Abstract A method and apparatus is provided for continuously making fiber reinforced plastic pipe in which a conveyor tube is formed on an axially fixed hollow rotatable mandrel. A plurality of bands of resin impregnated fiber elements are wound on the conveyor tube as it advances to provide the pipe assembly. The terminal end of the generated pipe assembly is sealed with a plug. A fluid under pressure is fed through the hollow mandrel and out the forward end of the mandrel into a chamber formed by the generated pipe assembly, the plug, and a fluid sealing means within the pipe assembly being generated, thereby causing the pipe assembly to advance. Means continuously advance an endless band to doctor freshly coated strip. Means pivot the band mounting means whereby to adjust the angle of the band with respect to the coated strip.
Apparatus for coating a strip or the like comprising a frame, a pair of aligned, spaced wheels rotatably mounted on the frame, a flat endless doctor blade band extending around the wheels, means for maintaining the doctor blade band under tension upon the wheels, means for guiding a strip for passage beneath the path of movement of the doctor blade band, means for applying a coating composition on the strip forward of the strip's passage beneath the doctor blade band, and pivot means for the frame for adjusting the angle of the doctor blade band with respect to the plane of movement of the strip.
Claim 2
Dependent Claim
105 words
Apparatus for coating a strip or the like comprising a frame, a pair of aligned, spaced wheels rotatably mounted on the frame, a flat endless doctor blade band extending around the wheels, means for maintaining the doctor blade band under tension upon the wheels, means for guiding a strip for passage beneath the path of movement of the doctor blade band, means for applying a coating composition on the strip forward of the strip's passage beneath the doctor blade band, and pivot means for the frame for adjusting the angle of the doctor blade band with respect to the plane of movement of the strip.
Claim 3
Dependent Claim
22 words
Apparatus according to claim 1, including means adjacent the doctor blade band for cleaning the band as it moves around the wheels.
Claim 4
Dependent Claim
29 words
Apparatus according to claim 1, including heating means secured to the frame to surround the doctor blade band, said heating means acting to remove coating material from the band.