A hose reel assembly comprises a drum (3/4) borne on a cantilevered support tube (1). A rotary joint assembly to direct water from a feed pipe (12) to the hose connector (19) of the drum comprises a fixed conduit member (9) mounted within the support tube and a rotatable conduit member (14) sealingly journalled to the fixed member. An inlet port (10) of the fixed conduit member receives the feed p...

An apparatus for removing a residual roving (1a) attached to a roving bobbin to obtain a blank bobbin including a rotary driving device for rotating the roving bobbin (1) alternately in a forward direction and a reverse direction, and a device (1b) for completely removing the residual roving strongly attached to a roving wind assisting cloth provided on the blank bobbin. A suction nozzle for sucki...

A feeder for use in a sheet-feed printing machine, in which, while a pile board loaded with a paper sheet pile (A) through a pallet (4) is moved up, paper sheets are fed to the printing unit through a side register lay, comprising a sensor movable along a threaded shaft (33) according to the rotation of the threaded shaft to detect a side edge of the paper sheet pile, which is moved over the dista...

The utility model relates to a lead acid accumulator with pocketed plate, characterized in that positive-negative plates are of pocket type, plate lugs extend out of the plate pocket, slab lattices are all covered by active substances with a proper thickness, and the active substances are covered by the plate socket entirely. The utility model has vibration resistance and better specific power and...

The invention relates to a sheet delivery system for a sheet-processing machine in which the sheets to be deposited are conveyed horizontally and are deposited on a sheet stack which is carried by a stacking table and lowered with increasing stacking height, said sheet delivery system comprising an auxiliary stacking table, the grate-like bars of which, can be inserted into the stacking area. Auxi...

A foreign particle detecting apparatus which comprises a light source for radiating coherent light onto an object to be detected on a surface of which a circuit pattern is formed, focusing means for focusing the light emitted from the light source onto the object to be detected at a predetermined angular aperture, moving means for moving the incident light focused at the predetermined angular aper...

There are disclosed a plastic resin film which comprises a polyester resin composition comprising at least two components of (A) a polyester copolymer and (B) a polymer having conductivity, preferably having a number average molecular weight of 500 to 5000, being laminated on at least one surface of a plastic film support; a light-sensitive photographic material which comprises at least one silver...

Described is a process for preparing articles made of polyurethane foams, which comprises reacting at least one polyisocyanate with at least one compound containing activated terminal hydrogen atoms in the presence of an expanding medium comprising at least one hydrofluoroalkane and/or perfluoroalkane, and of a product containing at least one amino group and chemically bound or present in free for...