Pressure closing device for joining the edges of plastic sheets

Details Pressure closing device for joining the edges of plastic sheets Pressure closing device for joining the edges of plastic sheets

1987-03-17

1990-02-06

Kundrat, Andrew V.

Joints and connections

Scarf

Mirror images

403344, 24587, F16D 100, B65D 3324

Patent

active

048984922

ABSTRACT:
The invention relates to a pressure closing device for joining the edges of plastic sheets, comprising a shaped strip fastened by heat-sealing in the vicinity of each of the edges to be joined, each of the strips comprising a hooking element able to work with the corresponding hooking element of the shaped strip fastened in the vicinity of the other edge to be joined and a flap by which the shaped strip is fastened to the corresponding sheet.
The flap of each shaped strip has at least one intermediate longitudinal rib protruding from one of its faces.

REFERENCES:
patent: 2354485 (1944-07-01), Slaughter
patent: 2791807 (1957-05-01), Morin
patent: 4363345 (1982-12-01), Scheibner
patent: 4581269 (1986-04-01), Tilman
patent: 4618383 (1986-10-01), Herrington
patent: 4731911 (1988-03-01), Gould
patent: 4736451 (1988-04-01), Ausnit

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