Joint tape

• US 2,850,404 A
• Filed: 11/21/1955
• Issued: 09/02/1958
• Est. Priority Date: 11/21/1955
• Status: Expired due to Term

• Current Assignee: Arthur H. Dunlap
• Original Assignee: Arthur H. Dunlap
• Inventors: Dunlap, Arthur H.
• Application Number:
  US03/548,049
• Time in Patent Office: 1,016 Days
• US Class Current: 428/138
• CPC Class Codes: E04F 13/04 Bases for plaster sub-ceilings with plaster-carrying means E04B9/06
• CPC Class Codes: E04F 13/042 Joint tapes
• CPC Class Codes: E04F 21/00 Implements for finishing work on buildings for working or treating building elements of stone or stone-like material B28D
• CPC Class Codes: Y10T 428/24331 including nonapertured component
• CPC Class Codes: Y10T 428/24355 Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
• CPC Class Codes: Y10T 428/24769 Cellulosic

Claims

2. A TAPE FOR COVERING THE JOINT BETWEEN ADJOINING PANELS IN DRYWALL CONSTRUCTION COMPRISING A STRIP OF MOISTURE ABSORBENT PAPER HAVING PERFORATED SIDE EDGE PORTIONS WHICH ARE TAPERED TOWARD THE SIDE EDGE MARGINS OF THE STRIP AND WHICH HAVE THEIR BACK FACES ROUGHENED TO SPEED UP ABSORPTION THEREAT, AND A MOISTURE RESISTANT COATING APPLIED TO THE BACK FACE OF THE STROP BETWEEN SAID ROUGHENED BACK FACES, THE REMAINDER OF SAID STRIP BEING FREE TO ABSORB MOISTURE THROUGH ITS BACK FACE.