US2954838A - Sound deadening or absorbing wallboard - Google Patents

Sound deadening or absorbing wallboard Download PDF

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Publication number
US2954838A
US2954838A US583420A US58342056A US2954838A US 2954838 A US2954838 A US 2954838A US 583420 A US583420 A US 583420A US 58342056 A US58342056 A US 58342056A US 2954838 A US2954838 A US 2954838A
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Prior art keywords
board
sound
wallboard
depressions
sound deadening
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Expired - Lifetime
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US583420A
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Nuorivaara Zachris Enzi Mikael
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Swedish Match AB
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Svenska Tandsticks AB
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B1/86—Sound-absorbing elements slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B2001/8414—Sound-absorbing elements with non-planar face, e.g. curved, egg-crate shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B2001/8457—Solid slabs or blocks
    • E04B2001/8461—Solid slabs or blocks layered
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B2001/8457—Solid slabs or blocks
    • E04B2001/8476—Solid slabs or blocks with acoustical cavities, with or without acoustical filling
    • E04B2001/848—Solid slabs or blocks with acoustical cavities, with or without acoustical filling the cavities opening onto the face of the element
    • E04B2001/8495—Solid slabs or blocks with acoustical cavities, with or without acoustical filling the cavities opening onto the face of the element the openings going through from one face to the other face of the element

Definitions

  • the invention relates to a sound-reflection counteracting board. More particularly, the invention relates to a board for lining ceilings and walls in rooms in order to improve the acoustic conditions by the special structure of the board.
  • the hard wallboard usually has a thickness of about 6 mm. and it is ordinarily made without any special covering layer. It is usual, however, to paint the board, especially as it does not absorb the paint. This board has a hard surface and reflects sound to a high degree.
  • the more porous wallboard usually has a thickness of 6-13 mm. These boards need a surface layer, but as they absorb paint too much they are usually faced with paper and sometimes also painted. Without any surface layer these boards have a certain capacity of absorbing sound, but by applying the more dense paper the sound insulation is reduced, and particularly in large rooms the acoustics deteriorate and the sound reflection causes a disturbing effect.
  • a principal object of the present invention is to provide a board of the character stated, which considerably reduces the echo effect by splitting the sound waves in different directions.
  • An additional object of the invention is to provide a board, which reduces the reflected waves by increasing the absorption surface.
  • Another object of the invention is to provide a sound deadening board, which is simple in its construction and inexpensive in its manufacture.
  • a further object of the invention is to provide a sound deadening board, which maintains its form in spite of impressions therein.
  • a still further object of the invention is to provide a cheap sound deadening board, which has an ornamented surface.
  • Figure 2 is a section along the line IIII in Figure 1 on an enlarged scale.
  • 1 indicates a fibre board or wallboard
  • 2 is a covering layer glued to the board
  • 3 a series of parallel ridges
  • 4 a series of other parallel ridges perpendicularly thereto so that pyramidal recesses are formed between the ridges.
  • the covering layer of lining may consist of sheets of any suitable material, such as fabric, plastic, metal foils, but it is preferred to use a porous paper which in the manufacture is weakly glued and therefore, in contact with the glue, can be stretched sufficiently without bursting when thedepressions are formed.
  • thermosetting resin any known and suitable kind is used, which can be hardened or cured by heat and the press member for making the depression is heated so that the glue is hardened during the pressing operation and stiffens the walls of the depressions.
  • This operation may be performed in a press similar to an ordinary wallboard press but with only the one press plate heated and provided with an uneven surface corresponding to the desired pattern in the board.
  • the same operation may be carried out by feeding the board between two press rollers, one of which being heated electrically or by steam and having its surface patterned.
  • the one press roller may be provided on its surface with two series of grooves, one series perpendicular to the other, so that the surface is covered by adjacent, upstanding pyramids.
  • the depressions in the board will thereby be pyramidal, but it is obvious that the board may also be provided with depressions of a conical or other suitable form.
  • the waves When the sound waves reach a wall or a ceiling having a surface of such depressions, the waves are collected towards the bottom of the funnel-shaped depressions, and for absorbing the waves, holes 5 extending from the bottom and partly or entirely through the board are bored or punched so that the waves enter the holes and pass through the side walls thereof into the porous board. Another part of the waves are reflected and split up in several directions, and these feeble sound waves are only of an inconsiderable inconvenience. When they reach the next wall they are rapidly and efiiciently deadened.
  • the boards may be prepared in the following way. After the boards obtained from the wallboard press are cooled sufficiently to prevent too rapid setting of the glue a board is introduced between two feed rollers and forwarded on a table, on which the fore end first passes a glue station, where the glue is applied either by spraying or by a brush or roller. In the next station the web is supplied and pressed by a freely rotating roller against the glue layer so as to be at least partly impregnated with glue and capable of being somewhat stretched.
  • the board thus coated is introduced between the pattern roller and a counterroller, of which the former is heated to such a high temperature, such as to 200 C., and rotates with such a low speed that the binding agent is cured between the rollers sufficiently to stiffen the walls of the depressions and prevent the compressed material from expanding.
  • a sound-reflection counteracting wallboard comprising essentially a stiff porous fibre board formed with shallow depressions covering substantially the entire surface of one side of the board and narrowing continuously from all sides to a point in the center of the depression, a layer of a cured thermo-setting binding agent covering the surface of the board provided with the depressions for reinforcing the surfaces of the de- J; pressions and maintaining their form, and a thin covering layer glued to the entire surface provided with the depressions and of a suflicient ductility to be depressed Without breaking, said board being provided with holes extending from the lowest portion of said depressions at 5 least partly through the board.

