An improved method and apparatus for a winder for anchoring an indefinite length of thread supplied from a supply source onto an anchoring disc in said winder. The method comprises the steps of offsetting the thread to a position facing the anchoring disc, spanning the thread vertically, arresting the spanned thread, protruding the thread outwardly from the disc, and displacing the thread slantly ...

The invention provides an offshore tower structure comprising a base structure for positioning on the sea bed, a central enclosed tubular column 20 containing services such as conductors and risers and extending from the base structure to above the water level, in use, for supporting a service platform 21 and at least three tubular support legs 22, 23, 24 each extending between the base structure ...

A process for preparing an integral-skinned polyurethane foam wherein a foamable composition for formation of polyurethane which comprises a polyol, polyisocyanate, cross-linking agent, catalyst, and blowing agent is reacted and expanded in a mold, characterized in that (a) said polyol is a polyether polyol having a terminal ethylene oxide adduct rate of at least 60%, an OH number of 20 to 100 and...

In the arrangement according to the invention for the high frequency coagulation of protein, in particular for surgical purposes, the protein impedance is continuously determined during application of high frequency power and the differential quotient for the impedance curve is formed according to time. The values of the differential quotient serve on the one hand for adjusting the initial power a...

An umbrella with an oval canopy comprising a center pole (1), a plurality of long main ribs (12), and a plurality of short main ribs (31). The center pole (1) consists of upper and lower poles (1') (1'') slidably fitted. Each long main rib (12) consists of a proximal long main rib (16) and a long distal rib (19) slidably fitted to the proximal long main rib (16) through a slide member (18). Each s...

An umbrella with an oval or substantially oval canopy comprising a center pole (1), a plurality of short conventional main ribs (3), and a plurality of long main ribs (18). Each long main rib (18) consists of a proximal main rib (20), a distal main rib (22) slidably fitted to the proximal main rib (20) through a slide member (30), and upper and lower stops (31)(32) fixed thereon. When opened, the ...

This invention provides an optical scanning apparatus having a compact structure which includes a light-source portion consisting of an array of aligned light sources, a collimating portion for collimating the beams from the light source portion, a deflecting portion for deflecting the collimated beams from the collimating portion, and an imaging portion for causing the deflected beams to form an ...

A focus detection device for detecting the in-focus condition of an objective lens by arranging in rear of an image of an object to be photographed by said objective lens, second-image forming lenses for reforming said object image on the surfaces of photo-sensitive elements, wherein the output signals from said photo-sensitive elements are used to indicate the detection of the in-focus condition,...

There are described compounds of formula I I in which an adjacent pair of R5, R6, R7 and R8 form a chain -COCH=CE-O-, and the remainder of R5, R6, R7 and R8, which may be the same or different, each represent hydrogen, hydroxy, alkyl, halogen, alkenyl, alkoxy, or -NR1R2 in which R1 and R2, which are the same or different, are each hydrogen or alkyl, Rg is hydrogen, alkyl, alkenyl or p...

A coproduct continuous dealkylation process is described in which 4-t-butoxy-n-butanol is contacted with acidic silica-alumina catalyst at temperatures in the 160 DEG -200 DEG C. range (reactor wall temperature) in the liquid hourly space velocity regime of 2:0 to 6:0 liter/liter catalyst/hr. to produce in a single reactor a mixture in which the ultimate product of conversion of the 4-t-butoxy-n-...

PURPOSE:To cope with succeeding processing by releasing the waiting state of a processor when an ''ACCEPT'' signal from other device is not received within a specified time after an access request is made to other device. CONSTITUTION:The monitor system consists of a main memory 11, a processor 12 and a monitoring circuit 13. When the processor 12 makes an access request to the main memory 11, ''R...

A device including a hand-held hair dryer and a hair dryer mount adapted to be attached to a planar support. The mount includes a catch for supporting and releasably preventing detachment of the hair dryer from the mount. In one embodiment, the hand-held hair dryer includes a first end and a second end with an indentation, and the catch includes a lower lever for receiving the first end of the hai...

The invention relates to apparatus for guiding a vehicle as it moves, of the kind comprising a detector sensing deviation of the heading of the vehicle relative to a predetermined direction and producing an electrical deviation signal, a hydraulic piston and cylinder device steering the vehicle wheels and control means responsive to the deviation signal. The technical problem is to provide apparat...

Polyurethane foams prepared from the reaction of polyester polyol with organic isocyanate have improved flame retardance and dripping ember retardance by incorporation of an additive comprising (1) halogenated flame retardant, and (2) organic solvent soluble glycoluril-formaldehyde material.

A drive mechanism wherein a first rotatable drive portion is connected to a second rotatable drive portion by a clutch. One of the drive portions is provided with a first part drivingly connected to a second part by a meshed interconnecting structure arranged to maintain an effectively positive driving connection between the parts notwithstanding play movement between the interconnected parts. In ...

An external, multi-caliper brake for positive torque controlling as well as for controlling the rotation of a shaft is shown in the preferred brake embodiment of this invention as having a hub arranged to be mounted to the shaft with a longitudinally centrally located, finned friction disc mounted to the hub. A brake housing supports multiple brake calipers which are shown as including diaphragm o...

A porous membrane of an aromatic polyimide having an enhanced permeability of a gas or liquid is produced by a process comprising the steps of (1) preparing a dope solution of 3 to 30% by weight of an aromatic polyimide in a mixed solvent of (A) 100 parts by weight of a base solvent capable of dissolving 5% by weight or more of the polymeric acid and of evaporating at 30 DEG C. to 400 DEG C. and...

Aqueous solutions comprising 25 to 60 percent by weight of mixtures of (a) polymers of acrylic acid and/or copolymers of acrylic acid with maleic acid and (b) aminopolycarboxylic acids, aminopolyphosphonic acids and/or hydroxyalkanepolyphosphonic acids, such solutions having a pH value of about 3 to about 7 with the acid groups being present 20 to 80 percent in the form of the potassium salts and ...