IT955342B - Procedimento e dispositivo per la produzione di blocchi conti nui di materiale espanso di se zione trasversale rettangolare secondo il principio dello schiumeggiamento liber - Google Patents
Procedimento e dispositivo per la produzione di blocchi conti nui di materiale espanso di se zione trasversale rettangolare secondo il principio dello schiumeggiamento liberInfo
- Publication number
- IT955342B IT955342B IT24116/72A IT2411672A IT955342B IT 955342 B IT955342 B IT 955342B IT 24116/72 A IT24116/72 A IT 24116/72A IT 2411672 A IT2411672 A IT 2411672A IT 955342 B IT955342 B IT 955342B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- principle
- production
- material according
- rectangular cross
- Prior art date
Links
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
- 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
- B32B5/18—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 of foamed material
- B32B5/20—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 of foamed material foamed in situ
-
- 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
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/467—Foam spreading or levelling devices
-
- 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
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0278—Polyurethane
-
- 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
- B32B2307/724—Permeability to gases, adsorption
-
- 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
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712123216 DE2123216C3 (de) | 1971-05-11 | 1971-05-11 | Vorrichtung zum kontinuierlichen Herstellen von endlosen Schaumstoffblöcken mit rechteckigem Querschnitt nach dem Freischäumprinzip |
DE19712165903 DE2165903C3 (de) | 1971-12-31 | 1971-12-31 | Vorrichtung zum kontinuierlichen Herstellen von endlosen Schaumstoffblöcken mit rechteckigem Querschnitt nach dem Freischäumprinzip |
DE19712165902 DE2165902C3 (de) | 1971-12-31 | 1971-12-31 | Vorrichtung zum kontinuierlichen Herstellen von endlosen Schaumstoffblöcken mit rechteckigem Querschnitt nach dem Freischäumprinzip |
Publications (1)
Publication Number | Publication Date |
---|---|
IT955342B true IT955342B (it) | 1973-09-29 |
Family
ID=27183421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT24116/72A IT955342B (it) | 1971-05-11 | 1972-05-09 | Procedimento e dispositivo per la produzione di blocchi conti nui di materiale espanso di se zione trasversale rettangolare secondo il principio dello schiumeggiamento liber |
Country Status (11)
Country | Link |
---|---|
US (1) | US3942925A (it) |
JP (1) | JPS5621592B1 (it) |
AT (1) | AT352381B (it) |
BE (1) | BE783258A (it) |
CA (1) | CA1011906A (it) |
DK (1) | DK144514C (it) |
FR (1) | FR2137729B1 (it) |
GB (1) | GB1392859A (it) |
IT (1) | IT955342B (it) |
NL (1) | NL170928C (it) |
NO (1) | NO137960C (it) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4097210A (en) * | 1973-08-22 | 1978-06-27 | Federico Hernando Romanillos | System in an industrial polyexpansion process |
US4082824A (en) * | 1974-02-20 | 1978-04-04 | Planiblock, S.A. | Method of producing continuous planar expanded polyurethane blocks |
US4083324A (en) * | 1974-09-03 | 1978-04-11 | General Dynamics Corporation | Apparatus for coating a structure with a uniform foam layer |
DE2517664C3 (de) * | 1975-04-22 | 1981-06-19 | Metzeler Schaum Gmbh, 8940 Memmingen | Verfahren zur kontinuierlichen Herstellen von rechteckigen Schaumstoffblöcken |
DE2557572C2 (de) * | 1975-12-20 | 1982-08-19 | Maschinenfabrik Hennecke Gmbh, 5090 Leverkusen | Vorrichtung zum kontinuierlichen Herstellen von Schaumstoffblöcken mit rechteckigem Querschnitt |
DE2813137C3 (de) * | 1978-03-25 | 1980-10-16 | Metzeler Schaum Gmbh, 8940 Memmingen | Vorrichtung zur Synchronisierung der Bewegungen der Abdeckbahn und der Bodenbahn bei der Herstellung von Schaumstoffblöcken |