Description

Oct. 4, 1960 2. E. M. NUORIVAARA 2,954,338
SOUND DEADENING OR ABSORBING WALL-BOARD Filed May 8, 1956 United States PatentO "ice SOUND DEADENING R ABSORBING WALLBOARD Zachris Enzio Mikael Nuorivaara, Overboelare-Grammont, Belgium, assignor to Svenska Tandsticks Aktiebolaget, Jonkoping, Sweden, a Swedish joint-stock company Filed May 8, 1956, Ser. No. 583,420
Claims priority, application Sweden May 18, 1955 1 Claim. (Cl. 181-33) The invention relates to a sound-reflection counteracting board. More particularly, the invention relates to a board for lining ceilings and walls in rooms in order to improve the acoustic conditions by the special structure of the board.
For facing walls and ceilings different kinds of wallboard are used, which may be either hard or more or less porous. The hard wallboard usually has a thickness of about 6 mm. and it is ordinarily made without any special covering layer. It is usual, however, to paint the board, especially as it does not absorb the paint. This board has a hard surface and reflects sound to a high degree. The more porous wallboard usually has a thickness of 6-13 mm. These boards need a surface layer, but as they absorb paint too much they are usually faced with paper and sometimes also painted. Without any surface layer these boards have a certain capacity of absorbing sound, but by applying the more dense paper the sound insulation is reduced, and particularly in large rooms the acoustics deteriorate and the sound reflection causes a disturbing effect.
A principal object of the present invention is to provide a board of the character stated, which considerably reduces the echo effect by splitting the sound waves in different directions.
An additional object of the invention is to provide a board, which reduces the reflected waves by increasing the absorption surface.
Another object of the invention is to provide a sound deadening board, which is simple in its construction and inexpensive in its manufacture.
A further object of the invention is to provide a sound deadening board, which maintains its form in spite of impressions therein.
A still further object of the invention is to provide a cheap sound deadening board, which has an ornamented surface.
With these and other objects in view, as will appear hereinafter, my invention consists in certain steps of the manufacture and arrangements of the porous board as will appear from the following description, claim and the accompanying drawing, in which Figure 1 is a plan view of a part of a sound absorbing board according to one embodiment of the invention, and
Figure 2 is a section along the line IIII in Figure 1 on an enlarged scale.
In the drawing, 1 indicates a fibre board or wallboard, 2 is a covering layer glued to the board, 3 a series of parallel ridges and 4 a series of other parallel ridges perpendicularly thereto so that pyramidal recesses are formed between the ridges.
Experiments have shown that the covering of the board in connection with the pressing operation in a wallboard press involves several difficulties, and the board is therefore made in the ordinary way and subjected in dry condition to the steps according to the invention.
Patented Oct. 4, 1960 The covering layer of lining may consist of sheets of any suitable material, such as fabric, plastic, metal foils, but it is preferred to use a porous paper which in the manufacture is weakly glued and therefore, in contact with the glue, can be stretched sufficiently without bursting when thedepressions are formed.
