Device for connecting a draining and/or insulating screen within

Details Device for connecting a draining and/or insulating screen within Device for connecting a draining and/or insulating screen within

1992-04-10

1995-02-28

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156159, 156502, 156505, 156507, H01B 1306, H02G 1508

Patent

active

053933630

ABSTRACT:
A sliding box for placing a film of insulating or draining material within a trench has a front section for receiving a roll of film and a rear section for delivery of the film into the trench. Between the front section (2) and the rear section (13), the box has a connecting chamber (4) provided at each end with a pair of rollers (5-6, 7-8) mounted within said chamber by means for varying the lateral spacing of the rollers of one and the same pair between an active position in which the two rollers grip the film (3) and a position of relative withdrawal in which the film passes freely between the rollers.

REFERENCES:
patent: 2444075 (1948-07-01), Violette
patent: 2706515 (1955-04-01), Evers
patent: 3025052 (1962-03-01), Gutteling
patent: 3549458 (1970-12-01), Osta
patent: 3577302 (1971-05-01), Szakacs
patent: 4000557 (1977-01-01), Bawden
patent: 4157208 (1979-06-01), Roberts
patent: 4450318 (1984-05-01), Scardina
patent: 4481053 (1984-11-01), Tokuno
patent: 4561924 (1985-12-01), Hope
patent: 4757951 (1988-07-01), Ludszeweit
patent: 4849580 (1989-07-01), Reuter
patent: 4888070 (1989-12-01), Clark
patent: 4920236 (1990-04-01), Makiyo
patent: 5000538 (1991-03-01), Jung

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