US1660745A - Acoustic building material - Google Patents

Acoustic building material Download PDF

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Publication number
US1660745A
US1660745A US119588A US11958826A US1660745A US 1660745 A US1660745 A US 1660745A US 119588 A US119588 A US 119588A US 11958826 A US11958826 A US 11958826A US 1660745 A US1660745 A US 1660745A
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United States
Prior art keywords
block
sound absorbing
shell
acoustic
building material
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Expired - Lifetime
Application number
US119588A
Inventor
Delaney John Henry
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ADA WALLACE DELANEY
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ADA WALLACE DELANEY
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Application filed by ADA WALLACE DELANEY filed Critical ADA WALLACE DELANEY
Priority to US119588A priority Critical patent/US1660745A/en
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Publication of US1660745A publication Critical patent/US1660745A/en
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Classifications

    • 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
    • E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
    • E04B2001/8433—Tray or frame type panels or blocks, with or without acoustical filling with holes in their face
    • 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
    • E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
    • E04B2001/8442—Tray type elements
    • 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
    • E04B2001/8485—Solid slabs or blocks with acoustical cavities, with or without acoustical filling the cavities opening onto the face of the element the opening being restricted, e.g. forming Helmoltz resonators
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/57—Processes of forming layered products

Definitions

  • This invention relates to the use of building'blocks for surfacing the interiors of auditoriums, halls, or any rooms in which it is desired to enhance the acoustical properties by providing walls of a sound absorbing and non-reverberating quality.
  • the object of this invention is to provide in the construction of Such auditoriums or rooms an interior surface in the form of blocks or slabs, which ⁇ may be laid in similar manner to a brick wall, and which will perform every function of the felt or velour hangings before mentioned and at the same time will insulate such rooms from exterior sounds.
  • An object of the invention is to provide means whereby the builder, workman or architect, may be able to correct poor acoustics of an enclosure by obtaining stock materials suitable for the particular problem in hand.
  • Figure 1 is a longitudinal section on line -m, Fig. 2, of an acoustical block constructed in accordance with this invention.
  • Fig. 2 is a face view of the exposed or sound absorbing surface of the block shown in Fig. l.
  • Fig. 3 is a fragmental section on a larger scale taken on line x-3, of Fig. 2, showing three stages of development; the fragment at the left showing the hollow block omitting the lling; the fragment at the middle, shoving the filling in place, and the portion at #he right showing a fragment of the completed block in section on said line :vl-w3.
  • the acoustic blocks may be of various shapes and sizes and in the form shown in the drawings, comprises a shell 1, which may be made of any suitable material or materials such for instance as plaster, cement, iibrous material, wood, terra cotta or in some instances, metal.
  • the form made of plaster' or the like is shownin the drawings and comprises a perforated facing a, the perforations Z) of which may be of any desired size and shape, and extend from the outside of the block to the inside cavity c, which is filled with sound absorbing material d which may be asbestos wool, loose pumice, hair, corkor substances having like sound absorbing properties.
  • an open sided box formed of the facing a; and four cavity surrounding/Walls e, is prepared in any suitable way as by moulding, and the absorbing lling d is then placed in the box loosely, with sufiicient compactness to prevent it from settling by gravity and leaving an unoccupied space.
  • the backing f is applied and may bc applied in the form of a plastic filling enti rely closing the open side of the box, thus completing a block having a perforated facing, a sound absorbingV filling, surrounding walls, and a closed back.
  • the material for forming the shell is preferably of a strong porous nature and the perforations Z; in the facing give such facing a high sound absorbing value and may yet be made to receive any ornamentation or to be made smooth and yet attractive as a finish.
  • An acoustic block comprising a shell having a perforated facing,I and a filling of sound absorbing substance.
  • An acoustic block comprising a porous shell, and a sound absorbing lling.
  • An acoustic block comprising a shell having a perforated facing and an open side; a filling of sound absorbing substance disposed in said shell and the open side of 5 said block being closed by plastic material.
  • An acoustic block comprising a porous shell having a perforated side and an open side; a sound absorbing substance disposed in said shell and a plastic filling entirely closing the open side of the block.

