SECTIONAL CONSTRUCTION STRIP,MORE PARTICULARLY SECTIONAL STRIP FOR THE PRODUCTION OF WINDOW FRAMES

摘要

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.