Message board

Details Message board Message board

1993-01-25

1994-10-04

Buffalow, Edith

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428516, 428518, 428520, 428522, 4285375, B32B 2308

Patent

active

053525353

ABSTRACT:
A message board has a surface layer made of a protectively mounted paper or plastic sheet which has a smooth plane adapted to be erasably written thereon with a whiteboard marker. An intermediate mounting layer is overlapped with and connected to the surface layer, and is made of a hard polyvinyl chloride or polyethylene. A base layer is overlapped with and connected to the intermediate mounting layer, and is made of a soft polyvinyl chloride to be attached directly to and removed from a glazy surface repeatedly.

REFERENCES:
patent: 5067287 (1991-11-01), Lewis
patent: 5205144 (1993-04-01), Montano
Plastics Manufacturing Processing "Plastic films with labeled heat sealing papers" 1993 by Plasczek 100581c.

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