Title:
DOSING DEVICE IN A TUBE FILLING MACHINE
Document Type and Number:
WIPO Patent Application WO2002100719
Kind Code:
A3
Abstract:
The invention relates to a dosing device in a tube filling machine, comprising a dosing chamber (13) embodied in a housing (11), said chamber having an inlet (14) and an outlet (15) for the medium which is to dosed. At least one adjustable dosing piston whose volume in the dosing chamber (19, 20) is adjustable is provided in addition to a control bushing (18) which is rotationably mounted in the housing, comprising at least one connecting channel (18b, 18c) which joins the inlet or the outlet to the dosing chamber when the control bushing is in a predetermined rotating position. The control bushing (18a) has a conical section which is sealingly arranged on a complementary conical section (12a) of the dosing chamber and which can be raised therefrom, in addition to an axial through hole (18d) wherein the at least one dosing piston is displaceably guided. At least one section of the dosing chamber is embodied on the side next to the wider end of the conical section of the control bushing, so that the conical sections are tensed against each other when the pressure in the dosing chamber is increased as a result of a movement in the dosing piston.
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Inventors:
HEITLINGER MARTIN HEINRICH (DE)
Application Number:
PCT/EP2002/006326
Publication Date:
October 23, 2003
Filing Date:
June 10, 2002
Export Citation:
Assignee:
IWK VERPACKUNGSTECHNIK GMBH (DE)
HEITLINGER MARTIN HEINRICH (DE)
HEITLINGER MARTIN HEINRICH (DE)
International Classes:
B65B1/00; B65B39/00; B65B3/32; (IPC1-7): B65B3/32
Foreign References:
| US4842026A | 1989-06-27 | |||
| US4667709A | 1987-05-26 | |||
| DE3636804C1 | 1988-05-26 |
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