A method of controlling laser energy removal of plaque or other obstructions from a vessel of the cardiovascular system includes advancing a laser delivery catheter to a position in proximity with a targeted lesion, placing a laser energy sensor device in a monitoring position adapted to sense laser energy from the catheter that passes beyond the lesion, and controlling the laser energy according ...

Binding assembly for a cross country ski boot, having a safety device comprising a hooking arrangement in which the forward end of the boot is retained, and lateral retaining, complementary engaging portions on the ski and in the sole of the boot. The hooking and lateral retaining devices are rigidly affixed to each other without intervening gap, and are releasable at least laterally about at leas...

A safety ski binding having a sole plate which is pivotally supported on a ski-fixed pivot pin in a horizontal plane, however, is secured against lifting off from the ski. The sole plate has a front jaw at its front end and a heel holder provided with a housing at its rear end. The heel holder has a sole holder which is pivotal upwardly about a transversely extending axle on the housing against th...

This invention relates to a foldable armchair incorporating adjustable backrest and footrest, in which the connecting elements which control orientation of the footrest are connected to the backrest by pivoting crank pins provided with bearing faces cooperating with stops on said backrest, so as to make a unidirectional angular connection which ensures modification of the orientation of the footre...

A method of manufacture of a pneumatic tire in which an annular component, such as a tread/breaker assembly, is accurately located in a supporting box (30)(15). Other tire components such as sidewalls, and carcass, are assembled to said annular component while it is held in the box. The box (15) (30) is a transfer box which is detachable from a rotatable conveyor (11) for relocation in turn at eac...

A method and apparatus for retreading a tire includes a mold segment (14) having open ends (16) and (18). A tire carcass (10) has a layer of uncured rubber (12) built up on the surface thereof. The mold (14) is disposed therearound with ribs (20) resting on the surface thereof. A semi-flexible cap (24) is disposed over the ends (16) and (18) which are separated by a gap (20). An elastic strap (26)...

There is a growing demand for high molecular weight polyester resin. For instance, the market for high molecular weight polyethylene terephthalate resin is rapidly expanding. High molecular polyethylene terephthalate resin is currently being used in vast quantities in manufacturing bottles for carbonated beverages, trays for frozen foods which can be heated in either microwave ovens or convection ...

Errors in data words recovered following the transmission of digital data having internal correlation are concealed by substituting recovered correlated words for recovered words suspected of being in error. Concealment may follow the correction of errors according to an error correcting code. Error flag signals are used to identify corresponding respective recovered words that are suspected of be...

PURPOSE:To quantitatively judge the fine change of a grinding state, by displaying the reflection intensity of a cross-section containing a calculus. CONSTITUTION:Grinding concave surface vibrators 21a, 21b are connected to a pulser 33 to emit intensive ultrasonic pulses at a predetermined cycle. An ultrasonic probe 22 is connected to a transmitting and receiving circuit 31 and a receiving signal ...

PURPOSE:To obtain the max. grinding efficiency by making the arrival times of ultrasonic pulses required in reaching a focus same when a plurality of vibrators are driven simultaneously, by driving a plurality of the concave surface vibrators held so as to make the focuses thereof same and a vibrator in a pulsative manner in alterable timing. CONSTITUTION:Vibrators 11a-c are concave surface ones r...

A table utensil is used to cut open a crab leg in a smooth and continuous manner. The utensil includes a handle and a blade with the blade having a pair of prong sections separated by a slot. The prong sections have inwardly facing curved edges, curved in a like direction.

A dispersing agent for particles in aqueous media comprises a copolymer formed from ethyleneically unsaturated monomers including a water-soluble monomer and a monomer carying a pendant group AmBnApR in which B is ethyleneoxy and n is at least 2, m and p are each generally 0 and R is a hydrophobic group, generally a C12-18 alkyl group or alkaryl group. The polymers generally have molecular weights...

The invention relates to a highly filterable, water insoluble vinyl lactam polymer and to a process for improving filterability of such polymer which comprises irradiation with a source of radiant energy at a dosage sufficient to effect additional cross-linking and or saturation of the polymer.

Disclosed is a solution of about 2 to about 25 percent by weight based on total solids, of an oligomer having at least two carboxylic acid groups polymerized from an unsaturated fatty acid having at least ten carbon atoms, up to about 20 percent by weight based on total solids of a phenolic resin, an epoxy resin in an amount from about stoichiometric up to about 20 percent excess equivalents of ep...

A process to form a fiber-reinforced prepreg and shaped objects having a continuous thermoplastic matrix of poly(arylene sulfide ketone) resins is provided. The prepreg is useful to form composites with high temperature resistance. The prepreg is prepared by pultrusion of resin-impregnated fiber reinforcement through a shaped die. The reinforcement can be impregnated from a liquid slurry or resin ...

Particulate expandable styrene polymers are coated with a distilled acetylated monoglyceride product to reduce the cooling time of articles molded from such expandable styrene polymers. Coating of the expandable particulate styrene polymer is obtained by contacting the polymer with an emulsion of a distilled acetylated monoglyceride and water with a suitable surfactant. The distilled acetylated mo...

A telemetry system for borehole drilling comprises an effectively continuous length of hardwire cable which extends along a drill string located in a borehole between electrical signal control, indication equipment situated outside the borehole and probe means situated within the borehole. The effective continuous length of hardwire includes a store of hardwire constituted by a bonded wound hollow...

A method for obtaining a vulcanizable rubber formulation of controlled uniform viscosity properties containing synthetic rubber comprises the steps of determining the Mooney viscosity, MVa, of the synthetic rubber from which the formulation is to be prepared; determining the relaxation time, T80, of the synthetic rubber from which the formulation is to be prepared; calculating from MVa and T80 the...

A downhole tool for perforating a well and obtaining fluid samples therefrom, comprises a retrievable packer (20), perforating guns (24) and a sampler (22) disposed between the packer and guns which is adapted for entrapping a fluid sample without flowing well fluids into the tool string. An operating piston is slidably disposed in a cylinder above the packer and is used to actuate a sampler valve...

PURPOSE:To contrive increase in the limit value of a passing current by a method wherein a process, in which the current is decreased and then it is increased, is conducted at least once in a DC current increasing process. CONSTITUTION:When a DC current is applied to a ceramic superconducting molded body, the critical value of conducting current is increased if the current is decreased a little an...