An automatic yarn feeding apparatus for an intarsia flat knitting machine comprises a plurality of yarn feeders (40) threaded with yarns and releasably held by yarn feeder holders (31) on a holder frame (30) which is reciprocably drivable along the needle bed (20), a yarn feeder ejector unit (70) for ejecting a desired yarn feeder (40) out of its holder (31), a yarn feeder carrying unit (80) for r...

The invention relates to novel racemic or optically active aminopropanol derivatives of formula I I wherein R and R1 are independently hydrogen atom, halogen atom, lower alkoxy, or together represent a methylene dioxy group, R2 and R3 together represent a chemical bond or independently stand for a hydrogen atom, R4 and R5 are independently hydrogen atom, C3-7 cycloalkyl group or straigh...

The machine for packing and unpacking receptacles has gripper heads rotating on chains and fixed on a vertically movable gripper head slide (6'). A lift cylinder (16) rotates with the gripper head slide (6) and engages on same. This cylinder is impinged in its continuous contact bearing position with a predeterminable contact and relaxing pressure. In the event of breakdowns and/or given requireme...

A transverse guide roller for track-guidable buses effectively prevents the access water to the rotational bearing of such rollers housed rotatably in a horizontal plane. To this end, the rotational bearing is accommodated in a bearing bell which covers the rolling bearing arrangement in a protective and sealing manner. The wheel body has essentially the shape of a cup with an upwardly pointing op...

A waterproofed article for use as a mattress or the like comprises a resilient interior having a plurality of apertures to permit the passage of air through the interior and an external coating of a waterproof material. The coating covers the external surfaces of the interior, including the internal surfaces defining the apertures. The interior of the article is therefore completely isolated and w...

PCT No. PCT/IT87/00032 Sec. 371 Date Apr. 11, 1989 Sec. 102(e) Date Apr. 11, 1989 PCT Filed Apr. 9, 1987 PCT Pub. No. WO88/02870 PCT Pub. Date Apr. 21, 1988.Spectacle frame comprising a lens retaining portion (A) with lateral extensions (A') allowing flexible articulation of the side arms (C), characterized in that said extensions (A') are hollow and open in the direction of the side arms (C), eac...

A filter electrical connector comprises a dielectric housing (12), a metal shield case (13) covering the outside of the housing (12), aligned holes (21, 24) in rear walls (18, 19) of the housing (12) and the case (13), capacitors (14) secured in the holes (24) of wall (19) of case (13) and disposed in larger sections (22) of holes (21) in wall (18) of housing (12) without engaging the walls thereo...

QM 34268 Process for the production of tetrafluoroethylene and hexafluoropropylene which allows these monomers to be formed in very high combined selectivity, which process comprises the pyrolysis of chlorodifluoromethane, optionally using gaseous diluent, wherein the pyrolysis is effected under substantially isothermal and uniform conditions, the reaction temperature is within the range 750.degre...

PURPOSE:To display a video image within all ranges for the vertical scanning period even when number of row lines of a display device is smaller than the number of scanning lines of a video signal by stopping the selection of a row line selection means over a predetermined stop period at an interval of predetermined horizontal synchronizing signal number. CONSTITUTION:In the case of displaying plu...

For the purpose of data compression and expansion in the playback mode reproducing data including video data and audio data recorded on a magnetic tape (2), a relative speed signal is generated from a circuit (86) on the basis of the moving speed of the magnetic tape and the rotation speed of a head drum (1), and the characteristic of the recorded data is controlled according to this relative spee...

PURPOSE:To introduce an always accurate video detection output in following to only a video intermediate frequency signal in a timing with a shallow modulation by switching the state of a PLL and a holding circuit in response to a lock detection signal, a signal intensity detection signal and a modulation detection signal. CONSTITUTION:The above circuit consists of a phase locked loop(PLL) compris...

An electronic equipment comprises a memory for storing information necessary for the execution of control programs and identification information which identify the control programs, first check means for determining whether the identification information of the control program to be executed is equal to the identification information stored in the memory, second check means for determining whethe...