WO1991000802A1 - Carreau composite pour plafonds - Google Patents

Carreau composite pour plafonds Download PDF

Info

Publication number
WO1991000802A1
WO1991000802A1 PCT/US1990/003711 US9003711W WO9100802A1 WO 1991000802 A1 WO1991000802 A1 WO 1991000802A1 US 9003711 W US9003711 W US 9003711W WO 9100802 A1 WO9100802 A1 WO 9100802A1
Authority
WO
WIPO (PCT)
Prior art keywords
ceiling tile
mirror
shock
accordance
tile composite
Prior art date
Application number
PCT/US1990/003711
Other languages
English (en)
Inventor
Edward W. Watras
Original Assignee
Watras Edward W
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/376,889 external-priority patent/US4990407A/en
Application filed by Watras Edward W filed Critical Watras Edward W
Publication of WO1991000802A1 publication Critical patent/WO1991000802A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/067—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of fibres or filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
    • E04B9/045—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like being laminated
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/14—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass
    • E04F13/145—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass with an outer layer of glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/416—Reflective
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/06—Roofs, roof membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00—Walls, panels

Definitions

  • This invention relates to a decorative wall or ceiling panel having a glass mirror face.
  • Mirrored ceiling and wall surfaces may be decoratively appealing, but heretofore they have presented structural and construction problems.
  • weight is a significant disadvantage, particularly in ceilings where it is difficult to handle large glass panels during installation and difficult to provide adequate structural support.
  • glass mirrors are not good acoustical ab ⁇ sorbers, and therefore yield higher than necessary sound levels where used.
  • glass mirrors generally crack under heat and heretofore have been quite unacceptable where fire-resistant construction is desirable. Another important point that should be made is personal safety.
  • Reflective acrylic plastic and mylar-faced mirror tiles are known, and they help reduce weight and breakage problems, but they have distortion and rapidly discolor from aging. They are softer than glass and also get scratches on the surface when they are cleaned (glass does not scratch easily when cleaned) . Also, cleaning acrylic and ylar panels creates a static charge that aids attraction of dust and dirt particles (glass mirror when cleaned does not build a static charge) . Acrylic and mylar are far inferior to glass as mirrors.
  • the present invention accordingly provides a mirror construction which combines the advantages of a glass mirror (distortionless reflected images, high resistance to discol ⁇ oration due to aging or exposure to light or atmospheric attack) with none of the safety disadvantages of a horizontal installation of glass and with high degrees of fire-resist ⁇ ance and acoustical absorption, in tile-sized panels for ease of shipping, handling and installation. Even if constructed in accordance with the invention panels are impacted and cracked, they stay intact. A panel which was deliberately impacted with a hammer in four places, remained intact and personally safe.
  • the construction of the ceiling tile of the present invention is uniquely applicable for outdoor use, such as for the ceiling of an outdoor portico.
  • One reason for this is that with a weatherproof sealant around the edges of each mirrored panel, to reduce or elimi ⁇ nate weather-induced deterioration of the silvered back of the mirror, the ceiling tile composite is highly resistant to environmental attack and damage.
  • Another reason the present ceiling tile is remarkably adapted for outdoor use is that its weight, approximately 2.5 pounds per square foot, is above the traditionally accepted minimum weight of 2 pounds per square foot for an unrestrained exterior lay-in panel.
  • the present invention combines into a bonded structure a water-felted mineral fiberboard, a glass mirror and a latex- or rubber-base or epoxy adhesive, with a hung gridwork provided for support along the edges of each struc ⁇ tural element.
  • the present invention is commercially sold under the name Image-SafeTM, Island ReflectionsTM, trademark of Inter- County Building Materials Corp. of Deer Park, Long Island, New York, U.S.A.
  • Figure 1 is a perspective view of the ceiling tile structural element of the present invention.
  • Figure 2 is an enlarged fragmentary edge-view of the structural element of the present invention.
  • Figure 3 is a exploded view of the structural element of the present invention.
  • Figure 4 is an edge-view, partly in cross-section, of the structural element and the hung gridwork support of the present invention.
  • the ceiling tile composite 10 of the present invention is a structural element compris ⁇ ing a bonded combination of a shock and heat retardant means 12, preferably mineral fiberboard, reflective means 14, preferably a glass mirror and bonding means 16, preferably an adhesive, therebetween.
  • Mineral fiberboard 12 is preferably a water felted miner ⁇ al composition acoustical ceiling panel having specific characteristics of at least one substantially planar but fissured surface 18, a minimum density of approximately one pound per square foot of area covered in order to comply with Underwriters Laboratories Inc. (U.L. Labs) classified acous ⁇ tical material time design fire tests, and compliance with other fire ratings.
  • the fissures on or in said surface 18 are preferably uniform and non-directional.
  • Acceptable commercially-available mineral fiberboard for use with the present invention are USG Auratone ® Firecode ® panels in Omni-Fissured pattern (USG is United States Gypsum Company, Chicago, Illinois, U.S.A.), Armstrong Minaboard ® FireGuard panels, Cortega pattern (Armstrong World Indus ⁇ tries, Inc., Lancaster, Pennsylvania, U.S.A.) and Celotex ® HytoneTM Protectone ® panels, Mosaic or ND Fissuretone pat ⁇ terns (Celotex Building Products Division, The Celotex Corpo ⁇ ration, Tampa, Florida, U.S.A.).
  • Mirror 14 is preferably a double-thick decorative glass having a nominal thickness of 1/8 inch. Other thicknesses, or color-tinted glass, may be used depending on availability and application. Glass itself is non-combustible.
  • Adhesive 16 is preferably a rubber- or latex-base epoxy waterproof composition which is non-flammable when fully cured and which is adapted for mirror use so as to be non- degradable with respect to the silvered or reflective side of the mirror.
  • Suitable commercially available rubber base adhesives are Sta-StuckTM Mirror Bond, Specialty Chemicals Company, Division of Continental Chemical and Coatings Corpo ⁇ ration, Woburn, Massachusetts, U.S.A., and Ultra/BondTM Mirror Mastic, C. Gunther Company, Cary, Illinois, U.S.A.
  • Suitable latex base adhesives are Henry ® #430 non-flammable clear Thin-Spread adhesive, The W.W.Henry Company, Huntington Park, California, U.S.A., and Miracle ® clear set #420 floor tile adhesive, Miracle Adhesives Corporation, Bellmore, Long Island, New York, U.S.A.
  • a suitable epoxy-adhesive is Poly- Corn Bond 2, a two-component epoxy structural adhesive avail ⁇ able in liquid form (advantageous for high volume production) and in gel form (for trowel-spread low volume use) from Polymer Compounds, Hauppauge, Long Island, New York, U.S.A.
  • Rubber base adhesives are gun (cartridge) grade, and are suitable for low volume production. The application of this type of adhesive must follow a prescribed repeat pattern with a specific amount per course. Latex base adhesives are brush or roller grade, and are suitable for high volume production. Using a textured paint roller makes the application of the adhesive extremely easy, and the quantity of adhesive is not as critical.
  • Adhesive 16 when appropriately applied to bond mirror 14 to mineral fiberboard substrate 12, enters the fissures of fissured surface 18 during application, curing or both. The strength of the resulting bond is thereby enhanced by reason of the increased surface area of substrate 12 to which adhe ⁇ sive 16 attaches. Moreover, substantially to the extent that adhesive 16 fills in what would otherwise be a void formed by a fissure against mirror 14, there is also greater bonded surface area on the bonded side.20 of mirror 14.
  • Mirror 12 is rendered more shatter-resistant, whether the shattering is a result of heat shock from fire or mechanical shock from an object striking its surface. It is believed that the reason mirror 12 becomes more heat and shock resist ⁇ ant is that both heat and shock are absorbed, or distributed over a wider area, by mineral fiberboard substrate 12. If mirror 12 does crack through, the pieces will tend to be held in place by adhesive 16, rather than fall on unsuspecting persons below. Moreover, if cracking is due to heat of fire, cracking of mirror 12 does not open up holes in.the ceiling or wall formed by structural element 10 to allow fire and smoke to,reach thereabove or spread therebeyond.
  • structural element 10 When installed as a suspended ceiling, structural element 10 is intended to be supported by a suspension system having direct hung gridwork 22 of inverted T exposed double web design having, as a minimum, ASTM classification for interme ⁇ diate duty.
  • Mirror 12 rests on gridwork 22 so that structur ⁇ al element 10 is in compression rather than in tension, aiding the permanence of the bond of adhesive 16.
  • Structural element 10 of the present invention provides long-lasting scratch-resistant decorative beauty of glass- mirrored ceilings and walls with structural and fire-retard- ant properties.
  • structural element 10 constructed and suspended as aforesaid is intended to comply with current Underwriters Laboratories Inc. classified acoustical material time design fire tests.
  • the flame spread rating of the substrate mineral fiberboard is 25.
  • the composite Image-SafeTM panels were subjected to .the same flame spread test by Underwriters Laboratories Inc., in Northbrook, Illinois, U.S.A., by their fire protection department in a "preliminary investigation" for classification.
  • the flame spread for the composite Image-SafeTM panels was 21.1 for a standard glass mirrored panel (a better than 15% reduction in flame spread) and a flame spread of 0.0 for a tempered mirror panel which appli ⁇ cant considers is a phenomenal rating (U.L. File #R3623, Project #89NH26, Tests #1 and #2 conducted on 2 February 1989) .
  • a flame spread rating of 0.0 0.0
  • asbestos- cement panels which are no longer available
  • ceramic- faced panels which are high humidity panels

