Dispensing – Collapsible wall-type container – Nonmetallic
Patent
1988-07-05
1990-05-01
Skaggs, H. Grant
Dispensing
Collapsible wall-type container
Nonmetallic
222541, 222564, 206632, 53479, B65D 3514
Patent
active
049211374
ABSTRACT:
A dispensing container for a liquid or paste-like substance, consisting of two sheets of foil material, the edges of which are interconnected by means of a liquid-tight connecting seam, enclosing therebetween a filling space, the interior of the filling space communicating with a tube fixed in the connecting seam, the tube forming an outflow opening, the sheets being extended beyond the end of this tube to form a handle, and being interconnected there in a liquid-tight manner in order to close the dispensing opening of the tube, at least a portion of these extended sheet portions being adapted to be loosened in order to uncover the dispensing opening of the tube so as to allow to dispense the contents of the filling space, which is characterized in that the connecting seam between the foil sheets (1) near the tube (5) is provided with a preformed channel portion (4) in which the tube (5) is fixed in a liquid-tight manner, the channel (4) being extended (4') beyond the extremity of the tube (5) and into the handle portion (6), in that the tube (5) is made of a rigid pressure-elastic material, and in that the diameter of the bore (10) of the tube (5), depending on the viscosity and the surface tension of the contents (8) in respect of the tube material is, on the one hand, so small that the contents (8) in the closed condition of the container will be kept by the surface tension outside the bore (10) of the tube (5), and, on the other hand, the diameter of the bore (10) of the tube (5) is so large that, therein, no capillary effect occurs which would enhance the penetration of the contents (8) therein.
REFERENCES:
patent: 1438487 (1922-12-01), Greene
patent: 2894510 (1959-07-01), Bellamy
patent: 2941694 (1960-06-01), Harman
patent: 2947653 (1960-08-01), Fohr
patent: 2962192 (1958-09-01), Volckening
patent: 3913734 (1975-10-01), Siegel
patent: 4183434 (1980-01-01), Watt
patent: 4631901 (1986-12-01), Chung et al.
HSM
Skaggs H. Grant
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