FR2446165A1 (fr) * | 1979-01-15 | 1980-08-08 | Stratifies Ste Indle | Perfectionnements apportes aux dispositifs-repartiteurs de melange liquide en particulier dans les installations pour la fabrication en continu de panneaux en matiere synthetique expansable |
IT1155453B (it) * | 1982-01-18 | 1987-01-28 | Olmo Giuseppe Superflexite | Procedimento ed impianto per la schiumatura in continuo di materie plastiche e prodotti che ne risultano |
GB8309033D0 (en) * | 1983-03-31 | 1983-05-11 | Brewer W D | Manufacturing laminated plastics materials |
WO1993024304A1 (en) * | 1992-06-01 | 1993-12-09 | Prefoam Ag | Device for the continuous manufacture of slabstock polyurethane foam |
US5527172A (en) * | 1994-04-15 | 1996-06-18 | Carpenter Co. | Apparatus for forming a foam product |
US6750263B2 (en) | 1999-12-13 | 2004-06-15 | Nippon Shokubai Co., Ltd. | Method for production of porous cross-linked polymer |
US7607911B2 (en) | 2006-04-26 | 2009-10-27 | Sealed Air Corporation (Us) | Method and apparatus for making foam-in-place cushions with selective distribution of foam |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1248453A (en) * | 1914-11-05 | 1917-12-04 | John Carr | Die-casting machine. |
US3178768A (en) * | 1958-07-31 | 1965-04-20 | Koppers Co Inc | Apparatus for making foamed polymeric structures |
DE1196051B (de) * | 1961-11-11 | 1965-07-01 | Schloemann Ag | Einrichtung zum Kuehlen der Walzen eines Walz-werkes zum Herstellen von Baendern, Blechen, Draehten, Stangen, Profilen od. dgl. aus grob- oder feinstueckigem Metall |
US3240846A (en) * | 1962-08-06 | 1966-03-15 | Allied Chem | Method and apparatus for preparing polyurethane foam sandwich structure |
US3354503A (en) * | 1964-04-02 | 1967-11-28 | Gen Tire & Rubber Co | Urethane foaming apparatus |
US3530535A (en) * | 1966-12-16 | 1970-09-29 | Carrol C Sachs | Linear extruding apparatus |
US3560599A (en) * | 1968-08-05 | 1971-02-02 | Tenneco Chem | Method of regulating the upper surface contour of polyurethane foam |
FR1599874A (it) * | 1968-11-29 | 1970-07-20 | ||
US3590425A (en) * | 1969-05-24 | 1971-07-06 | Lieberman Abraham B | Apparatus for processing a fluid compound for producing foam material for the manufacture of products having a cellular structure |
US3702274A (en) * | 1969-08-04 | 1972-11-07 | Ici Ltd | Process for making rigid polyurethane foam laminate |
US3681157A (en) * | 1970-03-12 | 1972-08-01 | Owens Corning Fiberglass Corp | Method for forming an integrated mass |
US3655311A (en) * | 1970-05-13 | 1972-04-11 | Upjohn Co | Apparatus for producing isotropic foamed synthetic resin stock |
US3841811A (en) * | 1972-02-07 | 1974-10-15 | Stratifies Ste Indle | Equipment for the continuous production of panels of synthetic material |
-
1972
- 1972-04-28 NL NLAANVRAGE7205841,A patent/NL170928C/xx active
- 1972-05-01 US US05/248,912 patent/US3942925A/en not_active Expired - Lifetime
- 1972-05-08 DK DK228372A patent/DK144514C/da not_active IP Right Cessation
- 1972-05-09 AT AT404072A patent/AT352381B/de not_active IP Right Cessation
- 1972-05-09 CA CA141,654A patent/CA1011906A/en not_active Expired
- 1972-05-09 JP JP4506372A patent/JPS5621592B1/ja active Pending
- 1972-05-09 IT IT24116/72A patent/IT955342B/it active
- 1972-05-10 GB GB2195472A patent/GB1392859A/en not_active Expired
- 1972-05-10 BE BE783258A patent/BE783258A/xx not_active IP Right Cessation
- 1972-05-10 FR FR7216716A patent/FR2137729B1/fr not_active Expired
- 1972-05-10 NO NO1663/72A patent/NO137960C/no unknown
Also Published As
Publication number | Publication date |
---|---|
NL7205841A (it) | 1972-11-14 |
ATA404072A (de) | 1979-02-15 |
JPS5621592B1 (it) | 1981-05-20 |
BE783258A (fr) | 1972-11-10 |
DK144514C (da) | 1982-09-06 |
FR2137729B1 (it) | 1978-03-24 |
CA1011906A (en) | 1977-06-14 |
GB1392859A (en) | 1975-04-30 |
NL170928C (nl) | 1983-01-17 |
FR2137729A1 (it) | 1972-12-29 |
US3942925A (en) | 1976-03-09 |
NO137960B (no) | 1978-02-20 |
NO137960C (no) | 1978-05-31 |
DK144514B (da) | 1982-03-22 |
AT352381B (de) | 1979-09-10 |
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