A yarn splicing device for spun yarns, wherein extremities of ends of the yarns which are inserted in overlapping and oppositely directed relationship in a yarn splicing hole are acted upon by flows of a fluid turning to be spliced with each other. The yarn splicing hole is substantially divided in an axial direction thereof into two yarn splicing holes which have center axes displaced from each o...

In order to obtain a bobbin holder of universal use for bobbins with bobbin tubes of different formats and differing conicity, at least two spreadable levers (9, 10) are each mounted in an articulated manner at their rear end on the carrier (4) designed as a hollow body. Each lever is connected in an articulated manner to a respective toggle lever (14, 15). All the toggle levers are themselves con...

A system for preparing and splicing two yarn ends has preparation nozzles in a turbulence chamber adjacent the end faces of a casing. The preparation nozzles improve the quality of the splicing by thinning the yarn ends. Compressed air or a partial vacuum can operate the preparation nozzles. With preparation of the yarn ends in the turbulence chamber for the splicing, the expenditure for a prepara...

A multicell electric storage battery includes a compartmented container covered by a lid and has two or more cells, each containing alternate positive and negative electrodes interleaved with compressible fibrous absorbent separator material and substantially no free unabsorbed electrolyte. Every alternate electrode in the two end cells is a unipolar plate 12 and the remaining electrodes are one h...

PURPOSE:To prevent assuredly the runaway of a work truck due to a malfunction by stopping the travelling of the truck when both travelled distance and turning angle exceed the set value respectively or the distance of shift exceeds the prescribed value. CONSTITUTION:The 1st controller 13 operates a speed change gear 18 and an electromagnetic brake 19 to stop the travelling of an unmanned work truc...

In a briquette of finely divided material, such as paper, wood chippings, wood dust and/or straw, which is pressed into a briquette together with a bonding agent, the bonding agent comprises combustion particles from the smoke from the combustion of heavy-duty burning oils, such as so-called fuel oil, a briquette is obtained offering good cohesiveness and surface strength and low wear and tear in ...

This disclosure relates to a sealant laminate to be primarily used in pneumatic tires to seal punctures made by external objects, such as nails. The laminate of the invention comprises a puncture sealing layer and at least one other layer, the puncture sealing layer containing a polymeric material that has been at least partially degraded by exposure to irradiation or to heat in the presence of ...

Flexible polyurethane foam having reduced tendency to form burning embers when it is ignited and burned is provided by incorporating into the reaction mixture before foaming a ketone or benzaldehyde. In a preferred embodiment, flexible polyurethane foam of increased flame retardance is provided by also incorporating a flame retardant into the reaction mixture before foaming.

A flat cylindrical carcass band is built on a cylindrical surface provided by a unique shaping means and abutting turnup means. The shaping means has inner and outer walls the ends of which are juxtaposed solid elastomeric end rings so as to form an annular envelope. The outer wall has between its inner and outer layers an arrangement of spring blades of particular shape formed to control the toro...

1. A process for the continuous production of semi-manufactures consisting of fiber-reinforced thermoplastic polyurethanes, wherein (a) organic polyisocyanates, (b) polyhydroxy compounds having molecular weights of from 500 to 8000, and (c) chain extenders having molecular weights of less than 500, in the presence of (d) catalysts and, if desired, (e) auxiliaries and/or (f) additives, are mixed co...

Raw materials are reclaimed from magnetic tape scrap by cutting the scrap into small pieces; treating the cut scrap with aqueous alkali solution; stirring the alkali-treated scrap at high speed thereby completely separating them into tape substrate and magnetic powder; washing the scrap with water and draining it; stirring only the tape substrate fragments at high speed under vacuum and at a tempe...

PURPOSE:To activate the surface of a polybutadiene formed product without generating harmful waste liquid by causing said product to be in contact with the water containing lipoxydase or the water containing catalase in the atmosphere including hydrogen peroxide. CONSTITUTION:Polybutadiene formed product is made to be in contact with the water containing preferably 0.005% lipoxydase or the water c...

A down-hole temperature, pressure and time measuring and digital data storage tool, utilizing self-contained microprocessor-based data taking and data reduction, with power conservation realized by processor controlled powering of data transducers only during sample periods and control of the rate at which samples are taken as an inverse function of dynamically calculated data rate of change. Data...

A device for controlling the inclination of underground bore holes is in form of a drill guide rod having an outer element and an inner element which rotates coaxially in the outer element. Gib-shaped members can be pivoted out from the outer element in the same manner as the ribs of an umbrella, and electrical inclinometers in the rod furnish the signals which control the time and degree of such ...

A bore-hole logging electrode structure for a drill string, includes a drill string segment (10) having a recess (16) along an axial length thereof, a sleeve (48) of electrically nonconductive elastomeric material in said recess (16) and a plurality of bands (49) of electrically conductive elastomeric material embedded in said insulating sleeve (48) to constitute the electrodes.