DE2255871B2 - Mehrschichtige, luftschalldaemmende baustoffplatte mit starker koerperschalldaemmung und verfahren zu deren herstellung - Google Patents
Mehrschichtige, luftschalldaemmende baustoffplatte mit starker koerperschalldaemmung und verfahren zu deren herstellungInfo
- Publication number
- DE2255871B2 DE2255871B2 DE19722255871 DE2255871A DE2255871B2 DE 2255871 B2 DE2255871 B2 DE 2255871B2 DE 19722255871 DE19722255871 DE 19722255871 DE 2255871 A DE2255871 A DE 2255871A DE 2255871 B2 DE2255871 B2 DE 2255871B2
- Authority
- DE
- Germany
- Prior art keywords
- layer
- weight
- building material
- heavy layer
- flexible
- Prior art date
- 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.)
- Ceased
Links
- 238000009413 insulation Methods 0.000 title claims description 15
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 238000000034 method Methods 0.000 title claims description 7
- 239000004566 building material Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 21
- 239000003292 glue Substances 0.000 claims description 9
- 239000011230 binding agent Substances 0.000 claims description 8
- 239000002023 wood Substances 0.000 claims description 8
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 4
- 239000005977 Ethylene Substances 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 4
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 239000011507 gypsum plaster Substances 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 2
- 229910052601 baryte Inorganic materials 0.000 claims description 2
- 239000010428 baryte Substances 0.000 claims description 2
- 239000002657 fibrous material Substances 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 229910010272 inorganic material Inorganic materials 0.000 claims description 2
- 239000011147 inorganic material Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 239000004071 soot Substances 0.000 claims description 2
- 229920001897 terpolymer Polymers 0.000 claims description 2
- 239000010440 gypsum Substances 0.000 claims 1
- 229910052602 gypsum Inorganic materials 0.000 claims 1
- 239000010410 layer Substances 0.000 description 43
- 239000011093 chipboard Substances 0.000 description 12
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/02—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/14—Layered products comprising a layer of synthetic resin next to a particulate layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B2038/0052—Other operations not otherwise provided for
- B32B2038/0076—Curing, vulcanising, cross-linking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/06—Vegetal particles
- B32B2264/062—Cellulose particles, e.g. cotton
- B32B2264/067—Wood particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/718—Weight, e.g. weight per square meter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/72—Density
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/02—Temperature
- B32B2309/025—Temperature vs time profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/08—Dimensions, e.g. volume
- B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
- B32B2309/105—Thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2317/00—Animal or vegetable based
- B32B2317/16—Wood, e.g. woodboard, fibreboard, woodchips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2331/00—Polyvinylesters
- B32B2331/04—Polymers of vinyl acetate, e.g. PVA
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Laminated Bodies (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722255871 DE2255871B2 (de) | 1972-11-15 | 1972-11-15 | Mehrschichtige, luftschalldaemmende baustoffplatte mit starker koerperschalldaemmung und verfahren zu deren herstellung |
| CA185,684A CA989719A (en) | 1972-11-15 | 1973-11-13 | Method of making sound attenuating laminates |
| AT963673A AT331471B (de) | 1972-11-15 | 1973-11-15 | Schalldammplatte |
| FR7340777A FR2206190B1 (enrdf_load_stackoverflow) | 1972-11-15 | 1973-11-15 | |
| HUTE746A HU170085B (enrdf_load_stackoverflow) | 1972-11-15 | 1973-11-15 | |
| JP48128682A JPS504817A (enrdf_load_stackoverflow) | 1972-11-15 | 1973-11-15 | |
| GB5309573A GB1454774A (en) | 1972-11-15 | 1973-11-15 | Laminated board containing ethylene-vinyl acetate copolymer |
| NL7315661A NL7315661A (enrdf_load_stackoverflow) | 1972-11-15 | 1973-11-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722255871 DE2255871B2 (de) | 1972-11-15 | 1972-11-15 | Mehrschichtige, luftschalldaemmende baustoffplatte mit starker koerperschalldaemmung und verfahren zu deren herstellung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2255871A1 DE2255871A1 (de) | 1974-05-22 |
| DE2255871B2 true DE2255871B2 (de) | 1977-03-24 |
Family
ID=5861744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722255871 Ceased DE2255871B2 (de) | 1972-11-15 | 1972-11-15 | Mehrschichtige, luftschalldaemmende baustoffplatte mit starker koerperschalldaemmung und verfahren zu deren herstellung |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS504817A (enrdf_load_stackoverflow) |
| AT (1) | AT331471B (enrdf_load_stackoverflow) |
| CA (1) | CA989719A (enrdf_load_stackoverflow) |
| DE (1) | DE2255871B2 (enrdf_load_stackoverflow) |
| FR (1) | FR2206190B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1454774A (enrdf_load_stackoverflow) |
| HU (1) | HU170085B (enrdf_load_stackoverflow) |
| NL (1) | NL7315661A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4037865A1 (de) * | 1990-11-28 | 1992-06-11 | Theodor Hufer Gmbh | Schalldaemm-verbundplatte und daraus hergestellter boden-, wand- und deckenbelag |
| AT413121B (de) * | 2004-02-24 | 2005-11-15 | Lenz Nenning Gmbh | Schalldämmendes paneel |
| DE102006022715A1 (de) * | 2006-05-12 | 2007-12-06 | Hermann Gutmann Werke Ag | Verkleidungselement |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA937092B (en) * | 1992-10-01 | 1994-04-22 | Plascon Tech | Building component |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE746105A (fr) * | 1969-02-20 | 1970-08-17 | Teroson Gmbh | Composition thermoplastique pour l'isolation acoustique, de meme que les feuilles et elements manufactures qui en sont faits |
-
1972
- 1972-11-15 DE DE19722255871 patent/DE2255871B2/de not_active Ceased
-
1973
- 1973-11-13 CA CA185,684A patent/CA989719A/en not_active Expired
- 1973-11-15 FR FR7340777A patent/FR2206190B1/fr not_active Expired
- 1973-11-15 AT AT963673A patent/AT331471B/de not_active IP Right Cessation
- 1973-11-15 HU HUTE746A patent/HU170085B/hu unknown
- 1973-11-15 NL NL7315661A patent/NL7315661A/xx not_active Application Discontinuation
- 1973-11-15 GB GB5309573A patent/GB1454774A/en not_active Expired
- 1973-11-15 JP JP48128682A patent/JPS504817A/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4037865A1 (de) * | 1990-11-28 | 1992-06-11 | Theodor Hufer Gmbh | Schalldaemm-verbundplatte und daraus hergestellter boden-, wand- und deckenbelag |
| AT413121B (de) * | 2004-02-24 | 2005-11-15 | Lenz Nenning Gmbh | Schalldämmendes paneel |
| DE102006022715A1 (de) * | 2006-05-12 | 2007-12-06 | Hermann Gutmann Werke Ag | Verkleidungselement |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7315661A (enrdf_load_stackoverflow) | 1974-05-17 |
| ATA963673A (de) | 1975-11-15 |
| AT331471B (de) | 1976-08-25 |
| DE2255871A1 (de) | 1974-05-22 |
| CA989719A (en) | 1976-05-25 |
| HU170085B (enrdf_load_stackoverflow) | 1977-03-28 |
| FR2206190A1 (enrdf_load_stackoverflow) | 1974-06-07 |
| JPS504817A (enrdf_load_stackoverflow) | 1975-01-18 |
| GB1454774A (en) | 1976-11-03 |
| FR2206190B1 (enrdf_load_stackoverflow) | 1977-06-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BHV | Refusal |