IT1291642B1 - Manufatto in espanso poliuretanico rigido con superfici di taglio a basso tenore di polveri e procedimento per ottenere tale - Google Patents
Manufatto in espanso poliuretanico rigido con superfici di taglio a basso tenore di polveri e procedimento per ottenere taleInfo
- Publication number
- IT1291642B1 IT1291642B1 IT97MI000948A ITMI970948A IT1291642B1 IT 1291642 B1 IT1291642 B1 IT 1291642B1 IT 97MI000948 A IT97MI000948 A IT 97MI000948A IT MI970948 A ITMI970948 A IT MI970948A IT 1291642 B1 IT1291642 B1 IT 1291642B1
- Authority
- IT
- Italy
- Prior art keywords
- product
- polyurethane foam
- procedure
- rigid polyurethane
- cutting surfaces
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/006—Cutting work characterised by the nature of the cut made; Apparatus therefor specially adapted for cutting blocs of plastic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D7/086—Means for treating work or cutting member to facilitate cutting by vibrating, e.g. ultrasonically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
- B26F3/06—Severing by using heat
- B26F3/08—Severing by using heat with heated members
- B26F3/12—Severing by using heat with heated members with heated wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/56—After-treatment of articles, e.g. for altering the shape
- B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
- B29C44/5654—Subdividing foamed articles to obtain particular surface properties, e.g. on multiple modules
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Polyurethanes Or Polyureas (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT97MI000948A IT1291642B1 (it) | 1997-04-22 | 1997-04-22 | Manufatto in espanso poliuretanico rigido con superfici di taglio a basso tenore di polveri e procedimento per ottenere tale |
EP98830022A EP0873827B1 (de) | 1997-04-22 | 1998-01-21 | Verfahren zum Schneiden von Polyurethan-Hartschaumstoff mittels einer beheizten Drahtsäge |
ES98830022T ES2181154T3 (es) | 1997-04-22 | 1998-01-21 | Procedimiento para cortar espuma rigida de poliuretano por medio de un hilo calentado. |
DE59805055T DE59805055D1 (de) | 1997-04-22 | 1998-01-21 | Verfahren zum Schneiden von Polyurethan-Hartschaumstoff mittels einer beheizten Drahtsäge |
AT98830022T ATE221818T1 (de) | 1997-04-22 | 1998-01-21 | Verfahren zum schneiden von polyurethan- hartschaumstoff mittels einer beheizten drahtsäge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT97MI000948A IT1291642B1 (it) | 1997-04-22 | 1997-04-22 | Manufatto in espanso poliuretanico rigido con superfici di taglio a basso tenore di polveri e procedimento per ottenere tale |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI970948A0 ITMI970948A0 (it) | 1997-04-22 |
ITMI970948A1 ITMI970948A1 (it) | 1998-10-22 |
IT1291642B1 true IT1291642B1 (it) | 1999-01-19 |
Family
ID=11376998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT97MI000948A IT1291642B1 (it) | 1997-04-22 | 1997-04-22 | Manufatto in espanso poliuretanico rigido con superfici di taglio a basso tenore di polveri e procedimento per ottenere tale |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0873827B1 (it) |
AT (1) | ATE221818T1 (it) |
DE (1) | DE59805055D1 (it) |
ES (1) | ES2181154T3 (it) |
IT (1) | IT1291642B1 (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012102689A1 (de) † | 2012-03-26 | 2013-09-26 | Airex Ag | Strukturelement sowie Verfahren zu dessen Herstellung |
DE102012015270B4 (de) * | 2012-08-01 | 2017-12-14 | Hueck Gmbh & Co. Kg | Hohlkammerprofilanordnung mit einer Wärmedämmeinrichtung und Verfahren zur Herstellung einer Hohlkammerprofilanordnung |
BR112017010358A2 (pt) * | 2014-11-18 | 2018-07-03 | Evonik Röhm Gmbh | divisão de chapas de espuma endurecida espessa |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2108037A (en) * | 1981-10-15 | 1983-05-11 | British Industrial Plastics | Shaping aminoplasts using a hot wire |
DE3309127A1 (de) * | 1983-03-15 | 1984-09-20 | Basf Ag, 6700 Ludwigshafen | Zellige polyurethan-formkoerper, verfahren zu deren herstellung durch thermoplastische verformung von polyester-polyurethan-schaumstoffen sowie deren verwendung |
DE3405252C2 (de) * | 1984-01-20 | 1986-05-22 | Münchow und Hühne Maschinenbaugesellschaft mbH, 4100 Duisburg | Vorrichtung zum Zerschneiden eines Schaumkunststoffkörpers |
DE3700245A1 (de) * | 1987-01-07 | 1988-07-21 | Basf Ag | Verfahren zur herstellung von leichten, flaechigen formteilen unter verwendung von waessrigen dispersionen oder emulsionen aus nco-gruppen aufweisenden organischen verbindungen sowie durch das verfahren hergestellte formteile |
US5338765A (en) * | 1993-11-23 | 1994-08-16 | Schuller International, Inc. | Method of and apparatus for continuously foaming a polyimide powder |
-
1997
- 1997-04-22 IT IT97MI000948A patent/IT1291642B1/it active IP Right Grant
-
1998
- 1998-01-21 EP EP98830022A patent/EP0873827B1/de not_active Expired - Lifetime
- 1998-01-21 AT AT98830022T patent/ATE221818T1/de not_active IP Right Cessation
- 1998-01-21 ES ES98830022T patent/ES2181154T3/es not_active Expired - Lifetime
- 1998-01-21 DE DE59805055T patent/DE59805055D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE59805055D1 (de) | 2002-09-12 |
ITMI970948A0 (it) | 1997-04-22 |
ITMI970948A1 (it) | 1998-10-22 |
EP0873827A1 (de) | 1998-10-28 |
EP0873827B1 (de) | 2002-08-07 |
ATE221818T1 (de) | 2002-08-15 |
ES2181154T3 (es) | 2003-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |