FR2264607B1 - - Google Patents

Info

Publication number
FR2264607B1
FR2264607B1 FR7409846A FR7409846A FR2264607B1 FR 2264607 B1 FR2264607 B1 FR 2264607B1 FR 7409846 A FR7409846 A FR 7409846A FR 7409846 A FR7409846 A FR 7409846A FR 2264607 B1 FR2264607 B1 FR 2264607B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7409846A
Other languages
French (fr)
Other versions
FR2264607A1 (en
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.)
HAIRONVILLE FORGES
Original Assignee
HAIRONVILLE FORGES
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
Application filed by HAIRONVILLE FORGES filed Critical HAIRONVILLE FORGES
Priority to FR7409846A priority Critical patent/FR2264607A1/en
Publication of FR2264607A1 publication Critical patent/FR2264607A1/en
Application granted granted Critical
Publication of FR2264607B1 publication Critical patent/FR2264607B1/fr
Granted legal-status Critical Current

Links

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/10—Incompletely punching in such a manner that the parts are still coherent with the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/36—Perforating, i.e. punching holes using rotatable work or tool holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D47/00—Making rigid structural elements or units, e.g. honeycomb structures
    • B21D47/005—Making gratings
    • 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
    • E04B2001/849—Groove or slot type openings

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
FR7409846A 1974-03-22 1974-03-22 Method of forming sound insulation panels - uses rollers with perforation forming teeth Granted FR2264607A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7409846A FR2264607A1 (en) 1974-03-22 1974-03-22 Method of forming sound insulation panels - uses rollers with perforation forming teeth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7409846A FR2264607A1 (en) 1974-03-22 1974-03-22 Method of forming sound insulation panels - uses rollers with perforation forming teeth

Publications (2)

Publication Number Publication Date
FR2264607A1 FR2264607A1 (en) 1975-10-17
FR2264607B1 true FR2264607B1 (en) 1977-10-07

Family

ID=9136705

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7409846A Granted FR2264607A1 (en) 1974-03-22 1974-03-22 Method of forming sound insulation panels - uses rollers with perforation forming teeth

Country Status (1)

Country Link
FR (1) FR2264607A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1542409A (en) * 1976-06-21 1979-03-21 Chloride Group Ltd Perforating metal strip
FR2582549A1 (en) * 1985-05-28 1986-12-05 Perrod Gilles Method and device for perforating thin metal sheets which can be used for the separation of a liquid-solid mixture
GB8818369D0 (en) * 1988-08-02 1988-09-07 Meltog Ltd Apparatus for forming perforated tubes
US5284043A (en) * 1992-09-29 1994-02-08 Amada Manufacturing America Inc. Method and device for separating a contoured product from sheet metal

Also Published As

Publication number Publication date
FR2264607A1 (en) 1975-10-17

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