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Ab Bofors

Kemira Kemi Ab

Volvo Bm Ab

Tunamatic Handelsbolag

Rolf Nilsson

Hans V Wahlstrom

Kjell A Pihlgren

Simo Jokinen

Nils-Georg Lindstrom

Knut Slungaard, Deceased

Hakan Bjornfoth

Module

Method for the treatment of water treatment sludge

An annular wiper for piston rods, disposed in a cylindrical wall opening wherein an axially movable piston rod is running, comprises a reinforced ring of an elastic, somewhat flexible material having a portion with an inner diameter slightly greater than the outer diameter of the piston rod and an axially outwardly projecting and radially inwardly projecting lip with a somewhat smaller inner diameter than the outer diameter of the piston rod. The reinforcement comprises a first annular portion surrounding the periphery of the elastic ring, creating a torque center line for the resilient ring, and a second annular portion absorbing as a compressive force the radially inwardly directed force exerted by the elastic ring as it turns around the torque center line.

Annular reinforced wiper for piston rods

A mechanism to be utilized for winding wire on a spool in tight coils without space between them. The mechanism includes rotating devices (14) and (16) which when activated rotate the spool (12) about its longitudinal axis (13). A wire guiding unit is arranged to be automatically moveable in all directions to the side of the thus rotating spool. The unit comprises a pressure roller (2) or equivalent which with a predetermined force presses that section of wire which during winding runs inwards at an angle against that section of wire which comprises the previous coil of wire in the layer being wound. During winding the pressure roller (2) adjoins and presses the section of wire being wound against the last wound coil of wire and the mantle surface of the spool or the already wound underlying layer of wire.

Apparatus for winding wire on a spool

Arrangement for coupling an implement to a hydraulically operated coupling device on a tractor, said arrangement comprising a male coupling frame attached to the tractor and cooperating with a female coupling frame attached to the implement, the arrangement in coupled position providing a power transmitting union. Power transmission is effected via an upper union where the coupling beams of the female frame straddle the corresponding guide beams of the male frame, and by two lower coupling devices consisting of catch hooks on the male frame and interacting coupling hooks on the female frame. The coupling members are locked and released by a separate spring-loaded latch provided with an indicating lever to which an operating mechanism has been attached.

Arrangement for coupling an implement to a tractor

A drier cabinet for drying fire-hoses of other similar hoses comprises an elongated horizontal receptacle (10), in which a plurality of hoses (19) may be placed side by side in extended positions to undergo drying in said receptacle. In order to permit a continuous operation of the drier cabinet, the receptacle (10) is divided into two parallel drying chambers (11), extending in side by side relationship along the length of the receptacle. At their upper ends, the drying chambers (11) have longitudinally extending openings which are individually closable by means of appurtenant covers (13). The two covers (13) are rigidly mounted on a common rotatable shaft (14), located between them and connected to a single driving motor (16). Additionally, the two covers (13) act as counterweights for each other to reduce the required driving power.

A drier cabinet for drying fire hoses or other similar hoses

A hose cleaning plant comprises an elongated horizontal receptacle (10) in which a number of hoses (16) may be placed side by side in extended positions, washing equipment (13) provided at one end of the receptacle (10), and a transport device (18) which is movable along the receptacle to draw a hose (16) through the washing equipment and along the receptacle (10), above the same. In order to make it possible, upon completion of a washing operation on a hose (16), to have the hose laid down in proper position in the receptacle (10) without considerable manual efforts, said transport device is formed by a carriage (18) which is supported on rails (19), provided adjacent to the longitudinal upper edges of the receptacle (10), and which is provided with means (20) for releasably holding an end portion of a hose (16) in a selected position in the transversal direction of the receptacle (10).

Hose cleaning plant

Growing community of inventors

Limhamn, Sweden

Rolf Nilsson