A pipe of thermoplastic polymer, e.g. polyvinylchloride is extruded by an extruder comprising an extrusion die (2) having a moulding end part (2a) with heating elements (11) located about said end part. The wall thickness of the pipe is controlled in order to obtain a pipe of a substantially even wall thickness. For said control the wall thickness of the extruded pipe is measured at 360 points equ...

NEW MATERIAL:A phosphatidylcholine type polymerizable phospholipid of formula I (n is integer of 5-11; l is integer of 13-21). EXAMPLE:1-0-[ 11-(p-Vinylphenoxy) ]undecanoyl-2-0-alkyl-rac-glycerol-3-phospho cho-lline. USE:A starting material for prepariang microcapsules: since it has a styrene nucleus of high photopolymerizability, it can form microcapsules by photopoly merization. PREPARATION:A ca...

NEW MATERIAL:The compound of formula I (X<1> is halogen; R<1> is H or lower alkyl; R<2> is lower alkyl, acetyl, carbamoyl or cyano) and its salt. EXAMPLE:1-Cyclopropyl-6-fluoro-7-( 3-methyl-1-piperazinyl )-1, 4-dihydro-4-oxoquinoline-3-carboxylic acid. USE:Animal and fish drug, food preservative, sterilizing agent for external use, and disinfectant. PREPARATION:The compound of formula I or its sal...

The present invention relates to a novel oral pharmaceutical composition of micronized megestrol acetate at a concentration of 15 to 150 mg/mL comprising polysorbate at a concentration of 0.005% to 0.015% weight/volume and polyethylene glycol at a concentration of 5-30% weight/volume which composition forms a stable flocculated suspension in water. The invention further comprises the micronized me...

2098090 9210360 PCTABS00013 A feeder for transferring workpieces (35) from one press to another has a carrier device (18) with a linkage system (19) whose free, load-carrying end (20) executes a horizontal linear movement on both sides of the carrier (18). The end (20) of the linkage system (19) is secured in an elongate boom (27) whose longitudinal direction coincides with the linear movement. Th...

A blind fastener including a pin and a sleeve and having grip compensating means for accommodating workpieces varying in total thickness and having means for expanding the sleeve for filling the clearance between the fastener and associated openings in the workpieces and at the same time providing material from the sleeve in the area of expansion to define a lock between the pin and the sleeve.

Chlorinated water is circulated through vessels first for irradiation with infra-red radiation at a wavelength of 765 nm to 10 microns then for irradiation with ultraviolet radiation at a wavelength exceeding 300 nm and finally for irradiation at a wavelength of 100 to 200 nm and at a wavelength of 253.7 nm.

PURPOSE:To prevent a case where a program is changed during a signal processing operation and to prevent the noises which are generated when the program is rewritten by performing the program rewriting operation synchronously with occurrence of a sampling clock where a single processing operation is through. CONSTITUTION:When a rewrite instructing means 11 outputs a signal to instruct the rewrite ...

A multilumen catheter (10) having a plurality of flexible, elongated catheter tubes (12,14,16) concentrically and coaxially disposed, each catheter tube (12,14,16) defining a separate lumen (18,20,22), each catheter tube (12,14,16) having a distal end (34,36,38) which extends outwardly from the distal end of the next surrounding catheter tube, and each catheter tube (12,14,16) having a proximal en...

PCT No. PCT/SE87/00574 Sec. 371 Date May 16, 1989 Sec. 102(e) Date May 16, 1989 PCT Filed Dec. 2, 1987 PCT Pub. No. WO88/04158 PCT Pub. Date Jun. 16, 1988.A bridge for an artificial dental structure is made of titanium. The bridge is constructed from modular elements which are adapted one to the other and are treated for joining together, for example by means of laser welding. In a first treatment...

In such a device for the transport of record carriers (20, 29) in printers and, in particular, in matrix printers, individual sheets (21) or, alternatively, continuous webs (20) are processed both with and without edge perforations. In this arrangement, a tractor pair (11) for continuous webs (20) and driven and undriven pressure rollers (12, 17) or pressure roller pairs are associated with a plat...

2-Hydrocarbyl-3,6- dichloropyridine cpds. of formula (I) are new. R = 1-8C alkyl, 3-8C cycloalkyl or 4-8C cycloalkylalkyl, pref. 1-4C alkyl, 3-6C cycloalkyl or 4-6C cycloalkylalkyl, esp. Me. 1,1-Dichloro-3-cyanopropyl hydrocarbyl ketones of formula NC-CH2CH2-CCl2-CO-R (II) are new. R is as above. - Prepns. of (I) and (II) are also claimed.

Streptomyces parvullus, DSM 3816, produces on aerobic fermentation new antibiotics which are distinguished by antimicrobial activity even after derivatization.

The modular assembly node is comprised of a hollow element (2) having a semipolygonal contour, including protuberances (2a) and square recesses (2b) drilled in the middle thereof, round or square struts (3) drilled in their middle, screws (4) and nuts (5). Said assembly node is mounted on the sectional elements (1) by means of the struts (3), the screws (4) and the nuts (5).

A computerized translation method with universal application to all natural languages is provided. With this method, parameters are changed only when source or target languages are changed. The computerized method can be regarded as a self-contained system, having been developed to accept input texts in the source language, and look up individual (or sequences of) textwords in various dictionaries...

PCT No. PCT/FI87/00043 Sec. 371 Date Sep. 27, 1988 Sec. 102(e) Date Sep. 27, 1988 PCT Filed Mar. 30, 1987 PCT Pub. No. WO87/06050 PCT Pub. Date Oct. 8, 1987.An alternate reverse or so-called SZ-twisting method and apparatus and cable product produced by alternate reverse twisting method and/or apparatus. Elements (2 ) which are to be alternately reversely twisted may be wires, leads, optical fiber...

A sanitary tampon formed in the shape of a bullet by subjecting a tampon body, which is formed of a highly water-absorbent material to a belt-like structure, to a fluff-preventing surface treatment, fixing a puller string to the tampon body, subjecting the resultant tampon body to a mild, primary compressing operation to obtain a ring-shaped product having a plurality of folds at least on the inne...

The material, characterized by a porosity of 30-60 %, comprises chromium nitride and seminitride at a weight ratio of 1:0.01-0.8 and 17-25 wt.% of nitrogen. The method provides for nitrification of a chromium-containing component in powder form in nitrogen at a pressure of 1-16 MPa, by means of layer-by-layer burning of that component to obtain chromium seminitride, and maintaining it at a tempera...

A polyamide melt adhesive having a melt viscosity, measured at 220 DEG C., of 25-600 Pas and adaptable for the adhesion of textiles, said polyamide comprising A. 1. DIMERIZED FATTY ACID HAVING A CONTENT OF 70-100 PERCENT BY WEIGHT OF DIMERIC FATTY ACID, AND OPTIONALLY COMPRISING 2. A MONOCARBOXYLIC ACID AS A MOLECULAR-WEIGHT REGULATOR (CHAIN STOPPER), WHEREBY UP TO 50 EQUIVALENT PERCENT OF THE TO...

The invention relates to a chimney head for air-flue gas chimneys which conduct combustion air to their connected combustion sites via at least one air supply shaft and conduct the flue gases away via at least one flue gas shaft, the respective flue gas shaft opening out higher than the respective air supply shaft. It is provided according to the invention, in order to smooth out the air supply, f...