PURPOSE:The titled device in which yarns from the package and the bobbin can be cross-connected and introduced into the yarn-ending hole even from the outside of the winding unit, thus enabling knotless yarn ending in an autowinder of winding-unit walking-around type. CONSTITUTION:The yarn-collecting guide 12 which traverses the paths of 2 yarns YP and YB which are taken out of the package and the...

PURPOSE:To obtain a compound semiconductor layer of good characteristics by providing a buffer layer of compound semiconductor at low temperature by which migration of atoms of the III-V compound semiconductor is impossible after treating an Si substrate at 800 deg.C or over and then growing the same semiconductor layer at an usual temperature. CONSTITUTION:An Si substrate is treated at 900 deg.C ...

The necks 10 of round bottomed plastic bottles 11 are fed into peripheral notches 9 of an upper turret plate 6, and stabilizing cups 47 are fed onto support plates 49 of vertically movable centering sockets 45 slidable in a lower turret plate 7 and disposed coaxially below the bottles. Pressurized gas in supplied to the bottles by vertically reciprocable stopper posts 23 to implement monitored sea...

The device comprises a seal (20) mounted in a groove (18) in a first object (12) e.g. an offshore platform which in use will be pressed against the other object (16) which rests on the sea bed e.g. a foundation a closed loop delimiting a space (23) facing the other object (16). The seal (20) is a membrane mounted along its sides, dividing the groove (18) into an outer part (21), open to the ambien...

The utility model discloses a heater with wind power. The quant leaves of a wind wheel are made of fabric; speed can be adjusted by the method of fitting weight by using a side wing, and hanging an operating rope from the center of a tower; a squirrel-cage induction motor is used as a generator. Electrical power is sent to and restored in a solid heat storage in the hothouse of using sites, and is...

PURPOSE:To stabilize the detection of azimuth with an earth magnetism sensor by exciting another set of right and left steering electromagnetic coils with the delay of a set time from the excitation of right and left electromagnetic coils. CONSTITUTION:The left steering electromagnetic coils 1L, 1L' of respective electromagnetic valves 1, 1' and the right steering electromagnetic coils 1R, 1R' are...

Flexible, resilient, polyurethane foam having improved flame retardancy and intumescent properties is prepared from the reaction of polyether polyol with organic isocyanate and an additive combination comprising: (i) a polyester polyol, (ii) an halogenated flame retardant, and (iii) water or alcohol soluble urea-formaldehyde resin.

A tire consisting of an air-tight internal panel (1), carcass (2), wire cap (10), hump strip (9), belt (5), tread (6), shoulder portion (7), wire core (11) and lateral portion (8), whereby a combined prefabricated air-tight panel (1) with carcass fabric (2) in special rubber mixture encircles at least twice and on which is at least a double encircling coil (5) with textile treads crossing each oth...

Apparatus and method for controlling an automatically running vehicle over a predetermined course which has guidelines intermittently placed therein. Vehicle commands used to negotiate the course under manual control are stored in a memory. The vehicle has sensors which detect the presence and location of the guidelines as the vehicle passes by. The vehicle travels the course under control of the ...

A laser scalpel includes a safety device which comprises a group of detectors (20 to 28) and a signal processing system (30) which raises an alarm (31,32) and renders the scalpel safe. The group of detectors includes a grounding disconnection detector (20) which monitors the connection between the laser scalpel power source (5) and earth, and a current leakage detector (21) which monitors current ...

A device for detecting differences in color of a material to be inspected, which device comprises a first light source emitting light of a first color and a second light source emitting light of a second color, an optical system adapted to project portions of the light emitted both by the first and the second light source onto first and second spaced apart measuring regions respectively, each meas...

A system and a method for data transmission using a magnetic field. The system comprises means for generating a magnetic field and effecting variation of the magnetic field in correspondence with data to be transmitted. The varied magnetic field is then transmitted and subsequently received and decoded in order to retrieve the carried data.

A roller cone rock bit is disclosed with an improved bearing system. The improvement comprises a journal bearing (41) which is substantially frusto-conically shaped and a roller cone bearing (42) which is reverse shaped to mate with the journal bearing. The invention also includes a means (43) for maintaining the journal and roller cone bearing in compression against each other. In the preferred e...

A method is described for reducing the temperature rise associated with sunlight exposure of non-metallic substrates, more particularly heat sensitive polymeric substrates. The method involves coating the substrate with a coating composition comprising a film-forming polymer and an effective amount of an infrared reflective pigment, said coating composition having a CIELAB L* value of up to 70 and...

Method and apparatus for recording information on a card-shaped optical information recording medium with a light beam and/or for reproducing information recorded on the medium. The apparatus includes a device for irradiating the medium with a light beam, a device for causing relative reciprocal movement between the medium and the light beam, and a device for terminating or displacing the light be...

A vehicle differential mechanism having a rotatable input member (16) for connection with a drive means and a pair of rotatable output members (17, 18) one on each side of the input member for connection with components such as wheel-driving shafts (13, 14) to be driven by the mechanism. A pair of rotatable clutch members (19, 20) are located one on each side of the input member (16) between the i...

To acquire and record the variation of a value such as a pressure as a function of a parameter such as time in a sonde (10) lowered into a well (12), pressure measurements are made at equal time intervals, these measurements are digitized and entered in a nonvolatile memory selectively so as to maximize the accuracy of the pressure variation reading during the measurement period, while minimizing ...

A replaceable insulating sleeve (20) is disposed around the lower end of a drill string (29) used in drilling a well (30). The sleeve (20) is restrained from rotating relative to the drill string (29), but can be released and quickly slipped off the drill string (29) in the field to permit rapid replacement if damaged, or if alternate equipment is required. The sleeve (20) carries sensing means (3...

A paint-finishing composition for a cement base material, which comprises, as dissolved or dispersed in a solvent, 100 parts by weight of a solvent-soluble fluorinated polymer having cure sites and an intrinsic viscosity of from 0.05 to 2.0 dl/g as measured at 30 DEG C. in tetrahydrofuran, from 0.1 to 100 parts by weight of a curing agent and from 5 to 500 parts by weight of a coloring agent.

A building board is obtained by forming two non-woven webs comprising binder and fibrous material, disposing a core mixture of binder and filler between the webs and consolidating the sandwich. Preferably the non-woven webs comprised mineral wool plus phenolic binder, the core comprised perlite plus a phenolic, urea formaldehyde or stored binder and optionally wood fibre (example 5). A downward fl...