Package making – Progressively seamed cover web or web folds – With closing of web between package units
Patent
1989-09-15
1991-03-26
Coan, James F.
Package making
Progressively seamed cover web or web folds
With closing of web between package units
53548, 533737, 1565835, B65B 908
Patent
active
050018914
ABSTRACT:
A filling and packaging machine for continuous filling and packaging of containers made from a sheeting tube (51) is described. It consists of a frame in which an extended sheeting tube (51) of rectangular cross-section can be fed vertically downwards (52). A plurality of uniformly spaced guide elements (2) are provided which can be tracked longitudinally on opposite sides of the sheeting tube (51) at the same speed as it and which have a U-shaped part facing the sheeting tube (51) with a base which can be placed flush against one face of the sheeting tube and two lateral faces projecting at right angles and enclosing the sheeting tube (51). A plurality of uniformly spaced, convex (in the direction of the sheeting tube (51)) pressure elements (2) which are located between the guide elements (2) and are capable of travelling with them have a front face (54) directed towards the sheeting tube (51) and lateral faces (55) connected to this. At least one die each is provided on opposed sides of the sheeting tube (51) which can engage the sheeting tube (51) in a vertical plane at right angles to the plane of the guide and pressure elements (1) above the place of engagement of the guide elements (2) and pressure elements (1) at the same speed as the sheeting tube (51). The dies have two mandrel-like elevations in the longitudinal direction of the sheeting tube (51) and facing the same.
REFERENCES:
patent: 2738631 (1956-03-01), Jarund
patent: 3006121 (1961-10-01), Omori
patent: 3320718 (1967-05-01), Thesing
patent: 4250796 (1981-02-01), Achelpohl et al.
patent: 4614078 (1986-09-01), Kawabe
patent: 4891929 (1990-01-01), Branchi
Coan James F.
Italpack s.r.l.
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