Sectional construction strip, e.g. for the production of window frames
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United States of America Patent
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-
Aug 4, 1981
Grant Date -
N/A
app pub date -
Jun 19, 1979
filing date -
Jun 24, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The strip comprises a tubular section of thermoplastic material, e.g. PVC, and a fill comprising a matrix of methylmethacrylate with silicate spherules as a filler, reinforced by glass filaments under tension. In production, cold methylmethacrylate is pressed in the extruded section while it is still hot.
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Cited Art Landscape
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