Before the paper is placed on the board a glue layer is applied either to the board or to the paper, whereafter the paper is rolled onto the board and the depressions are made. As the porous board is rather eleastic, the depressions would be partly levelled out, if they are not immediately made stiff and permanent in some way. For this reason a thermosetting resin of any known and suitable kind is used, which can be hardened or cured by heat and the press member for making the depression is heated so that the glue is hardened during the pressing operation and stiffens the walls of the depressions.
This operation may be performed in a press similar to an ordinary wallboard press but with only the one press plate heated and provided with an uneven surface corresponding to the desired pattern in the board. The same operation, however, may be carried out by feeding the board between two press rollers, one of which being heated electrically or by steam and having its surface patterned. In order to obtain the pattern shown in the drawing the one press roller may be provided on its surface with two series of grooves, one series perpendicular to the other, so that the surface is covered by adjacent, upstanding pyramids. The depressions in the board will thereby be pyramidal, but it is obvious that the board may also be provided with depressions of a conical or other suitable form.
When the sound waves reach a wall or a ceiling having a surface of such depressions, the waves are collected towards the bottom of the funnel-shaped depressions, and for absorbing the waves, holes 5 extending from the bottom and partly or entirely through the board are bored or punched so that the waves enter the holes and pass through the side walls thereof into the porous board. Another part of the waves are reflected and split up in several directions, and these feeble sound waves are only of an inconsiderable inconvenience. When they reach the next wall they are rapidly and efiiciently deadened.
The boards may be prepared in the following way. After the boards obtained from the wallboard press are cooled sufficiently to prevent too rapid setting of the glue a board is introduced between two feed rollers and forwarded on a table, on which the fore end first passes a glue station, where the glue is applied either by spraying or by a brush or roller. In the next station the web is supplied and pressed by a freely rotating roller against the glue layer so as to be at least partly impregnated with glue and capable of being somewhat stretched. In the third station the board thus coated is introduced between the pattern roller and a counterroller, of which the former is heated to such a high temperature, such as to 200 C., and rotates with such a low speed that the binding agent is cured between the rollers sufficiently to stiffen the walls of the depressions and prevent the compressed material from expanding.
What I claim is:
A sound-reflection counteracting wallboard, comprising essentially a stiff porous fibre board formed with shallow depressions covering substantially the entire surface of one side of the board and narrowing continuously from all sides to a point in the center of the depression, a layer of a cured thermo-setting binding agent covering the surface of the board provided with the depressions for reinforcing the surfaces of the de- J; pressions and maintaining their form, and a thin covering layer glued to the entire surface provided with the depressions and of a suflicient ductility to be depressed Without breaking, said board being provided with holes extending from the lowest portion of said depressions at 5 least partly through the board.
References Cited in the file of this patent UNITED STATES PATENTS 1,781,797 Williams Nov. 18, 1930 10 Cunnington Apr. 5, 1938 Wagner Jan. 16, 1940 Davies Apr. 24, 1951 Gerard Sept. 22, 1953 FOREIGN PATENTS Great Britain Sept. 13, 1950 Germany Oct. 11, 1951
US583420A 1955-05-18 1956-05-08 Sound deadening or absorbing wallboard Expired - Lifetime US2954838A (en)

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Cited By (50)

