US1883386A - Sound absorbing unit and method of making same - Google Patents

Sound absorbing unit and method of making same Download PDF

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Publication number
US1883386A
US1883386A US491152A US49115230A US1883386A US 1883386 A US1883386 A US 1883386A US 491152 A US491152 A US 491152A US 49115230 A US49115230 A US 49115230A US 1883386 A US1883386 A US 1883386A
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United States
Prior art keywords
strips
sound
unit
absorbing
absorbing unit
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US491152A
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Mazer Jacob
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Individual
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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
    • E04B2001/8457—Solid slabs or blocks
    • E04B2001/8461—Solid slabs or blocks layered
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]

Definitions

  • My invention relates to soundgabsorbing units anda method of making the same, an more particularly. to materials employed in the Walls and ceilings of auditoriums, studios,
  • One object of my invention is to provide a unit that has great sound-absorbing can pacity for a given area, and which may be 1e rea ily constructed so that it Will possess a desired pacity.
  • Another objectA of my invention is to provide a, sound-absorbing body Whose -surface may beconveniently given a. decorative and pleasing appearance.
  • Still another object of my invention 1s to provide a sound-absorbing unit of generally im roved characteristics.
  • Fi rel is a face view of a portion of a unit; t ig. 2 is an edge elevational view thereof; Fig. 3 is a plan vlew, on an enlarged scale, o-f one ofthe strips or ribbons entering intothe structures of Figs. 1 and 2; Fig. 4f is avieW similar to Fig. 3, but showing a ribbon predetermined sound-absorbing caof less Width, and Fig. 5 is illustrative of the manner in which the ribbons of Figs. 3 and 4c may be creased or foldld in incorporating them into a sound-absor Iing unit.
  • the unit is composed of a number of strips or ribbons 6 that areV creased and folded somewhat after the manner shown in Fig. 5, and a backing sheet or base 7.
  • the backing sheet 7 may be of any suitable material. and is preferably flexible so that it l may be bent to the contour of curved or angular Wall surfaces to which the unit may be applied.
  • the strips 6 may be of cloth, asbestos, very' thin metal, or combinations of these materials, and may of course be of various thicknsses and Widths.
  • the strips will be of non-combustible material such as thin metal or asbestos, and combinations of strips of metal, asbestos and cloth may be Furthermore, the strips While they may be of the same material, can be differently colored so as to produce certain ornamental appearances. Again, the completed unit may be painted so as to completely cover the exposed area thereof or to cover only the raised portions, leaving the depressions in the face of the unit uncolored.
  • each strip By placing only small spots of adhesive on the strips they are, when folded more yieldable thanl if they were completely covered' with the adhesive, since each strip will have yieldability and sound-absorbing capacity throughout substantially its entire length notwithstanding the fact that it is more or less compactly folded.
  • the unit of Fig. 1 may be given a-smooth appearance by applying thereto a facing sheet of ⁇ porous material such as perforated paper, loose mesh cloth, etc. f
  • a sound-absorbing unit consisting of a plurality of .strips crushed in a direction lengthwise thereof to form folds and held in assembled relation.
  • a sound-absorbing unitA consisting of strips compressed endwise to form folds, and means for holding the said strips in their deformed positions.
  • a soundsabsorbing unit composed of lribbon-like Istrips 'each having a plurality of folds along non-*parallel lines lextending in ,directions ,generally transversely of the strip.
  • the method of forming ,sound-absorbing units which comprises applying an .adhesive to strips .at points 4spaced longitudinally thereof and compressing the strips in a direction longitudinally thereof to cause the adhesive to retain Athe strips in ⁇ depressed condition.
  • the method of making sound-absorbing units which comprises applying :spots Aof adhesive to strips :at points spaced longitudinally thereof, and compressing said strips in a direction longitudinally thereof against a backing sheet .in -order to deform the strips and to cause the adhesive to hold them against lthe yhacking sheet :and to also hold them in depressed condition.
  • a sound-absorbing unit -consisting of a sheet of material crushed in directions generally parallel tothe plane thereof to form folds.
  • A' sound-absorbing unit comprising .a sheet of flexible ,material .having ⁇ folds or creases formed therein and lying vapproximately liatwise.v
  • a sound-absorbing unit comprising .a

Description

Oct. 18, 1932. 1 MAZER SOUND ABSORBING UNIT AND METHOD OF MAKING SAME Filed Oct. 25. 1950 INVENTOR Patented Get. 18, .1932
4unirse sm'rss rn'rssr orales JACOB OF STONEERST, ,UPPER BARRY TOWN SHIP, DELAWARE GOUNTY, PENNSYLVANIA y somm Ansonnms UNIT Ann simenon or Mmmm smi?.
Applicationlod October 25, 1936'. Serial No. 431,152.
My invention relates to soundgabsorbing units anda method of making the same, an more particularly. to materials employed in the Walls and ceilings of auditoriums, studios,
'5; etc., for absorbing sound and preventing reverberations thereof.l
One object of my invention is to provide a unit that has great sound-absorbing can pacity for a given area, and which may be 1e rea ily constructed so that it Will possess a desired pacity.
Another objectA of my invention is to provide a, sound-absorbing body Whose -surface may beconveniently given a. decorative and pleasing appearance.
Still another object of my invention 1s to provide a sound-absorbing unit of generally im roved characteristics.
(Ene form which my invention may take is shown in the accompanying drawing Wherein Fi rel is a face view of a portion of a unit; t ig. 2 is an edge elevational view thereof; Fig. 3 is a plan vlew, on an enlarged scale, o-f one ofthe strips or ribbons entering intothe structures of Figs. 1 and 2; Fig. 4f is avieW similar to Fig. 3, but showing a ribbon predetermined sound-absorbing caof less Width, and Fig. 5 is illustrative of the manner in which the ribbons of Figs. 3 and 4c may be creased or foldld in incorporating them into a sound-absor Iing unit.
The unit is composed of a number of strips or ribbons 6 that areV creased and folded somewhat after the manner shown in Fig. 5, and a backing sheet or base 7.
The backing sheet 7 may be of any suitable material. and is preferably flexible so that it l may be bent to the contour of curved or angular Wall surfaces to which the unit may be applied. The strips 6 may be of cloth, asbestos, very' thin metal, or combinations of these materials, and may of course be of various thicknsses and Widths.
'Small quantities of adhesive material such Ias a suitable glue are applied at various points on the strip as indicated by the numeral 8, so that whenvthe strip is folded as shown in Fig. 5, the strip will adhere to the-backing sheet 7 and the folds thereof adhere to one another, so that they Will retain their foldedA positions as shovvnin Figs. 1 and 2.
In case a fire-proof unit is desired, the strips will be of non-combustible material such as thin metal or asbestos, and combinations of strips of metal, asbestos and cloth may be Furthermore, the strips While they may be of the same material, can be differently colored so as to produce certain ornamental appearances. Again, the completed unit may be painted so as to completely cover the exposed area thereof or to cover only the raised portions, leaving the depressions in the face of the unit uncolored.
By placing only small spots of adhesive on the strips they are, when folded more yieldable thanl if they were completely covered' with the adhesive, since each strip will have yieldability and sound-absorbing capacity throughout substantially its entire length notwithstanding the fact that it is more or less compactly folded.
To facilitate the folding of the strips and to at least partially predetermine the points at which the folds Will occur when the strip is crushed endwise, I may provide slits or perforations in the same as indicated at 9 and 10 in Fig. 5. Obviously, there will be atendency for the folds or creases to follow these weakened lines.
By the term strips which is employed in the specification and claims, I do not limit myself to ribbon-like material, but contemplate also, the use of large sheets of material which may be crushed or deformed in the manner of the strip of Fig. 5.
The unit of Fig. 1 may be given a-smooth appearance by applying thereto a facing sheet of `porous material such as perforated paper, loose mesh cloth, etc. f
I claim as my invention l. A sound-absorbing unit consisting of a plurality of .strips crushed in a direction lengthwise thereof to form folds and held in assembled relation.
'5 2. A sound-absorbing unit lcomposed of strips disposed mainly flatwise in the plane of the unit each yof which has transverselyyextending folds, :and means for holding the strips in assembled relation.
110 3. A sound-absorbing unitA consisting of strips compressed endwise to form folds, and means for holding the said strips in their deformed positions.
v 4. .A sound-absorbing consisting of 1155 `strips [compressed fend'wise to form :folds and .means for holding the said strips in their deformed positions, the said means comprisin drops of vadhesive placed at points space longitudinally yof the strips.
'20 '5. A soundsabsorbing unit composed of lribbon-like Istrips 'each having a plurality of folds along non-*parallel lines lextending in ,directions ,generally transversely of the strip. A
6. The method of forming ,sound-absorbing units which comprises applying an .adhesive to strips .at points 4spaced longitudinally thereof and compressing the strips in a direction longitudinally thereof to cause the adhesive to retain Athe strips in `depressed condition.
7. The method of making sound-absorbing units which comprises applying :spots Aof adhesive to strips :at points spaced longitudinally thereof, and compressing said strips in a direction longitudinally thereof against a backing sheet .in -order to deform the strips and to cause the adhesive to hold them against lthe yhacking sheet :and to also hold them in depressed condition.
8. A sound-absorbing unit -consisting of a sheet of material crushed in directions generally parallel tothe plane thereof to form folds.
49. A' sound-absorbing unit comprising .a sheet of flexible ,material .having `folds or creases formed therein and lying vapproximately liatwise.v
10. A sound-absorbing unit comprising .a
sheet of flexible material .having folds `or creases formed therein and lying approximately flatwise, the folds or creases extendin in various directions relative Vto one anot er.
In testimony whereof I, the said vJAoon MAzER have hereunto set `my hand.
JACOB MAZER.
US491152A 1930-10-25 1930-10-25 Sound absorbing unit and method of making same Expired - Lifetime US1883386A (en)

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