Abstract A filling device for filling in doses of soft-plastic material with a piston, which comprises a filling housing and a dosaging cylinder rotatably mounted in the housing and alternately into a filling position and an emptying position. A piston reciprocates in the cylinder and is divided by at least one portion of larger diameter and a portion of smaller diameter into a stepped-up piston. The inner surface of the cylinder is stepped down complementary to the stepped-up piston. The stepped-up piston defines in the cylinder an annular chamber at the end face of the portion of the piston having a larger diameter and a cylindrical chamber at the end of the portion of the cylinder having smaller diameter. The filling housing has a filling opening within the range of the chambers, and the cylinder has a lateral opening within the range of the annular chamber and the cylindrical chamber, respectively, thereby providing alternately communication with the housing for filling the chambers and with the opening in the housing, respectively, for emptying the cylinder, depending upon the position of the cylinder.
A filling device for filling in doses of soft-plastic material with a piston, comprising a filling housing, a dosaging cylinder rotatably mounted in said housing and alternately movable into a filling position and an emptying position, respectively a piston reciprocating in said cylinder, said piston being divided by at least one portion of larger diameter and a portion of smaller diameter into a stepped-up piston, the inner surface of said cylinder being stepped down complementary to said stepped-up piston, said stepped-up piston defining in said cylinder an annular chamber at the end face of the portion of said piston having a larger diameter and a cylindrical chamber at the end of the portion of said cylinder having a smaller diameter, said filling housing having a filling opening within the range of said chambers, and said cylinder having a lateral opening within the range of said annular chamber and said cylindrical chamber, respectively, thereby providing alternately communication with said housing for filling said chambers and with said opening in said housing, respectively, for emptying said cylinder, depending upon the position of said cylinder.
Claim 2
Dependent Claim
182 words
A filling device for filling in doses of soft-plastic material with a piston, comprising a filling housing, a dosaging cylinder rotatably mounted in said housing and alternately movable into a filling position and an emptying position, respectively a piston reciprocating in said cylinder, said piston being divided by at least one portion of larger diameter and a portion of smaller diameter into a stepped-up piston, the inner surface of said cylinder being stepped down complementary to said stepped-up piston, said stepped-up piston defining in said cylinder an annular chamber at the end face of the portion of said piston having a larger diameter and a cylindrical chamber at the end of the portion of said cylinder having a smaller diameter, said filling housing having a filling opening within the range of said chambers, and said cylinder having a lateral opening within the range of said annular chamber and said cylindrical chamber, respectively, thereby providing alternately communication with said housing for filling said chambers and with said opening in said housing, respectively, for emptying said cylinder, depending upon the position of said cylinder.
Claim 3
Dependent Claim
18 words
The filling device as set forth in claim 1, wherein said chambers of said cylinder have equal volumes.
Claim 4
Dependent Claim
19 words
The filling device, as set forth in claim 1, wherein said chambers of said cylinder are of different volumes.