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US 8,281,550 B1Granted
Impact and fire resistant windows
AssigneeAGP Plastics, Inc.
InventorsNelson Bolton, W. Novis Smith, Elizabeth Wimmer
Life of this patent
Estimating the term…
Abstract
The present invention relates to optically clear fire resistant and impact resistant windows having at least one air gap and at least one fire resistant layer. Optionally there is also an anti-spall layer.
Claims18
A transparent fire resistant and impact resistant window comprising;
- a) an outer first glass and/or plastic layer;
- b) a transparent fire resistant layer adjacent said outer first layer which comprises about 10-25% by weight of underline Tris (hydroxymethyl) aminomethane, about 10 to 25% by weight of ammonium dibasic phosphate and about 30 to 40% by weight of sodium borate decahydrate;
- c) a second glass or plastic layer;
- d) an air gap formed by said layers of b) and c).
1 more element
A transparent fire resistant and impact resistant window comprising;
- a) an outer first glass and/or plastic layer;
- b) at least one transparent fire resistant layer which comprises about 10 to 25% by weight of underline Tris (hydroxymethyl) aminomethane, about 10 to 25% by weight of ammonium dibasic phosphate and about 30 to 40% by weight of sodium borate decahydrate;
- c) an air gap formed between a) and b);
- and
- d) spacing means in said air gap.
2 more elements
A window comprising;
- i) a first glass layer;
- ii) a fire resistant layer adjacent said first layer which comprises about 10 to 25% by weight of underline Tris (hydroxymethyl) aminomethane, about 10 to 25% by weight of ammonium dibasic phosphate and about 30 to 40% by weight of sodium borate decahydrate;
- iii) an ionomer layer;
- iv) an air gap adjacent said ionomer layer;
- and a second glass layer.
2 more elements
Dependencies are inferred from the claim text.