Method for manufacturing a sandwiched sheet

Details Method for manufacturing a sandwiched sheet Method for manufacturing a sandwiched sheet

1997-03-10

1998-06-02

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Stratified or layered articles

264113, 264115, B29C 4318

Patent

active

057594635

ABSTRACT:
A method for manufacturing a sandwiched sheet includes grinding the natural plants into short segments and adding and mixing adhesive material into the short natural plants for forming a base material which is then heated and extruded for forming two or more boards. A woven layer of long fiber plants is engaged between the boards and includes a number of openings for allowing the base material of the boards to be filled into the openings of the woven layer and for forming a reinforced sandwiched sheet. Two layers of non-woven fabric material are engaged on the boards for forming smooth outer surfaces.

REFERENCES:
patent: 4503115 (1985-03-01), Hemels et al.
patent: 4915766 (1990-04-01), Baxter
patent: 5094791 (1992-03-01), Nopper
patent: 5134026 (1992-07-01), Melcher

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