A method and device whereby an automatic device for feeding and setting beads onto a tire building drum provides for the loose hanging of two beads and, after centering them in relation to a first axis through expansion of a hanging and automatic centering device, provides for transferring them parallel with the aforementioned first axis and coupled with respective annular transfer and setting bod...

A surgical laser system includes a laser, interchangeable peripheral output devices, a sensor effective to sense the power output of a peripheral device coupled to the sensor, and a control circuit for calibrating the radiation output of each device, interlocking the system to prevent use of a device before it has been calibrated, and controlling the production of calibration, aiming and main powe...

An electrosurgical apparatus comprises a high frequency power generator, a high frequency transformer, a handpiece for mounting an electrode, and a connecting cable between the generator and the handpiece. In order to provide an automatic adaptation or adjustment so that the power delivered by the cutting electrode is continuously changed according to the cutting depth, the effective length of the...

A method of and an apparatus for separating a bead core from a plurality of looped bead cores arranged in the form of a tube with the adjacent bead cores endwise sticking to one another, wherein the tube of the bead cores are wrapped round a radially collapsible feed drum whereupon the bead feed unit is driven for movement from a first predetermined position to a second predetermined position in a...

A microprocessor-based burner control apparatus includes an input stage adapted for controllably generating an input signal which is repetitively transitional between a first logic state and a second logic state. A synchronously controlled output stage includes a capacitor, a rectified source of alternating voltage and a microprocessor-switched transistor for controllably charging the capacitor du...

PURPOSE:To enable accurate measurement, by detecting the degree of coloration of a test paper prior to the use while changes in the coloration using a reference liquid to correct the calibration curve. CONSTITUTION:A CPU has the calibration curve Y set and memorized thereinto and is provided with first and second correction means 7 and 8. The first correction means 7 corrects the calibration curve...

A tire manufacturing unit having two tire building drums mounted on respective coaxial and independent half shafts butt connected in a rotary manner so as to define a single continuous shaft supported in rotary manner on a platform mounted for rotation in successive 180 DEG steps about a horizontal axis; each half shaft having a respective independent driving device, and one of the drums moving, ...

A quick connect coupling for connecting a threaded push-rod to a clevis of a brake actuating lever, the coupling comprises the combination of a collar having an internal bore threaded for engagement with the push rod, a head at one end of the collar and a recess forming a shoulder spaced from the head, latching means carried by the clevis and biased into a first position extending internally of a ...

Light guide articles made of glassy polymers are provided with a gradually varying refractive index by immersion in a solution of a substance having a different refractive index and which swells the glassy polymer under the immersion conditions and thereafter heating the article under conditions to remove the solvent and leave the substance of different refractive index under the surface of the ar...

A composition for the application of coatings on a substrate having a base of acrylic resin, comprising polymethylmethacrylate dissolved in a solvent composed of at least one ketone selected from methylethylketone and diacetone alcohol and of a chlorinated hydrocarbon selected from trichloroethylene and methylene chloride, the ratio of the volume of chlorinated hydrocarbon to the volume of ketone ...

The bond strength between a sulphur-vulcanizable rubber and a metal, especially brass, is increased by using as bonding promoter a compound having the formula R-(CH2)a-S2O3-M+ or a hydrate thereof, where a has an integral value of at least 1, and where (i) M+ represents a sodium ion or an equivalent of a divalent nickel or cobalt ion and R represents hydroxy, cyano, chlorophenyl, fluorophenyl, nit...

Epoxy compounds are added to polycarbonate resin to reduce or eliminate the necessity of drying the resin prior to a foaming process.

An expandable blend of a linear olefinic polymer and a crosslinkable polymer for production of lightly crosslinked foamed polymers and a process for the preparation thereof is provided. The presence of a crosslinkable polymer component in the blend increases the melt strength of the linear olefinic component so that conventional melt processing techniques may be utilized to produce foamed polymers...

Dilute aqueous solutions of high molecular weight polymers of acrylamide or methacrylamide or of homopolymers or copolymers of salts of ethylenically unsaturated C3-C5-carboxylic acids are stabilized to thermal degradation by adding (a) at least 20 ppm of an inorganic sulfur compound, in which the sulfur has an oxidation number of +2 to +5, and (b) at least 20 ppm of a complexing agent for metal i...

Vinyl dispersion resins containing a major proportion of vinyl chloride that provide fluid suspensions thereof with thixotropic properties are obtained by isolating and drying the vinyl chloride polymer resin from an emulsion (latex) thereof containing a small amount of a cross-linked, water-swellable polymer of an unsaturated carboxylic acid.

Poly(p-phenylene-trans-benzobisthiazole) and poly(p-phenylene-cis-benzobisoxazole) fibers are rendered more adherent to epoxy resins by treatment with an oxygen containing gas under specified conditions.

PURPOSE:To obtain a waste water treating agent consisting of immobilized nitrifying bacteria which permits the efficient utilization of the nitrifying bacteria by enveloping the aerobic nitrifying bacteria and a material having ion exchange ability with ammoniacal nitrogen by active fixation into a hydrous gel. CONSTITUTION:The waste water treating agent is produced by fixing and enveloping the ae...