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)

Description

ACOUSTIC BUILDING MATERIAL Filed June 50, 1926 ligne Q i? a a n n n t a I c o u a o a e o a a u e o n 0 n 0 u J I u s g a o u s n o o u a a v u o g n o n a o u u o o l n o a 0 l 0 o 0 o v o o a n o u a n u n s n e 0 a o o u: b u o a u n e o a o o o a o 0 n a e u l 9 a q n l o o g l 6?* 1 o u a s u 0 o 0 0 a o o g 0 a o a a a c a l o e g a c e n q D a a a a o v u a a o o a n o o n I n v o I e v Inl/@nier John, J/enrypea/wry Patented Feb. 28, 1928.
UNITED STATES PATENT OFFICE.
JOHN HENRY DELANEY, OF LOS ANGELES, CALIFORNIA, ASSIGNOR TO ADA WALLACE DELANEY, OF LOS ANGELES, CALIFORNIA.
ACOUSTIC BUILDING- MATERIAL.
Application led .Tune 30, 1926. Serial No. 119,588.
This invention relates to the use of building'blocks for surfacing the interiors of auditoriums, halls, or any rooms in which it is desired to enhance the acoustical properties by providing walls of a sound absorbing and non-reverberating quality.
In auditoriums at broadcasting stations or any enclosure in which music or speaking is desired to be heard at 100% distinctness, it has been the custom to drape or cover the walls with hangings of felt; velour or like sound absorbing material with a view to overcoming the tendency toward reverberation or echoing, and the object of this invention is to provide in the construction of Such auditoriums or rooms an interior surface in the form of blocks or slabs, which `may be laid in similar manner to a brick wall, and which will perform every function of the felt or velour hangings before mentioned and at the same time will insulate such rooms from exterior sounds.
An object of the invention is to provide means whereby the builder, workman or architect, may be able to correct poor acoustics of an enclosure by obtaining stock materials suitable for the particular problem in hand. y
Other objects, advantages and features of invention may appear from the accompanying drawing, the subjoined detailed dcscription and the appended claims.
The accompanying drawing illustrates the invention in one of the forms in which it may be embodied.
' Figure 1 is a longitudinal section on line -m, Fig. 2, of an acoustical block constructed in accordance with this invention.
Fig. 2 is a face view of the exposed or sound absorbing surface of the block shown in Fig. l.
Fig. 3 is a fragmental section on a larger scale taken on line x-3, of Fig. 2, showing three stages of development; the fragment at the left showing the hollow block omitting the lling; the fragment at the middle, shoving the filling in place, and the portion at #he right showing a fragment of the completed block in section on said line :vl-w3.
The acoustic blocks may be of various shapes and sizes and in the form shown in the drawings, comprises a shell 1, which may be made of any suitable material or materials such for instance as plaster, cement, iibrous material, wood, terra cotta or in some instances, metal. The form made of plaster' or the like is shownin the drawings and comprises a perforated facing a, the perforations Z) of which may be of any desired size and shape, and extend from the outside of the block to the inside cavity c, which is filled with sound absorbing material d which may be asbestos wool, loose pumice, hair, corkor substances having like sound absorbing properties.
AIn practical manufacture an open sided box formed of the facing a; and four cavity surrounding/Walls e, is prepared in any suitable way as by moulding, and the absorbing lling d is then placed in the box loosely, with sufiicient compactness to prevent it from settling by gravity and leaving an unoccupied space.
Then the backing f is applied and may bc applied in the form of a plastic filling enti rely closing the open side of the box, thus completing a block having a perforated facing, a sound absorbingV filling, surrounding walls, and a closed back.
The material for forming the shell is preferably of a strong porous nature and the perforations Z; in the facing give such facing a high sound absorbing value and may yet be made to receive any ornamentation or to be made smooth and yet attractive as a finish.
When the block 1 has been produced in thc manner stated and the shell has become set, its sound absorbing character is determined by laboratory tests and a tag 4 may be applied to the shell at any convenient place, and is indexed with markings 5 showing the vpercentage of sound absorbency.
I claim 1. An acoustic block comprising a shell having a perforated facing,I and a filling of sound absorbing substance.
2. An acoustic block comprising a porous shell, and a sound absorbing lling.
3. An acoustic block comprising a shell having a perforated facing and an open side; a filling of sound absorbing substance disposed in said shell and the open side of 5 said block being closed by plastic material.
4. An acoustic block comprising a porous shell having a perforated side and an open side; a sound absorbing substance disposed in said shell and a plastic filling entirely closing the open side of the block.
lln testimony whereof, l have hereunto set my hand at Los Angeles, California, this 24th day of June, 1926.
JUHN HENRY DELANEY.
US119588A 1926-06-30 1926-06-30 Acoustic building material Expired - Lifetime US1660745A (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2528049A (en) * 1948-06-11 1950-10-31 Holoplast Ltd Acoustic panel
US2671522A (en) * 1950-03-31 1954-03-09 Bourgeois Charles Sound-absorbing panel
US2759554A (en) * 1952-08-04 1956-08-21 Bolt Beranek & Newman Acoustic absorber
US2897908A (en) * 1956-10-04 1959-08-04 Celotex Corp Sound absorbing unit and bundle thereof
US2928589A (en) * 1958-10-31 1960-03-15 Gen Electric Hermetically-sealed, motor compressor unit including noise reducing means
US2933146A (en) * 1956-01-26 1960-04-19 Zaldastani Othar Structural material
DE974712C (en) * 1937-04-20 1961-04-06 Daimler Benz Ag Test stand building for internal combustion engines provided with sound-absorbing means
US3001602A (en) * 1960-01-25 1961-09-26 Structural Clay Products Res F Load bearing sound absorbing clay tile unit
US3275721A (en) * 1962-04-18 1966-09-27 Loire Atel Forges Method of casting and firing a layered ceramic article
US3275101A (en) * 1963-12-16 1966-09-27 James G Milne Jr Acoustic structural unit
US6021612A (en) * 1995-09-08 2000-02-08 C&D Technologies, Inc. Sound absorptive hollow core structural panel
US20080099274A1 (en) * 2006-10-31 2008-05-01 Robert Vaughan Seel Sound Attenuation Enclosure
US20120111664A1 (en) * 2009-05-04 2012-05-10 Z-Bloc International Ab Acoustic shielding device for damping of disturbing traffic noise
WO2015193671A1 (en) * 2014-06-18 2015-12-23 Carbon Air Limited Sound attenuation
US11551654B2 (en) * 2016-02-02 2023-01-10 Nut Shell LLC Systems and methods for constructing noise reducing surfaces

