Method of joining textile threads, respectively, formed of a plurality of twisted-together filaments by splicing the threads with the aid of compressed air, the threads being inserted into a splicing chamber having a compressed-air channel communicating therewith, the threads being fed from two sides of the splicing chamber and being held by respective thread holding members, which includes, prior...

DISPOSABLE DIAPER A disposable diaper comprising, a fluid impervious back sheet, a fluid pervious front sheet, a first absorbent pad adjacent the front sheet and comprising a loosely formed fibrous mass, and a separate second absorbent pad between the first pad and the back sheet, with the second pad comprising a mass of fibers having compressed regions extending throughout a substantial part of t...

Title Process for Bonding and stretching Nonwoven Street Fibrous polyolefin nonwoven sheets are bonded and stretched in a continuous, multiple stage process. First, the sheet is heated without significant stretching to a temperature that is close to, but below, the melting of the polyolefin. Then, as the sheet is forwarded to a first stretching stage, the sheet temperature is decreased by 5 to 40....

A device for treating fine particles is provided which comprises a plural number of reaction chambers (2a, 2b, etc.) for providing reaction fields different from each other provided along the flow pathway on the downstream side of a nozzle (1) which jets out fine particles in a beam. The device may be provided with a chamber (2a) for a starting material for forming fine particles. The nozzle (1) m...

A process for preparing polyurethane foams comprising reacting polyol with polyfunctional isocyanate in the presence of an auxiliary blowing agent comprising 1 monofluoro 1,1 dichloroethane. The amount of auxiliary blowing agent used is from 60 to 80 wt % of the amount of conventional auxiliary blowing agent consisting of trichlorofluoromethane that would be required to obtain comparable foam dens...

A method and device for producing vehicle tire bead-bead filler assemblies (2), whereby green elastomeric material is injected, by means of an externally-cooled distribution tank (38), into a number of annular chambers (22) defined by two half molds (6, 7) closed about a substantially cylindrical inner core (8); an inner portion of each chamber (22) being occupied by a respective bead (3) preassem...

The invention relates to new aryloxy phenoxy acyl malonates of the general Formula I (I) a process for the preparation thereof and herbicidal compositions comprising the same. In the general Formula I R1 stands for hydrogen, halogen, trifluoromethyl, trifluoromethoxy or cyano; R2 represents hydrogen, halogen or methyl; R3 is C1-4 alkyl; and the R3 substituents may be the sa...

APPARATUS FOR PRODUCING RAPIDLY QUENCHED METAL PARTICLES Apparatus for continuous preparation of rapidly cooled metal particles from a molten source metal by quenching into a quench liquid, wherein a cylindrical quench chamber rotates about its axis to hold the quench liquid against the inner wall thereof under centrifugal force, and a spinner disk within the quench chamber rotates about the same ...

An electrosurgical generating system and method including an electrosurgical generator; and a handpiece including an active electrode connected to the electrosurgical generator for applying electrosurgical current from the generator to a patient, the handpiece having switches disposed thereat for changing the level of the output power delivered from said generator to said patient whereby the chang...

In a process for the separation of nitrogen from air, gaseous air is compressed in compressor 2, cooled and purified in a reversing heat exchanger 12, and then distilled in a single distillation column 32 to obtain a pure gaseous nitrogen overhead stream 34 and an oxygen enriched liquid bottoms stream 36. All of the bottoms stream 36 and a portion of the overhead stream 34 are passed to a condense...

In a gas turbine the quantity of cooling air required to cool the turbine (3) is reduced by the evaporative cooling of air bled from the compressor discharge for cooling purposes (34). The evaporative cooling is accomplished by spraying pressurized water (37) into a bleed pipe (23) which diverts the cooling air from the compressor discharge to the turbine (3).

This relates to a hydraulic brake system particularly adapted for use in conjunction with large rotating masses. The system includes at least two calipers which are widely spaced. In accordance with the system, there is positioned adjacent each caliper a solenoid valve and there is at each valve a constant supply of hydraulic fluid under pressure so that when the valve is actuated there is an imme...

Method of toughening the structure of a diamond or diamond-like coated tool, by the steps of: (a) depositing, by low pressure CVD, a plurality of layers of separated diamond or diamond-like particles onto a nondiamond or nondiamond-like tool substrate (i.e., SiAlON, Si3N4, SiC, Si, Ti, Co cemented WC, TiC, Ni-Mo cemented TiCN), the substrate being selected to facilitate diamond or diamond-like dep...

A synthetic Class C fly ash results from a substantially homogeneous blend of about 40-60% by weight of a Class F fly ash and about 60-40% by weight of cement kiln dust (CKD). This new fly ash can replace about 25-50% by weight of portland cement in conventional formulations with coarse and fine aggregate for making general purpose concrete and particularly ready-mix concrete with comparable compr...

Concentration of aqueous solutions of isopropanol may be effected by a composite membrane including a dibromobutane cross-linked poly(4-vinyl pyridine) bonded to a porous layer of polyacrylonitrile on a polyester backing.

Thermoelectric elements with excellent thermoelectric characteristics such as Seebeck coefficient thermoelectromotive force and thermal conductivity can be produced by molding a powder of metal or metal alloy as the raw material and then sintering; by using as such raw material, ultra fine powders containing Fe and Si as main components and having a mean particle diameter of 50 to 5,000 ANGSTROM ...

A method of making a permeation-resistant silicone elastomer-containing laminate useful for making fluid-containing implants such as mammary prostheses and gastric balloons. The method is accomplished by a) applying a layer of an unvulcanized heat-curable silicone elastomer composition to a cured silicone elastomer substrate, b) applying a layer of a solvent dispersion of a permeation-resistant el...

Rubber compositions are disclosed which are capable of exhibiting superior adhesion and high water resistance in bonding rubbers to brass and to organic fiber cords and also to different rubbers. Such bonding characteristics can be obtained by the use of specified amounts of a selected class of organic sulfur-containing compounds combined with sulfur-curable rubbers, silica, resorcin donors and me...

A prepeg formulation comprising prepreg filament fibers unidirectionally aligned, and/or woven and nonwoven fabrics, a thermosetting matrix resin and a small amount of well dispersed inorganic whiskers in the resin, alone or in combination with extremely fine fibers of a thermoformable polymer having at least one of a Tm or Tg greater than about 300 DEG C. or no Tm or Tg and a decomposition tempe...

Microporous polyetheretherketone (PEEK) membranes and hollow fibers are formed without sulfonating the PEEK polymer. A method of making membranes, fibers and articles from solutions of PEEK in non-sulfonating acid solvents is claimed. Solvents include methane sulfonic acid and trifluoromethane sulfonic acid. Sulfuric acid may be used as a diluent in non-sulfonating amounts. PEEK membranes are used...