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US3070476A (en) * 1960-07-22 1962-12-25 Hicks & Otis Prints Inc Ornamentation of resilient absorbent materials
US3087577A (en) * 1960-01-18 1963-04-30 Michael J Prestia Ceiling tile with sound attenuating and visual effects
US3118516A (en) * 1959-12-24 1964-01-21 Owens Corning Fiberglass Corp Sound absorbing film faced boards of mineral fibers and method of making same
US3206346A (en) * 1960-11-19 1965-09-14 Nuorivaara Ensio Method of treatment of porous wallboard
US3309830A (en) * 1963-09-13 1967-03-21 Fitzgerald Isabel Slotted block wall construction with interfitted wire tie
US3328228A (en) * 1964-06-11 1967-06-27 Dow Chemical Co Insulative decorative wall and ceiling board and method for producing same
US3398811A (en) * 1961-08-28 1968-08-27 United States Gypsum Co Acoustical tile with vibratile membrane extending into fissures
US3418766A (en) * 1965-02-03 1968-12-31 Mccall Bros & Co Suspended ceiling system
US3504463A (en) * 1968-09-30 1970-04-07 Conwed Corp Lay-in type suspended ceiling and panel therefor
US3623828A (en) * 1968-12-31 1971-11-30 Nasa Trap for preventing diffusion pump backstreaming
US4261433A (en) * 1979-02-12 1981-04-14 Herman Miller, Inc. Acoustical-reflective ceiling construction
US4860506A (en) * 1987-03-06 1989-08-29 Daiken Trade & Industry Co., Ltd. Floor panel for floating floor
US4909003A (en) * 1988-07-14 1990-03-20 Hennigan Michael R Sound insulating space board
US5024290A (en) * 1989-03-17 1991-06-18 Lignoform Benken Ag Sound absorbing panel for interior walls
US5198626A (en) * 1987-10-02 1993-03-30 Helmut Pelzer Heat protective, sound permeable lining
US5436057A (en) * 1992-12-24 1995-07-25 James River Corporation High softness embossed tissue with nesting prevention embossed pattern
US5597639A (en) * 1992-12-24 1997-01-28 James River Corporation Of Virginia High softness embossed tissue
US5620776A (en) * 1992-12-24 1997-04-15 James River Corporation Of Virginia Embossed tissue product with a plurality of emboss elements
USD406791S (en) * 1997-10-23 1999-03-16 Fort James Corporation Repeating pattern for an embossed paper product
USD420517S (en) * 1998-06-30 2000-02-15 Potlatch Corporation Embossed tissue
US20050116389A1 (en) * 2002-03-04 2005-06-02 Westblock Systems, Inc. Apparatus and methods for making a masonry block with a roughened surface
US20050279574A1 (en) * 2004-06-17 2005-12-22 Walter Halterbeck Sound-absorbing device for a wall covering, ceiling covering, or floor covering
US20060286885A1 (en) * 2005-06-21 2006-12-21 Fort James Corporation Tissue product with mixed inclination embosses
USD666837S1 (en) * 2010-10-21 2012-09-11 Columbia Sportswear North America, Inc. Patterned bodywear lining material
US20120285767A1 (en) * 2011-05-11 2012-11-15 Meyer John D Acoustically absorptive panel
US20130269289A1 (en) * 2012-04-11 2013-10-17 Thomas C. Gilbert System, method and apparatus for fiber cement underlayment or backerboard
US8920908B2 (en) 2011-01-17 2014-12-30 Uacj Corporation Sheet material having a concave-convex part, and vehicle panel and laminated structure using the same
US8927089B2 (en) 2011-01-11 2015-01-06 Uacj Corporation Sheet material having a concave-convex part, and a vehicle panel and laminated structure using the same
US9090288B2 (en) 2010-09-08 2015-07-28 Sumitomo Light Metal Industries, Ltd. Sheet material having a concave-convex part, and vehicle panel and laminated structure using the same
US9108239B2 (en) 2009-11-13 2015-08-18 Sumitomo Light Metal Industries, Ltd. Sheet material having concave-convex section, and laminated structure and vehicle panel using the same
