Pipes and tubular conduits – Distinct layers – With intermediate insulation layer
Patent
1974-10-15
1977-05-17
Aegerter, Richard E.
Pipes and tubular conduits
Distinct layers
With intermediate insulation layer
138156, 138170, 156203, 156218, 220 75, F16L 914
Patent
active
040235890
ABSTRACT:
A method is described for joining the opposite edge portions of a sheet of flexible material to form a durably-joined elongated tubular member. The material is shaped or folded to provide opposite edge flaps, spaced and extending outwardly from the tubular member formed. A strip of connector tape, folded lengthwise to form a pair of leg flaps, is interposed between the edge flaps with its legs confronting and extending oppositely thereto. Each leg flap is bonded to its corresponding adjacent edge flaps, whereby the tape serves to connect the edge flaps and form a longitudinal joint within the elongated tubular member. The tubular member so produced may include an insulating layer and a flexible skeletal structure therewithin.
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Aegerter Richard E.
Bryant III James E.
The Wiremold Company
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