An X-ray tube support apparatus includes: an X-ray tube support mechanism (6) for supporting an X-ray tube to be vertically extendible/movable; a guide unit (1), having paths (2, 3) which allow movement in two-dimensional directions parallel to a ceiling surface, for supporting the X-ray tube support mechanism (6), and guiding the X-ray tube to a central position of a photographing table (15, 16);...

Methods and device in X-ray diagnostics, in particular in mammography, for regulation of the exposure of a film (F) or equivalent to an optimal level. In the method the radiation that has passed through the object (2) of photography is measured by means of an arrangement of detectors (4a...4n) and, based on this measurement, the time of exposure regulated. The measurement signals are passed from t...

The present invention involves a buffing apparatus (10) which enables faster and more uniform buffing of tire casings (2) prior to application of replacement treads. In particular, a buffing apparatus for preparing a tire casing for retreading includes a tire casing rotating assembly (16). This assembly includes a system for mounting the casing in a vertical plane and for rotating the tire casing ...

The invention relates to a device for separating a suspension into a coarse fraction and a fine fraction, containing a rotating stack of separator disks, to which the suspension is fed from an axial end of the annular flow chamber surrounding the stack of separating disks, while the coarse fraction is discharged through a flow channel at the other axial end of the annular flow chamber, the fine fr...

The invention concerns a slice-cutting machine (1), in particular a machine for cutting food, with a housing (2) and, mounted in the housing, an electrically driven circular cutter blade (5). In order to improve the ease of servicing of the machine, the invention proposes that the cutter blade (5) is driven directly, i.e. with no reduction gearing, by a motor (11) mounted on the shaft (12) carryin...

The device comprises first and second drums (2,3). The circumference of second drum (3) can be increased or decreased. There is a spring (8) attached to the circumference of the second drum. The circumference of the first drum (2) is formed to mount the cable which is wrapped around the its circumference. The drum has at least two adjustable segments which operate in the drum radial direction. Ad...

A method for facilitating the transfer of nucleic acids into cells comprising preparing a mixed lipid dispersion of a cationic lipid with a co-lipid in a suitable carrier solvent. The lipid has a structure which includes a lipophilic group derived from cholesterol, a linker bond, a spacer arm including from about 1 to about 20 carbon atoms in a branched or unbranched linear alkyl chain, and a cati...

Prodn. of opt. cellular polyurethanes is by reaction of polyisocyanates with (i) mixts. of (a) fatty acid/basic polyol salts and (b) non-functional fatty acid esters and/or hydrocarbons; and opt. also (ii) cpds. of mol. wt. 62-399 contg. ≥ 2 NCO-reactive H atoms; (iii) cpds. as per (ii) but of mol. wt. 400-10,000; and (iv) known blowing agents, catalysts etc.

A method for remotely controlling one or more working machines (2), for instance road grading machines, asphalting machines or like machines, with the aid of one or more target-seeking total stations (1) set-up at one or more defined places, and also with the aid of reflectors (3) in the form of a ring of cube-corner prisms mounted on respective machines. One or more sectors of the reflector (3) a...

A method for remotely controlling one or more working machines (2), for instance road grading machines, asphalting machines or like machines, with the aid of one or more target-seeking total stations (1) set-up at one or more defined places, and also with the aid of reflectors (3) in the form of a ring of cube-corner prisms mounted on respective machines. One or more sectors of the reflector (3) a...

A connection component (10) suitable for use with an enteral fluid delivery set wherein the connection component (10) consists of a threaded cap having a projecting spike (32) thereon to penetrate and deform a foil diaphragm on the fluid container and further including an air passageway (30) having a flexible member (38) therein to allow filtered air to flow into the fluid container while preventi...

A biaxially oriented polyester film having excellent scratch resistance and chipping resistance by the inclusion of particles (A) having an average primary particle diameter of 5-300 nm, an average degree of aggregation of 5-100 and a Mohs'hardness of 6-10 by the content of 0.01-5 wt.%. The scratch resistance and chipping resistance of the film can be further increased by the inclusion of particle...

A generally hydrophobic polyester article is provided with a generally hydrophilic surface by contacting said generally hydrophobic polyester with a copolymeric material while said polyester is at a temperature above its melting point. The copolymeric composition comprises a generally hydrophobic moiety and a generally hydrophilic moiety. Also disclosed is a method for imparting the hydrophilic su...

A microprocessor arrangement includes a microprocessor (10) that executes a program which includes a plurality of watchdog instructions (WDI1 to WDI4) which are located in respective different portions of the program and all of which should be executed during execution of the program. An address bus (14) receives addresses generated during execution of the program. An address decoder (16) is respo...

A conventional process for mfg. laminated glass comprising a polyvinylbutyral film (2) sandwiched between glass layers uses the roughness of the film at temps. >120 deg C to exclude air trapped at the glass/film interfaces. Additional air channels to enhance air exclusion are created by forming long thin areas (3) across the film (2) width at a much lower temp. than that at which the roughness is ...

This invention relates to the production of low density resol foams from resol resins. The foams have a density of 2.0 pounds per cubic foot (32.037 kg/m3) or less and are produced with a blowing agent of low boiling point HCFCs and perfluoroalkane.

A polymer mixt. (I) contains: (A) 50-85 wt% polyether-block-amide contg. 30-60 wt% polyamide (PA) 12, PA 11 and/or PA 12, 12 blocks and 70-40 wt% polyethylene glycol (PEG) blocks; (B) 10-40 wt% polyether-block-amide contg. 65-85 wt% PA 12, PA 11 and/or PA 12, 12 blocks and 35-15 wt% PEG blocks; and (C) 5-40 wt% of a poly(ethylene-co-vinyl acetate-g-maleic anhydride) graft copolymer contg. 95 wt.% ...

Disclosed is a cross-linked ethylenic polymer foam structure of an ethylenic polymer material of a cross-linked, substantially linear ethylenic polymer. The substantially linear ethylenic polymer having in an uncross-linked state has: a) a melt flow ratio, I10/I2, >/=5.63; b) a molecular weight distribution, Mw/Mn, defined by the equation: Mw/Mn<(I10/I2)-4.63; and c) a critical shear rate at onset...

An optical disk apparatus comprises a casing, an optical head for reading out a signal recorded on an optical disk, a circuit for processing a signal from the optical head, a turn table for rotating the optical disk. The optical head includes an optical pickup having an objective. The apparatus further includes a brush and a motor for reciprocating the objective with respective to the brush. A con...

A film easily soluble in cold water comprises a water soluble copolymer composed of 3 to 30 mol% of an allyl ester, 96.5 to 65 mol% of a vinyl ester and 0.5 to 5 mol% of an unsaturated carboxylic acid and its anhydride and having a degree of saponification of not less than 70 mol%. The film is easily soluble in cold water and such solubility in cold water does not change even if it comes into cont...