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
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)
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 (xx) | 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 (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1542409A (en) * | 1976-06-21 | 1979-03-21 | Chloride Group Ltd | Perforating metal strip |
| FR2582549A1 (fr) * | 1985-05-28 | 1986-12-05 | Perrod Gilles | Procede et dispositif de perforation de toles de faible epaisseur pouvant etre utilisees pour la separation d'un melange liquide-solide |
| 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 |
-
1974
- 1974-03-22 FR FR7409846A patent/FR2264607A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2264607A1 (en) | 1975-10-17 |