Method and apparatus for continuously forming embossed sheets

Details Method and apparatus for continuously forming embossed sheets Method and apparatus for continuously forming embossed sheets

1984-12-28

1986-09-30

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Reshaping running or indefinite-length work

291211, 291212, 29125, 29130, 264284, 264286, 425363, 425367, 425369, B29C 5324

Patent

active

046146326

ABSTRACT:
A method and an apparatus for continuously forming embossed sheets having good mechanical properties but no directional property. The apparatus has a pair of temperature-adjustable forming rolls, axial distance regulating devices to control the distance between the axes of the pair of forming rolls and a driving means for rotating the pair of forming rolls, each of the pair of forming rolls being provided with a plurality of ring-shaped blocks having a large number of projections on their circumferential surfaces; and the method comprises the steps of: introducing a sheet into a space between the pair of forming rolls, bringing the sheet into contact with the projections of the forming rolls, where the projections of the pair of forming rolls engage with one another without pressed contact, thereby making the sheet undergo plastic deformation and forming a large number of projections on both sides of the sheet.

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