Upstream transmissions in a two-way communications network are effected from subscriber terminals in upstream packets having one of a plurality of different separately acknowledgeable acknowledgment tags. Downstream acknowledgments of upstream messages are contained in CA packets multiplexed with product packets to form a transport bitstream. The transport bitstream is applied to a digital conditi...

An environment sensing/control circuit for use in conjunction with an electronic subsystem. The invention is capable of sensing and controlling conditions of the environment of the subsystem. The invention is capable of being implemented as a stand-alone device or replicated numerous times in an integrated circuit. The invention identifies changes including intermittent changes, in the environment...

PURPOSE: To form the whole area around a bead of a green tire into an inner liner having a uniform thickness and carry out preparatory work for an inner liner band safely and efficiently. CONSTITUTION: When a band molding drum 101 is at a second position (b), a diameter of an inner liner band which is previously formed into a tube-like shape is expanded by an inner liner band expanding machine 115...

PURPOSE: To mold a long band-like member which is simple in structure, low in cost, and small in size, by connecting a sheet body to the band-like member without generating shear. CONSTITUTION: A sheet body 17 is conveyed by a first conveyor 11 until a central point 17c of one end side 17a of the sheet body reaches on a cross direction center line 38b of a band-like member 38 on a second conveyor ...

PURPOSE: To provide a bead filler molding machine which can eliminate deformation of a lip caused by internal stress, does not generate chips so that after processing of the chips is eliminated, and can be compact in size as a whole. CONSTITUTION: A bead filler 2 extruded from a bead filler extruder 1 is led to a cooler 3, where a drum 3a and a guide drum 3b juxtaposed with the drum 3a are rotated...

The invention comprises a process for recovering secondary polyols from polyadducts which contain nonglycolysable constituents. In the process, a precomminuted polyadduct starting material is pretreated with glycols in a shear reactor at elevated temperature and pressure, for a relatively short time period, the nonglycolysable constituent being further comminuted and dispersed and the polyadducts ...

The invention relates to a rubber tire (1) with carbon black reinforced carcass (3) and quantitatively silica reinforced rubber tread (2), said tread having a thin overcoat (7) thereon of rubber containing a quantitative amount of electrically conductive carbon black, a coating composition therefor and a method of application.

The invention relates to safety closing devices for containers of biological liquids and, particularly, for test tubes used for the drawing, transport and/or analysis of blood, of the type including an undercap and a cap, both made of a perforable material. The undercap (2) and the cap (3) each include at least a central portion (4, 6), formed by one or more parts. The central portion (4) of the u...

A mattress pad or cover is disclosed for a conventional innerspring or foam type mattress. The mattress cover has a quilted cover portion and a downwardly depending peripheral skirt that wraps around the mattress to hold the cover portion in place. The skirt has elastic sewn around its lower peripheral edge to keep the skirt tucked under the mattress. The cover portion has a first thick layer of f...

A method for laminating a magnetic core of a three-phase current transformer uses a continuous length of magnetic metal material and a mandrel having first, second, third, and fourth sets of pins mounted to a mandrel plate. The second and third pin sets are located adjacent one another, adjacent the respective first and fourth pin sets, and between the first and fourth pin sets. The third and four...

A twin extruder has a material supplying section, a conveying section, a kneading section, a degassing section, and a discharging section. In the conveying section and the neading section, a plurality of grooves are formed in each of two walls arcuate in cross section of a cylinder which define an internal hole in the cylinder, and/or a cut is formed at each of the junctions of the walls of the cy...

An apparatus and method for atomizing liquid metal are disclosed. A liquid metal supply is coupled to a nozzle for atomizing a stream of liquid metal in an atomizing zone extending from the nozzle. A viewing instrument provides a field of view extending to the atomization zone. A sensor coupled with the viewing instrument generates an image of the atomizing zone, and a control adjusts a flow rate ...

The present invention relates to a process for the production of collagen foams in the form of continuous tapes, characterized in that a) solved or dispersed collagen is cast into disk molds, b) the collagen solution or dispersion is frozen in the disk mold and subsequently is freeze-dried c) continuous tapes are produced from the freeze-dried disks by mechanical processes. Furthermore, the presen...

Air meltable, weldable cast alloys of high hot strength and hot gas corrosion resistance especially in the service temperature range of about 1800 DEG F. to 2100 DEG F. which consist essentially of: -Nickel 41-54% by weight -Chromium 24-29% -Iron 8-18% -Cobalt 3-8% -Tungsten 4.5-6.5% -Molybdenum 4-6.5% -Niobium 0.8-2% -Manganese 0.1-1.5% -Silicon 0.1-1.5% -Carbon 0.2-0.4% - provided, that the n...

The insulation barrier is formed of a body of expanded polystyrene which is impregnated with sodium silicate. In addition, a coating formed of a metallic-based inorganic material is applied over at least one surface of the body. The sodium silicate is applied in solution form and maintained within the body by a wetting agent in the solution. The coating is be applied by a coating roller either bef...

The invention relates to an opaque, matte, multilayer polypropylene film. It includes at least one base layer comprising polypropylene or a polypropylene mixture and fillers, and at least one outer layer which contains a mixture or a blend of two components I and II. Component I essentially contains a propylene homopolymer or a copolymer of an alpha -olefin having 2 to 10 carbon atoms or a terpol...

Methods for obtaining an elastomer product capable of absorbing petroleum and its by products including the steps of forming a mixture of waste vulcanized rubber, resin and organic solvent, grinding the mixture in a mill in the presence of manganese to produce a slurry of very small particles of a reclaimed rubber, and drying the slurry which results in porous elastomer particles which are capable...

PCT No. PCT/NL92/00191 Sec. 371 Date Apr. 22, 1994 Sec. 102(e) Date Apr. 22, 1994 PCT Filed Oct. 27, 1992 PCT Pub. No. WO93/08936 PCT Pub. Date May 13, 1993.A method for removing one or more contaminations from a bulk material, the bulk material being fed into a treating chamber (1), exposed therein to a temperature treatment and then discharged. According to the invention, the bulk material is ex...

An optical head for optical recording and reproducing apparatuses is disclosed. The optical head comprises a semiconductor laser, a mirror for reflecting a light beam emitted from the semiconductor laser, a diffraction grating for dividing the light beam into zero order, plus and minus first-order beams. It also comprises a holographic diffraction grating being arranged at an optical path of the b...

In a method for determining the orientation of a borehole from measurements of the gravity and magnetic fields within the borehole, the hole azimuth is obtained corrected for sources of permanent, induced and electrically caused magnetic interference. Information on these sources and on the earth's magnetic field is computed as a by product so that in the fullest application of the invention no pr...