Fire-protection tape

Patent metadata

Field	Value
Publication number	US-10220226-B2
Application number	US-201515322984-A
Country	US
Kind code	B2
Filing date	Jun 30, 2015
Priority date	Jun 30, 2014
Publication date	Mar 5, 2019
Grant date	Mar 5, 2019

Abstract

A fire-protection tape ( 22 ) to be placed into gaps ( 12 ) in walls or ceilings ( 10 ) of buildings has at least two plies ( 24 a, 24 b ) composed of an intumescent material, wherein the plies ( 24 a, 24 b ) have a first longitudinal edge ( 26 a, 26 b ) on one outer side and a second longitudinal edge ( 28 a, 28 b ) on an opposite outer side, in each instance, wherein the plies ( 24 a, 24 b ) are flexibly connected with one another.

First claim

The invention claimed is:

1. A fire-protection tape comprising:
at least two plies comprising an intumescent material; and
a flexible connector which flexibly connects the plies with one another, such that said plies can be pivoted relative to one another,
wherein the plies have a first longitudinal edge on one outer side and a second longitudinal edge on an opposite outer side, in each instance; and
wherein the connector is connected with the plies only at their first longitudinal edges or only at their second longitudinal edges, in each instance.

2. The fire-protection tape according to claim 1 , wherein the plies are connected with one another in such a manner that they are pressed apart by activation of the intumescent material, at a longitudinal edge, and subsequently can gape apart.

3. The fire-protection tape according to claim 1 , wherein the connector is a woven fabric.

4. The fire-protection tape according to claim 1 , wherein the connector has a flexible expansion region between the plies.

5. The fire-protection tape according to claim 4 , wherein the connector is folded at least once.

6. The fire-protection tape according to claim 1 , wherein the plies are connected with the connector over the connector's full area.

7. The fire-protection tape according to claim 6 , wherein the connector is connected with the two plies on their surfaces that face away from one another.

8. The fire-protection tape according to claim 1 , wherein the connector extends into the plies, at least in part.

9. The fire-protection tape according to claim 1 , wherein the connector connects the plies with one another with shape fit and/or material fit, wherein the connector can be dissolved at a temperature below the intumescence temperature of the two plies.

10. The fire-protection ape according to claim 9 , wherein the connector is a thread, a clip or a connection layer,
wherein the thread, the clip or the connection layer has a softening, melting or decomposition temperature below the intumescence temperature of the two plies.

11. The fire-protection tape according to claim 10 comprising a thread or a clip, wherein the thread or clip comprises a plastic, the softening, melting or decomposition temperature of which lies below the intumescence temperature of the two plies.

12. The fire-protection tape according to claim 11 , wherein the thread or clip consists of a plastic, the softening, melting or decomposition temperature of which lies below 60° C.

13. The fire-protection tape according to claim 10 , wherein the connection layer is a double-sided adhesive tape.

14. The fire-protection tape according to claim 10 , wherein the thread, the clip or the connection layer has a softening, melting or decomposition temperature below 60° C.

15. The fire-protection tape according to claim 1 , wherein the connector is a woven fiberglass fabric.

16. The fire-protection tape according to claim 1 , wherein the plies are connected with the connector over its full area and are glued onto it.

17. The fire-protection tape according to claim 1 , which is placed in a gap in a wall or a ceiling of a building.

18. A fire-protection tape comprising:
at least two plies comprising an intumescent material; and
a thread or clip as a connection between the two plies, which connects the plies with one another with shape fit and/or material fit,
wherein the plies have a first longitudinal edge on one outer side and a second longitudinal edge on an opposite outer side, in each instance;
wherein the plies are flexibly connected with one another such that said plies can be pivoted relative to one another;
wherein the connection can be dissolved at a temperature below the intumescence temperature of the two plies; and
wherein the connection comprises a plastic, the softening, melting or decomposition temperature of which lies below the intumescence temperature of the two plies.

19. The fire-protection tape according to claim 18 , wherein the thread or clip consists of a plastic, the softening, melting or decomposition temperature of which lies below 60° C.

Assignees

• Hilti Ag

Inventors

• Foerg Christian

Classifications

• A62C2/065 Primary

  having as the main closure device materials, whose characteristics undergo an irreversible change under high temperatures, e.g. intumescent · CPC title

• F16L5/04

  to form a firebreak device · CPC title

• H02G3/0412

  Heat or fire protective means (for fire in electric circuits A62C3/16) · CPC title

• F16L55/1026

  Fire protection devices · CPC title

• E04B1/948

  Fire-proof sealings or joints (for doors or windows E06B5/164) · CPC title