an upstream edge pivotally attached to the engine duct structure and a plurality of downstream inner flaps each having an upstream edge portion pivotally attached to a downstream edge portion of a corresponding upstream inner flap. A control annulus is movably attached to the engine structure so as to be movable axially along the central axis and is connected to an actuator which moves the control annulus between upstream and downstream limit positions along the central axis.

Abstract: A wrapping method and machine, particularly for food products such as chocolates and similar, whereby the products are fed in an orderly succession along a first curved path to a pickup station where they are gripped by respective gripping devices moving along a second curved path for feeding the products to a wrapping device; the first and second paths being substantially coplanar and substantially tangent to each other at the pickup station.

Abstract: The instant invention concerns an industrial sewing machine of the type comprising a double clamp for gripping and transporting the patch and the fabric on the work surface, this clamp being applied to the front of a trolley, connected both to the first slide of a cross shaped table, activated by a motor by means of a toothed belt, and to the rack rod of a rack and pinion, activated by a motor; this sewing machine is characterised by the fact that the aforementioned cross shaped table is positioned above the trolley and fixed below a support plate, the support plate being below the projecting arm of the sewing machine.

Abstract: A naphtha upgrading process is provided which process utilizes a sulfated solid catalyst comprising (1) oxide or hydroxide of Group III or Group IV element, e.g. zirconium, and (2) a first metal comprising a metal or combination of metals selected from the group consisting of platinum, palladium, nickel, platinum and rhenium, and platinum and tin. The sulfated support is calcined prior to incorporation of the first metal and subsequent to said incorporation. The catalyst may further comprise (3) a second metal selected from the group consisting of Group VIII elements, e.g. iron. One embodiment of the invention further comprises (4) a third metal selected from the group consisting of Group V, VI and VII elements, e.g. manganese. Said second and third metals are added prior to the first calcination.

Abstract: Described is an injection molding mold for the production of fittings from thermoplastic material which have at least one annular groove at the inside, comprising a mold core which is formed in the region of the annular groove of the molding by segments (8, 8') which can be moved inwardly to such an extent that the mold core can be moved out of the annular groove in the axial direction, wherein the inward and outward movement of the segments (8, 8') is produced by rotation of a control shaft (11) and wherein each of the segments (8, 8') which are only radially movably guided in a stationary guide disk (15) is provided with a projection (14) which engages into a guide slot (13, 13') in a control disk (12) which is fixedly connected to the control shaft (11).

Abstract: A sorter with a symmetric screen which is arranged concentrically in an essentially symmetric housing, and in the interior of which there is contained a concentric rotor drum that features on its periphery sorting elements sweeping across the screen, circulating at least parts of the suspension being sorted around the walls of the drum. The sorting elements are of a design such that they will generate a vortex flow of the suspension in the housing. The housing features at its periphery at least one removal duct for heavy contaminants and, in one of its end walls, a central lightweight dirt drain. The housing end wall that features the lightweight dirt drain has, in the direction away from the screen and the rotor drum, from radially outside to radially inside, a diameter that tapers in conic fashion by maximally 11 mm per each 3 mm of axial housing length, and minimally by 2 mm per each 3 mm of axial housing length.

Abstract: Isoparaffins and olefins are alkylated by contact with a solid superacid such as sulfated zirconia optionally containing added metals, and containing added heteropolyacids (HPA's) or polyoxoanions (POA's). The presence of HPA's or POA's in the solid superacid catalyst results in higher yields of desired high-octane components in the product mixture than are obtained in the absence of HPA's or POA's.

Abstract: The apparatus includes a mobile receiver for digital audio broadcasting. The transmission process is substantially entirely digital and a whole frequency range is used for the terrestrial transmission. The apparatus includes a receiver for a digital radio signal, particularly wherein the filter coefficient is changeable by a control circuit which generates a first value for the filter coefficient to get the real signal component and thereafter generates a second value for the imaginary signal component, whereby with the switching over of the first and second values for the filter coefficient a simultaneous downsampling of the digital signal is performed.