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE974712C (en) * 1937-04-20 1961-04-06 Daimler Benz Ag Test stand building for internal combustion engines provided with sound-absorbing means
US2528049A (en) * 1948-06-11 1950-10-31 Holoplast Ltd Acoustic panel
US2671522A (en) * 1950-03-31 1954-03-09 Bourgeois Charles Sound-absorbing panel
US2759554A (en) * 1952-08-04 1956-08-21 Bolt Beranek & Newman Acoustic absorber
US2933146A (en) * 1956-01-26 1960-04-19 Zaldastani Othar Structural material
US2897908A (en) * 1956-10-04 1959-08-04 Celotex Corp Sound absorbing unit and bundle thereof
US2928589A (en) * 1958-10-31 1960-03-15 Gen Electric Hermetically-sealed, motor compressor unit including noise reducing means
US3001602A (en) * 1960-01-25 1961-09-26 Structural Clay Products Res F Load bearing sound absorbing clay tile unit
US3275721A (en) * 1962-04-18 1966-09-27 Loire Atel Forges Method of casting and firing a layered ceramic article
US3275101A (en) * 1963-12-16 1966-09-27 James G Milne Jr Acoustic structural unit
US6021612A (en) * 1995-09-08 2000-02-08 C&D Technologies, Inc. Sound absorptive hollow core structural panel
US20080099274A1 (en) * 2006-10-31 2008-05-01 Robert Vaughan Seel Sound Attenuation Enclosure
US20120111664A1 (en) * 2009-05-04 2012-05-10 Z-Bloc International Ab Acoustic shielding device for damping of disturbing traffic noise
WO2015193671A1 (en) * 2014-06-18 2015-12-23 Carbon Air Limited Sound attenuation
US11551654B2 (en) * 2016-02-02 2023-01-10 Nut Shell LLC Systems and methods for constructing noise reducing surfaces
US20230267907A1 (en) * 2016-02-02 2023-08-24 Nut Shell LLC Systems and methods for constructing noise reducing surfaces

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