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Expansion joint fire barrier systems
| Details |
Inventors: Gohlke, Henry J.; Love, Tom J.; Keely, Loren W.; Wilson, Michael D.;
Assignee: Balco, Inc. (Wichita, KS)
Primary Examiner: Safavi; Michael
Assistant Examiner:
Attorney, Agent or Firm: Dougherty, Hessin, Beavers & Gilbert
Apparatus for fireproof cover of expansion voids consisting of expansion joint cover structure spanning the expansion void and supporting at least one layer of stainless steel foil and other refractory material in continual coverage across said void. |
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DETAILED DESCRIPTION The present invention relates to improvements in fire resistant expansion joint structure, which improvements are largely directed to the inclusion of a flexible fire and smoke barrier assembly that is formed of stainless steel sheet and which may include additional fire-resistant fibrous material layered therewith.
The expansion assembly includes oppositely disposed support structures in secure affixure on opposite sides of an expansion void and a centered expansion cover plate in operative association therewith.
A fire and smoke barrier consisting of layered fire-resistant fibrous material and stainless steel sheeting is then rigidly secured across the void between the opposed shoulder support structures, the barrier including enough flexible expanse to continually enclose over the expansion void at both limits.
The stainless steel sheeting or foil and fibrous insulation material are utilized in varying folded and/or spaced configurations, depending upon exigencies of application, and bonded reinforcing or securing rod may be used to form gripping edge configurations.
Therefore, it is an object of the present invention to provide an expansion joint barrier that exhibits greater isolation from fire, heat and smoke.
It is also an object of the invention to provide an expansion joint assembly that may be employed across a building expansion void with the capability of completely isolating a fire condition.
It is yet another object of the present invention to provide an expansion joint fire barrier system that exhibits reliable and long-life usage.
Finally, it is an object of the present invention to provide an expansible fire and smoke barrier system that is employable in various fold plys and package configurations in accordance with the exigencies of the installation.
Other objects and advantages of the invention will be evident from the following detailed description when read in conjunction with the accompanying drawings which illustrate the invention.
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