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Building Environments (AREA)
  • Finishing Walls (AREA)

Abstract

Un élément a une structure qui lui permet de servir de support ignifuge à un organe décoratif en verre relativement fragile et lourd. On peut ainsi utiliser ledit élément comme élément porteur (10) composé d'un panneau (12) en fibres minérales feutrées à l'eau, d'un miroir en verre (14) et d'un adhésif (16) étanche à l'eau à base de latex, de caoutchouc ou de résine époxyde, mutuellement collés. L'ensemble est soutenu par ses bords sur un treillis suspendu (22).
PCT/US1990/003711 1989-07-06 1990-07-02 Carreau composite pour plafonds WO1991000802A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/376,889 US4990407A (en) 1989-07-06 1989-07-06 Ceiling tile composite
US376,889 1989-07-06
CA000614372A CA1310458C (fr) 1989-07-06 1989-09-28 Carreaux composites pour plafonds
CA614,372 1989-09-28

Publications (1)

Publication Number Publication Date
WO1991000802A1 true WO1991000802A1 (fr) 1991-01-24

Family

ID=25673139

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1990/003711 WO1991000802A1 (fr) 1989-07-06 1990-07-02 Carreau composite pour plafonds

Country Status (1)

Country Link
WO (1) WO1991000802A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4726860A (en) * 1984-03-12 1988-02-23 Chelsea Artisans Limited Method of making mirror laminates
US4756955A (en) * 1983-07-05 1988-07-12 Isover Saint-Gobain Recherche High density composite based on discontinuous mineral fibers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4756955A (en) * 1983-07-05 1988-07-12 Isover Saint-Gobain Recherche High density composite based on discontinuous mineral fibers
US4726860A (en) * 1984-03-12 1988-02-23 Chelsea Artisans Limited Method of making mirror laminates

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0497770A4 *

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