An electric-mechanical transducer having corrugated or comblike characteristics comprising an electric-mechanical transducer element constituted by a piezoelectric resonator plate having a first and a second electrode provided on one surface thereof and a common electrode provided on the other surface thereof, and reflection-type supersonic transmission medium, wherein the common electrode of the piezoelectric resonator plate is attached to one end surface of the reflection-type supersonic trans...

The invention relates to a method of and device for displaying the length of yarn used in making a given number of stitches on a knitting machine. With regard to the dimensions of the device microswitches are set to be activated at an interval of time during which the machine knits a selected number of stitches different from said given number. Electrical pulses are generated as the yarn is fed and are counted during the interval between activation of the microswitches. The length of yarn used i...

A closure for the open end of a high-pressure vessel is formed of two or more plugs, in the nature of pistons that cooperate to seal the end of the vessel, each of which is supported by engagement with a portion of the wall of the vessel different from the portion or portions supporting the other plug or plugs. The plugs may be in the form of a cylindrical piston, and encircling annular pistons or a series of plugs with varying effective areas. The plugs themselves or through intermediate member...

This invention relates to a new and unobvious system for mooring a vessel by means of momentum transfer which induces a current and creates a pressure differential whereby the vessel is drawn toward and held to the mooring facility.

Disclosed is a new antibiotic. The antibiotic is produced by fermenting Lactobacillus acidophilus in a liquid medium containing constituents of milk, extracting the fermentate with alcohol, evaporating the alcohol to a residue, extracting the residue with acetone, evaporating the acetone and chromatographing the residue.

This specification discloses a building structure including a structural member comprising a web, two flanges projecting from opposite edges of the web and inturned lips at the free edges of the flanges; electrical wiring laid in a channel defined by one of the flanges, its inturned lip and the portion of the web adjacent to said flange; and a U-section cover member having limbs which interfit with said lip and said portion of the web and a base which extends over the mouth of the channel thus p...

A device for forming bubbles and dispensing soap includes an elongated shaft having a handle attached to one end and a supporting ring attached to an opposite end thereof. The ring is encapsulated in soap material which also is ring-shaped and has a central aperture formed therein adapted for forming bubbles. The handle can be U-shaped and oriented for suspending from a bar of a soap dish or towel rack. Alternatively, the handle can be any one of various other shapes including cartoon figures, a...

The invention concerns a transmission system for telephone communications comprising at least two telephone sets, each incorporating a microphone and a receiver and/or loudspeaker, and a telephone line connecting the telephone sets by at least two conductors in order to form a current loop. Connected to the current loop is an alternating-current generator and current-steering switch elements arranged to steer the current to be routed during the positive half-cycles generated by the generator via...

An insert which forms the show or finish surface (this surface exposed to the weather) for an elastomeric gasket in an encapsulated window assembly is thermo formed from a sheet of plastic and placed in the lower half of a mold. A sheet of glazing material is also placed in the lower mold half and an upper mold half is utilized to close the mold cavity. Gasket forming material is injected into the mold cavity to form a gasket in situ which adheres to both the peripheral marginal areas of the tra...

Bulk material containing vaporizable ingredients, such as lignite, hard coal, peat, waste wood, clarifier sludge, waste sludge, contaminated earth, catalysts, zeolites and filter cake, is conditioned by means of a vibrating plate conveyor divided into a heating section and a drying section, using an indirect heat exchange method. The bulk material is heated in an enclosed heating section while withdrawing the vapor from this section. In the downstream enclosed drying section, the vaporizable fra...