Waterproof membranes

a waterproof membrane and waterproof technology, applied in knitting machines, weaving, straight-bar knitting machines, etc., can solve problems such as labor and danger, achieve the effects of improving puncture resistance and waterproofing, increasing the mass or density of the base fabric, and prolonging the long-term performan

Inactive Publication Date: 2014-03-13
SEAMAN CORP
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Benefits of technology

[0011]In another embodiment, a polyester base fabric of increased mass of for example 6 to 10 ounces/sq. yard, is used as the single-ply base fabric for improved puncture resistance and waterproofing and ability to carry polymeric adhesive and polymeric coating layers on a single side such as the top side, and to carry asphalt binding layers on both sides.
[0012]In another embodiment, a single-ply base fabric is coated on one side with a compound that is specifically formulated to resist any further adhesive that is applied to it. An example is the use of a PVC/Elvaloy compound, formulated to resist degradation from exposure to any additional adhesive applied to the polymer coating, and extended long-term performance. In this embo...

Problems solved by technology

This requires the application of hot asphalt directly to a roof underlayment, which is laborious and hazardous.
The combination of woven ...

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Embodiment Construction

[0020]The present disclosure and related inventions are directed to waterproof membranes and particularly to single-ply polymeric coated substrates which serve as the primary water barrier in a waterproof membrane. The single-ply polymeric coated substrates of the present disclosure and related inventions are combinable with one or more adhesives and additional materials to form a waterproof membrane for a wide variety of applications, including architectural and construction applications above and below grade and adjacent any surface or structure to be protected from moisture.

[0021]The present disclosure and related inventions also include improved substrates which serve as the waterproof barrier and structural puncture-resistant barrier for a single-layer roofing membrane. The waterproof membranes of the present disclosure, made with a single-ply polymer coated substrate as described herein, provide reduced weight and / or thickness; reduced cost; improved puncture resistance; impro...

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Abstract

Waterproof membranes have a single-ply polymer coated substrate and at least one adhesive layer for architectural and structural waterproofing.

Description

RELATED APPLICATIONS[0001]This application claims priority to and is a non-provisional of U.S. Provisional Patent Application No. 61 / 700,417 filed Sep. 13, 2012, entitled “Waterproof Membranes,” the contents of which is incorporated by reference.FIELD OF THE INVENTION[0002]The present disclosure and related inventions is directed to an improved waterproof membrane(s) for use as waterproof barriers.BACKGROUND OF THE INVENTION[0003]Waterproof membranes are commonly formed by use of multiple layers of materials including a matrix such as a woven scrim or fabric which is coated or combined with natural or synthetic material which blocks the passage of moisture through the matrix. For example, roofing membranes, for flat or low-slope roofs are typically constructed of multiple layers of woven polymeric or glass mat material with bituminous or modified bituminous applied to both sides and adhesive between the layers. The modified bituminous material may include any of various polymers or ...

Claims

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Application Information

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IPC IPC(8): E04D5/02E04D5/10
CPCE04D5/10E04D5/02B32B5/022B32B5/024B32B5/026B32B7/12B32B2255/02B32B2255/26B32B2262/0276B32B2262/101B32B2307/712B32B2307/7265B32B2307/748B32B2419/06Y10T428/1476Y10T442/3854Y10T442/2107Y10T442/40Y10T442/2066Y10T442/674Y10T442/2098
Inventor BRADENBURG, FRANK E.
Owner SEAMAN CORP
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