Method and apparatus for filling and discharging a filling mater

Details Method and apparatus for filling and discharging a filling mater Method and apparatus for filling and discharging a filling mater

1994-07-29

1997-03-25

Larson, Lowell A.

Metal deforming

Process

Tube making or reshaping

29530, B21D 916

Patent

active

056133944

ABSTRACT:
A discharging furnace and a filling furnace are disposed in three dimensions in the upper and lower positions of a filling and discharging furnace. A reservoir is provided in an inclined surface protruding toward the lower filling furnace. The reservoir includes a valve operatively connected thereto. A hot blast heated by a duct heater through a duct is mainly fed into the discharging furnace for further heating, while a remaining small portion of the hot blast is fed into the filling furnace for keeping the filling furnace warm. Inside the discharging furnace, a filling material filled in a bent workpiece is molten and discharged into the reservoir and when the valve is opened, the gathered filling material is filled into the inside of the workpiece which is carried by a filling carrier. The filling carrier is divided into three portions of a filling pallet, a carrier body and a sealing pallet, wherein the filling pallet is provided with a nozzle and the sealing pallet is provided with a seal member. When the sealing pallet is moved upward, a slide deck is also moved up in a condition which the seal member is engaging with the lower end portion of the tubular workpiece, so that the tubular workpiece can engage at its top end portion with the nozzle. The filling material gathered within the filling pallet is then filled through the nozzle into the workpiece. In case the specification of the workpiece is changed, the nozzle and the seal member are replaced.

REFERENCES:
patent: 4947537 (1990-08-01), Lisec

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