A drive shaft (2) rigidly carries disks (4) through which parallel and eccentric hammer carrier axles (6) pass. Between the disks (4), hammers (7) are mounted pivotably about the hammer carrier axles (6). Protective covers (8) cover the disks (4) and the inter-disk spaces not occupied by hammers. Each cover (8) has the form of a sector of cylinder terminating in rims (11, 12) facing the drive shaf...

In order to assure the geometric uniformity of a tire molded with a segment mold when the sculpturing of said tire includes blocks 11 surrounded by recesses formed by grooves 15 and incisions 16, the said grooves 15 are thinned at the level of the joint planes 550 between segments. Furthermore, wear indicators 17 are arranged at the level of the joint planes 550 between segments.

Device for the supply of weft threads in weaving machines, characterized in that it consists of the combination of at least one bobbin support (1) over which it is possible to slip a bobbin (2); a thread guide duct (3) which stretches out axially through the bobbin support (1) and which gives out into the environment of the top (4) of the bobbin support (1) to which the end of yarn (5) of a bobbin...

The invention relates to a mobile X-ray apparatus with an X-ray tube, which is secured via an arm arrangement on a carriage, which is provided with wheels and can be run along the ground. The X-ray tube is adjustable in the longitudinal direction of the carriage and vertically. In order to obtain a mobile X-ray apparatus in which a rapid and simple positioning of the X-ray tube can be carried out,...

The invention relates to an X-ray examination unit with a column (8) carrying an X-ray system which can be displaced in parallel rails (10) on the floor and on the ceiling of the examination room. The floor rail (10) is a hollow profile open at the top in which wheels (17) of a carriage (16) arranged on the bottom part of the column (8) are guided. The open upper side of the rail (10) is covered b...

An apparatus for removing sliver residues from a coiler can includes a transporting carriage for transporting a coiler can along a path of travel. The transporting carriage has an undercarriage; two generally vertically oriented walls supported on the undercarriage and having respective upper portions; a transverse beam interconnecting the walls at the upper portions thereof; a receiving bay defin...

The invention relates to a bearing arrangement at the intake aperture of a centrifugal pump impeller in which a bearing shell (5) arranged in the housing (4) can be fitted from outside the pump. The bearing shell (5) is positioned by a retainer (7) and the flange (10) of a pipe to be connected thereto.

A splicing head for textile yarns comprises a chamber with a longitudinal groove for joining the yarns, and a compressed air pipe feeding into the chamber. A hood or cover may temporarily cover the groove. The splicing head and its cover may be exchanged quickly to accommodate a change of yarns under treatment.The splicing device is quickly adaptable to splicing different kinds of yarn efficiently...

An improved biodegradable controlled release system consisting of a polymeric matrix incorporating a local anesthetic for the prolonged administration of the local anesthetic agent, and a method for the manufacture thereof, are disclosed. The polymers and method of manufacture used to form the PLAMs are selected on the basis of their degradation profiles: release of the topical anesthetic in a lin...

In a process for allocating data sets to time vales of a consecutive sequence, each time value is stored as a data string in a field. Read-out of a given time value starts at the beginning of the data string and continues up to the selected time value. A time value can be allocated to each unit of a data string and vice versa.

The safety circuit, as in P4127421, has an actual and/or required parameter value subjected to a test oscillation with a monitoring comparator used to verify the function of all components of the safety circuit, which operates an automatic shutter upon failure. The self-testing oscillation is provided via the laser beam using a deflection system in the beam path, under control of a piezoelectric s...

A prawn shelling machine has a transport wheel with grippers and an advancing element to load the grippers, so that each prawn can be set in a correct position, relative to body and tail, at the right time for the gripper, and the subsequent process. The dual conveyor band (75') are arranged in V formation, with motors (72) and shaft (60) at each side. The conveyor accepts the prawns (10) tail fir...

PCT No. PCT/JP88/00994 Sec. 371 Date May 29, 1990 Sec. 102(e) Date May 29, 1990 PCT Filed Sep. 29, 1988 PCT Pub. No. WO89/03077 PCT Pub. Date Apr. 6, 1989.An automatic travelling system for use in combination with a construction vehicle is disclosed. The automatic travelling system for use with a construction vehicle comprises a plurality of guide lines serving as a main traveling path device for ...

The invention is a valving device for use in laparoscopic surgery. The device generally has a valve housing having a wall defining a common channel. The channel includes at least first and second apertures extending through the channel wall to allow fluid communication to and from the channel. The invention also includes a laparoscopic probe having a channel created by a wall defining a first open...

The invention provides a food wrap film containing a layer of a composition containing : from 20 to 50 wt % of LLDPE; from 1 to 10 wt % of an elastomeric polymer; from 40 to 79 wt % of a copolymer of ethylene and an ethylenically unsaturated ester; the weight percentages being calculated on the total polymer weight; and said film containing a minor amount of additives to provide, in combination ...

A biaxially stretched film of an ethylene copolymer, preferably a mixture of (A) 90 to 50 % by weight of a linear ethylene- alpha -olefin copolymer having a density of 0.90 to 0.93 g/cm<3> at 25 DEG C and a melt index of 0.2 to 3.0 g/l0 min. and (B) l0 to 50 % by weight of an ethylene polymer having a density of 0.87 to 0.9l g/cm<3> at 25 DEG C and less than the density of the copolymer (A) by at ...

A hydraulic control device for controlling a belt-and-pulley type continuously variable transmission for a motor vehicle which has two variable-diameter pulleys connected by a belt, and two hydraulic actuators for changing effective diameters of the pulleys. The hydraulic control device includes a first and a second pressure regulating valve for adjusting a pressure of a fluid supplied from a hydr...

A method for producing a laminated material comprising a lower layer of highly-expanded plasticized polyvinyl chloride with cross-linking and a surface layer of thermoplastic resin sheet laminated on an upper surface of said lower layer, said method comprising; sufficiently heating and kneading raw materials for the lower layer except a cross-linking agent and a blowing agent mixing with the react...

An EVA closed cell foam typically comprises 100 parts of EVA, 1 to 5 parts of azodicarbonamide, 3 to 10 parts of zinc oxide, 1 to 5 parts of zinc stearate, 1 to 3 parts of stearic acid, 15 to 25 parts of electrically conductive carbon black and 0.6 to 1 parts of peroxide crosslinking agent by weight thereof. The composition is stirred in a stirring machine. The stirred composition is mixed in a mi...