USD754978S1 (en) * 2012-09-14 2016-05-03 Under Armour, Inc. Fabric with surface ornamentation
USD758745S1 (en) 2013-03-11 2016-06-14 Under Armour, Inc. Lower body garment with outer surface ornamentation
USD765427S1 (en) 2013-03-11 2016-09-06 Under Armour, Inc. Upper body garment with areas of interior surface ornamentation
USD766599S1 (en) 2013-03-11 2016-09-20 Under Armour, Inc. Lower body garment with inner surface ornamentation
USD794560S1 (en) * 2014-10-22 2017-08-15 Baumueller Nuernberg Gmbh Electric motor drive system
USD794559S1 (en) * 2014-10-22 2017-08-15 Baumueller Nuernberg Gmbh Electric motor drive system
USD849272S1 (en) * 2017-02-17 2019-05-21 Modular Arts, Inc. Wall panel
USD908736S1 (en) * 2019-04-01 2021-01-26 Jiao Hsiung Industry Corp. Air pump
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US6131484A (en) * 1999-04-20 2000-10-17 Wang; Kuang-Pin Grip of gardening tool
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US2113128A (en) * 1935-10-25 1938-04-05 Woodall Industries Inc Sound insulation
US2187335A (en) * 1937-05-06 1940-01-16 Hinde & Dauch Paper Co Composite board
US2550455A (en) * 1946-09-23 1951-04-24 Nat Automotive Fibres Inc Trim panel and method of making the same
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Cited By (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3118516A (en) * 1959-12-24 1964-01-21 Owens Corning Fiberglass Corp Sound absorbing film faced boards of mineral fibers and method of making same
US3087577A (en) * 1960-01-18 1963-04-30 Michael J Prestia Ceiling tile with sound attenuating and visual effects
US3070476A (en) * 1960-07-22 1962-12-25 Hicks & Otis Prints Inc Ornamentation of resilient absorbent materials
US3206346A (en) * 1960-11-19 1965-09-14 Nuorivaara Ensio Method of treatment of porous wallboard
US3398811A (en) * 1961-08-28 1968-08-27 United States Gypsum Co Acoustical tile with vibratile membrane extending into fissures
US3309830A (en) * 1963-09-13 1967-03-21 Fitzgerald Isabel Slotted block wall construction with interfitted wire tie
US3328228A (en) * 1964-06-11 1967-06-27 Dow Chemical Co Insulative decorative wall and ceiling board and method for producing same
US3418766A (en) * 1965-02-03 1968-12-31 Mccall Bros & Co Suspended ceiling system
US3504463A (en) * 1968-09-30 1970-04-07 Conwed Corp Lay-in type suspended ceiling and panel therefor
US3623828A (en) * 1968-12-31 1971-11-30 Nasa Trap for preventing diffusion pump backstreaming
US4261433A (en) * 1979-02-12 1981-04-14 Herman Miller, Inc. Acoustical-reflective ceiling construction
US4860506A (en) * 1987-03-06 1989-08-29 Daiken Trade & Industry Co., Ltd. Floor panel for floating floor
US5198626A (en) * 1987-10-02 1993-03-30 Helmut Pelzer Heat protective, sound permeable lining
US4909003A (en) * 1988-07-14 1990-03-20 Hennigan Michael R Sound insulating space board
US5024290A (en) * 1989-03-17 1991-06-18 Lignoform Benken Ag Sound absorbing panel for interior walls
US5436057A (en) * 1992-12-24 1995-07-25 James River Corporation High softness embossed tissue with nesting prevention embossed pattern
US5597639A (en) * 1992-12-24 1997-01-28 James River Corporation Of Virginia High softness embossed tissue
US5620776A (en) * 1992-12-24 1997-04-15 James River Corporation Of Virginia Embossed tissue product with a plurality of emboss elements
US5874156A (en) * 1992-12-24 1999-02-23 Fort James Corporation High softness embossed tissue
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BE547888A (en)
FR1149795A (en) 1957-12-31
DE1243853B (en) 1967-07-06

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