Process for the production and packaging of a bag-type dispenser

Details Process for the production and packaging of a bag-type dispenser Process for the production and packaging of a bag-type dispenser

1989-07-25

1991-07-16

Spruill, Robert L.

Package making

Methods

Forming or partial forming a receptacle and subsequent filling

53470, 141 3, 141 20, 222 95, 222389, B65B 3100, B65B 4300

Patent

active

050313843

ABSTRACT:
The invention concerns a process for the production and packaging of a bag-type dispenser comprising a casing surmounted by a dome, a sealed flexible bag fixed in said casing and dispensing means sealingly connected to said dome and to said bag characterized in that, prior to any other assembly and packaging operation, a dome of plastics material is produced by moulding, the dome comprising an internal tubular portion permitting sealing fixing thereon on to the upper end of a skirt forming the blank for the bag, and then said fixing is produced, thus providing a preassembled component, dome+skirt, the dome further comprising portions for fixing thereof respectively on to the upper end of the casing and to the dispensing means. The invention also concerns the resulting sub-assemblies and bag-type dispensers. The invention is used in the pharmaceutical, cosmetological, hygiene and foodstuff fields.

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patent: 4375743 (1983-03-01), Sullivan
patent: 4457455 (1984-07-01), Meshberg
patent: 4671428 (1987-06-01), Spatz

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