Pipes and tubular conduits – Distinct layers – Reinforced
Patent
1977-06-28
1979-02-13
Aegerter, Richard E.
Pipes and tubular conduits
Distinct layers
Reinforced
138174, F16L 912
Patent
active
041390253
ABSTRACT:
A glass fiber reinforced multilayer pipe of plastic, comprises a wall having a plurality of plastic layers interconnected together and having a central wall axis with a median area on each side of the axis directly adjacent the axis and with an outer area radially outwardly from said median area, and an inner area radially inwardly of said median area. The plastic layers of the pipe wall include a plurality of glass fiber reinforced plastic layers and a plurality of plastic bonded granular filler material layers. The glass fiber reinforced plastic layers are provided both in the inner area and the outer area and the percentage of reinforcing glass fiber in the outer area is less than the percentage in the inner area. The ratio of the outer area glass fiber percentage to the inner glass fiber percentage is preferably 3 : 5. The construction advantageously includes a plastic bonded granular filler material in the layer or layers in the median area, either with or without the addition of a fiber reinforced plastic layer in the median area. The outer areas and the inner areas may be provided with one or more plastic bonded filler material layers and one or more glass fiber reinforced plastic layers. The glass fiber reinforced plastic layers advantageously include glass fibers which are oriented in a circumferential direction in some of the layers and glass fibers which are oriented in a random manner in some of the other layers.
REFERENCES:
patent: RE29112 (1977-01-01), Carter
patent: 3483896 (1969-12-01), Grosh
patent: 3532132 (1970-10-01), Rubenstein
Aegerter Richard E.
Footland L.
Hobas Engineering AG
LandOfFree
Glass fiber reinforced pipe does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Glass fiber reinforced pipe, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Glass fiber reinforced pipe will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-686765