Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
89 words
An arrangement for the control of the flow of contents in a packing machine (1) of the type which fills, cross-seals and separates packing containers (9) from a substantially vertical tube (6) of flexible packing amaterial, into which opens up a filling pipe (7), characterized in that it comprises a movable sealing device (14), which rests forming a seal against the outside of the fillng pipe (7) as well as against the inside of the packing material tube (6) at some distance above the mouth of the filling pipe.
Claim 2
Dependent Claim
89 words
An arrangement for the control of the flow of contents in a packing machine (1) of the type which fills, cross-seals and separates packing containers (9) from a substantially vertical tube (6) of flexible packing amaterial, into which opens up a filling pipe (7), characterized in that it comprises a movable sealing device (14), which rests forming a seal against the outside of the fillng pipe (7) as well as against the inside of the packing material tube (6) at some distance above the mouth of the filling pipe.
Claim 3
Dependent Claim
32 words
An arrangement in accordance with claim 1, charcterized in that the filling pipe, the sealing device (14) and the packing material tube (6) are arranged substantially concentric in relation to each other.
Claim 4
Dependent Claim
36 words
An arrangement in accordance with claim 1 or 2, characterized in that the sealing device(14) is vertically movable between two end positions which are defined by two stopping devices (15,16) joined to the filling tube (7).
Claim 5
Dependent Claim
58 words
An arrangement in accordance with claim 3, characterized in that the sealing device (14) is connected via a helical spring (13) with a cylinder (12) located above the sealing device, whose vertical position is adapted to be monitored by means of a level monitoring device for the control of the feed of contents situated outside the tube (6).
Claim 6
Dependent Claim
57 words
An arrangement in accordance with claim 4, characterized in that the cylinder (12) comprises an area of µ-metal, the vertical position of which is adapted to be monitored by means of a level monitoring device (11) surrounding the packing material tube (6) whose signal controls a pump for the feed of contents to the packing material tube.
Claim 7
Dependent Claim
60 words
An arrangement in accordance wiuth one or more of the preceding claims, characterized in that the sealing device (14) is in the form of a plate (17) provided with central hole which surrounds the filling pipe (7) and has flexible seals (18,19) resting against the inside of the packing material tube (6) and the outside of the filling pipe respectively.