摘要:
A TRANSFER PRESS PROVIDED WITH A REPLACEABLE MOULD COMPRISING A TOP PART AND A BOTTOM PART, FOR THE MOULDING AND VULCANISATION OF RUBBER MOULDINGS, IN WHICH THE PRESS IS PROVIDED WITH A STATIONARY LOWER HOT PLATE RESTING ON THE PRESSING TABLE, A VERTICALLY MOVABLE UPPER HOT PLATE PROVIDED WITH A CENTRAL CYLINDRICAL HOLE, AND BETWEEN THE TWO HOT PLATES THE MOULD COMPRISING A TOP MOULD PART AND A BOTTOM MOULD PART PROVIDED ON ITS UNDERSIDE WITH A CYLINDRICAL LUG, WHICH LUG IS CENTERED IN A CENTERING RING INSERTED IN THE TOP OF THE LOWER HOT PLATE, TWO FIXED VERTICAL HYDRAULIC CYLINDERS, WHOSE PISTONS ARE CONNECTED TO THE PISTON RODS EXTENDING DOWNWARDLY FROM THE HYDRAULIC CYLINDERS, TO THE INDIVIDUAL LOWER ENDS OF WHICH PISTON RODS THE UPPER HOT PLATE IS SECURED BY MEANS OF A YOKE, BEING MOUNTED ON THE COLUMN OF THE PRESS, A FURTHER FIXED HYDRAULIC CYLINDER TO THE PISTON ROD OF WHICH,
ISSUING DOWNWARDLY THEREFROM, THEIRE IS SECURED A PRESS PLUNGER WHICH IS ADAPTED TO BE PRESSED INTO THE PRESS CHAMBER CONTAINING THE UNVULCANISED RUBBER MIXTURE, AND BEING ALSO MOUNTED ON THE COLUMN, THE PRESS CHAMBER BEING FORMED BY A CYLINDRICAL RECESS, PROVIDED IN THE TOP SURFACE OF THE TOP MOULD PART FROM WHICH CYLINDRICAL RECESS AT LEAST ONE PRESS DUCT EXTENDS INTO THE MOULDING SPACE OF THE MOULD, AND BY THE BORE OF A FIXED GUIDE RING INSERTED IN A RECESS PROVIDED IN THE TOP SURFACE OF THE TOP MOULD PART.
摘要:
An automatic machine for cutting, cooling, drying and piling rubber sheets having a separate inlet section, a spray and cooling section and a receiving and piling section joined together so that the three casing sections together form a tunnel open at both ends; conveyor means for the rubber sheet to the inlet section control unit for programming the moving parts of the machine, a trimming device for the sheet, conveying means in the spray and cooling section for conveying transport rods on which the rubber sheets hang, past sprinklers and to a reserve storage for the rods; ventilators for circulating air in the spray and cooling section; conveyor means in the receiving and piling section with hooks extending therefrom adapted to seize a transport rod from said reserve storage and convey it to said piling section; vertically movable receiving means for receiving the sheets, and reciprocating grab assembly means for seizing the sheets as they hang from one of the transport rods and depositing them on the receiving means.
摘要:
THE APPLICATION DISCLOSES A MULTIPLE EXTRUDING DIE FOR EXTRUDERS IN WHICH A SUPPORTING MEMBER IS MOUNTED ON THE NOZZLE OF THE EXTRUDER, THE MEMBER CONTAINS 2 OR MORE AXIALLY PARALLEL DUCTS OVER WHICH THE EFFLUENT MOLDING COMPOSITION FROM THE NOZZLE OF THE EXTRUDER IS DIS-
TRIBUTED BY A GUIDE MEMBER, AND AN OUTLET NOZZLE CONTAINING AN EXTRUSION DIE BEING CONNECTED TO THE FORWARD ENDS OF THE INDIVIDUAL DUCTS.