Tapered cutout configuration

A tapered, fin-shaped technology, applied in the field of improvement of drywall panels or panels, which can solve problems such as unfavorable sound-absorbing function, loss of function of sound-absorbing holes, etc.

Pending Publication Date: 2022-04-29
USG INTERIORS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Applying joint compound in a wide pattern to hide the joint glue on the edges of adjoining slabs, a conventional technique with traditional drywall, will be detrimental to the sound absorbing function as a percentage of the sound absorbing holes will become blocked and lose their function

Method used

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  • Tapered cutout configuration
  • Tapered cutout configuration

Examples

Experimental program
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Embodiment Construction

[0016] figure 1 The non-tapered end of the drywall panel 10 is shown. As is conventional, the board 10 is manufactured with rectangular faces and has a gypsum core 11 encased in and bonded to a face paper layer 12 and a back paper layer 13 . The long sides of the rectangular plate 10 are tapered, as is customary in the industry. Manufactured or factory long side taper is achieved by reducing the thickness of the gypsum continuum at the edges of the core 11 . Typically, the board or panel 10 has major dimensions of 4 feet by 8 feet, 10 feet or 12 feet. In the example shown, the panel 10 is nominally 5 / 8 inch thick and has an acoustic construction as disclosed in US Pat. Nos. 8,684,134, 8,770,345 and 8,925,677. The board 10, including the paper wraps 12, 13, is perforated with circular holes, eg, 0.312 inches (8 mm) in diameter, with a total open area of ​​between about 12% and 20%. The perimeter of the panel 10, for example a 5-1 / 2 inch wide area, is not perforated. The fr...

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Abstract

According to the dry wall board, a gypsum core is wrapped in a front paper layer and a back paper layer, and the edge of the board is conical towards the back. The panel has a taper formed by a flap in the edge region of the face paper and a thin layer of gypsum attached to the inside of the edge of the face paper, folded into a space formed by slots cut to a depth substantially equal to the width of the flap on the edge of the panel, said flap being fixed in place by a continuous layer of hot melt adhesive, the hot melt adhesive occupies the space of the slot that is not occupied by the flap and is resilient, which provides fastener penetration resistance from the associated edge of the front face of the panel.

Description

[0001] Background of the invention [0002] This invention relates to improvements in drywall boards or panels, and more particularly to such boards facilitating the completion of end joints with like boards. [0003] current technology [0004] Traditional drywall panels are manufactured as rectangular panels with tapered long sides to facilitate flush glue joints. The long sides are usually aligned with the manufacturing process line, making the taper easy to form. The short sides don't taper as easily, so most drywall products have flat or untapered ends, sometimes called square ends. [0005] Drywall panels, also known as plasterboards, have been produced in a limited range with tapered short ends. Various techniques have been employed during the plasterboard casting process or after the boards have hardened and been cut to length. An example of the latter is disclosed in US Patent 4,584,224. [0006] Perforated and porous scrim covered acoustic drywall panels are known...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04F13/072E04F13/075B28D1/04B28D1/24B28D7/02
CPCE04F13/08E04F13/0875E04F13/0871B28D1/04B28D1/24B28D7/02E04F2290/041E04C2/043E04C2/26B32B3/06B32B7/12B32B13/08B32B37/12B32B2419/00Y10T428/24488Y10T428/24777Y10T428/24793
Inventor M·P·施皮尔曼P·J·古伯兰德森S·D·赫尔卡
Owner USG INTERIORS INC
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