Reinforced composites and method for producing the same

• US 3,289,371 A
• Filed: 09/01/1961
• Issued: 12/06/1966
• Est. Priority Date: 09/01/1961
• Status: Expired due to Term

• Current Assignee: Arthur J. Pearson, Homer W. Duffee
• Original Assignee: Arthur J. Pearson, Homer W. Duffee
• Inventors: Pearson, Arthur J., Duffee, Homer W.
• Application Number:
  US04/135,616
• Time in Patent Office: 1,922 Days
• US Class Current: 52/338
• CPC Class Codes: B28B 19/0092 to webs, sheets or the like, e.g. of paper, cardboard
• CPC Class Codes: B28C 5/404 Pre-treatment of fibres
• CPC Class Codes: E04D 7/00 Roof covering exclusively consisting of sealing masses applied in situ; Gravelling of flat roofs
• CPC Class Codes: E04F 13/047 Plaster carrying meshes

Claims

1. A GYPSUM DECK HAVING A REINFORCED UPPER SURFACE COMPRISING:

SUPPORTING MEMBERS, A BASE FOR SAID GYPSUM DECK EXTENDING BETWEEN SAID SUPPORTING MEMBERS, A LAYER OF GYPSUM COVERING SAID SUPPORTING MEMBERS AND BASE, GLASS FIBERS DISTRIBUTED AND EMBEDDED IN A RELATIVELY THIN REGION AT THE EXPOSED SURFACE OF SAID GYPSUM IN SUFFICIENT CONCENTRATION AS REINFORCEMENT TO IMPART STRENGTH TO SAID SURFACE AGAINST CRACKING.