IT1076431B - Apparecchiatura e processo per la produzione continua di fogli espansi - Google Patents
Apparecchiatura e processo per la produzione continua di fogli espansiInfo
- Publication number
- IT1076431B IT1076431B IT22314/77A IT2231477A IT1076431B IT 1076431 B IT1076431 B IT 1076431B IT 22314/77 A IT22314/77 A IT 22314/77A IT 2231477 A IT2231477 A IT 2231477A IT 1076431 B IT1076431 B IT 1076431B
- Authority
- IT
- Italy
- Prior art keywords
- equipment
- continuous production
- expanded sheets
- sheets
- expanded
- Prior art date
Links
Classifications
-
- 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
- B29C44/5636—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching with the addition of heat
-
- 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
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/022—Foaming unrestricted by cavity walls, e.g. without using moulds or using only internal cores
-
- 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
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/203—Expanding the moulding material in a vertical channel
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/24—Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/008—Wide strips, e.g. films, webs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/05—Use of one or more blowing agents together
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/18—Cross-linking a thermoplastic linear foam during molding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/053—Stretch
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Molding Of Porous Articles (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4062476A JPS52123460A (en) | 1976-04-09 | 1976-04-09 | Device for continuously producing foamed sheet material |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1076431B true IT1076431B (it) | 1985-04-27 |
Family
ID=12585681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22314/77A IT1076431B (it) | 1976-04-09 | 1977-04-08 | Apparecchiatura e processo per la produzione continua di fogli espansi |
Country Status (9)
Country | Link |
---|---|
US (2) | US4124344A (it) |
JP (1) | JPS52123460A (it) |
AU (1) | AU509337B2 (it) |
CA (1) | CA1099873A (it) |
DE (1) | DE2715804C3 (it) |
FR (1) | FR2347174A1 (it) |
GB (1) | GB1575139A (it) |
IT (1) | IT1076431B (it) |
NL (1) | NL171136C (it) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52123460A (en) * | 1976-04-09 | 1977-10-17 | Sekisui Chemical Co Ltd | Device for continuously producing foamed sheet material |
US4367185A (en) * | 1980-02-25 | 1983-01-04 | The Furukawa Electric Co., Ltd. | Method of producing crosslinked polypropylene foam |
IT1141633B (it) * | 1980-11-05 | 1986-10-01 | Lavorazione Mat Plast | Procedimento per la produzione di una lastra continua di schiuma di polimero sintetico termoplastico mediante estrusione |
US4337321A (en) * | 1980-12-02 | 1982-06-29 | The Dow Chemical Company | Multi-staged foaming of thermoplastic resin |
DE3114105C2 (de) * | 1981-04-08 | 1986-07-24 | Fa. Carl Freudenberg, 6940 Weinheim | Verfahren zur Herstellung einer reliefartig-profilierten Laufsohle aus geschäumtem Äthylen-Vinylacetat-Lopolymerisat (EVA) |
US4469652A (en) * | 1982-09-20 | 1984-09-04 | U.C. Industries | Foam extrusion apparatus and method |
JPS59199222A (ja) * | 1983-04-27 | 1984-11-12 | Sekisui Chem Co Ltd | 熱可塑性樹脂発泡体の製造方法およびその製造装置 |
JPS60157835A (ja) * | 1984-01-26 | 1985-08-19 | Japan Styrene Paper Co Ltd | 架橋ポリオレフイン系樹脂発泡体の製造方法および製造装置 |
US5213723A (en) * | 1985-06-03 | 1993-05-25 | Sumitomo Chemical Co., Ltd. | Process for producing rubber products |
US4832885A (en) * | 1988-03-09 | 1989-05-23 | Mobil Oil Corporation | Method and apparatus for measuring and controlling thermoplastic foam sheet blow-up |
US5087395A (en) * | 1990-07-12 | 1992-02-11 | The Dow Chemical Company | Method for processing radiation cross-link thin film foam |
US5128187A (en) * | 1990-12-11 | 1992-07-07 | Minnesota Mining And Manufacturing Company | Attachment tape for foam-backed absorbent product |
US5416129A (en) * | 1994-05-10 | 1995-05-16 | The Dow Chemical Company | Closed cell, low density ethylenic polymer foam produced with inorganic halogen-free blowing agents |
DE19804235A1 (de) * | 1998-02-04 | 1999-08-05 | Roehm Gmbh | Vorrichtung zur Kalibrierung von Hohlkammerplatten-Extrudatsträngen aus thermoplastischem Kunststoff |
US6527991B1 (en) | 2001-04-11 | 2003-03-04 | Rbx Industries, Inc. | Method for embossing a foam article |
US9062166B2 (en) * | 2008-04-15 | 2015-06-23 | Palziv Ein Hanatziv Agricultural Co-Operative Society Ltd. | Cross-linked polyolefin foams comprising cork particles |
DE102011076163A1 (de) | 2011-05-20 | 2012-11-22 | Trocellen Gmbh | Verfahren und Vorrichtung zur Extrusion einer Bahn aus thermoplastischem Kunststoff |
JP5905788B2 (ja) * | 2012-07-17 | 2016-04-20 | 積水化学工業株式会社 | 熱可塑性樹脂発泡体の製造方法及び熱可塑性樹脂発泡体の製造装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3475522A (en) * | 1966-08-10 | 1969-10-28 | Monsanto Co | Polyurethane foam curing |
GB1275089A (en) * | 1969-09-16 | 1972-05-24 | Seikisui Chemical Co Ltd | Process and apparatus for production of foamed sheet of ethylene polymers |
US3762845A (en) * | 1969-09-16 | 1973-10-02 | Sekisui Chemical Co Ltd | Apparatus for production of foamed sheet of ethylenic resin |
JPS4724269U (it) * | 1971-04-13 | 1972-11-18 | ||
JPS52123460A (en) * | 1976-04-09 | 1977-10-17 | Sekisui Chemical Co Ltd | Device for continuously producing foamed sheet material |
-
1976
- 1976-04-09 JP JP4062476A patent/JPS52123460A/ja active Granted
-
1977
- 1977-04-01 AU AU23860/77A patent/AU509337B2/en not_active Expired
- 1977-04-05 GB GB14362/77A patent/GB1575139A/en not_active Expired
- 1977-04-06 NL NLAANVRAGE7703813,A patent/NL171136C/xx not_active IP Right Cessation
- 1977-04-06 US US05/785,293 patent/US4124344A/en not_active Expired - Lifetime
- 1977-04-07 CA CA275,880A patent/CA1099873A/en not_active Expired
- 1977-04-07 DE DE2715804A patent/DE2715804C3/de not_active Expired
- 1977-04-08 IT IT22314/77A patent/IT1076431B/it active
- 1977-04-08 FR FR7710808A patent/FR2347174A1/fr active Granted
-
1978
- 1978-08-14 US US05/933,575 patent/US4213925A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS5548974B2 (it) | 1980-12-09 |
GB1575139A (en) | 1980-09-17 |
AU509337B2 (en) | 1980-05-08 |
DE2715804B2 (de) | 1979-09-13 |
NL171136B (nl) | 1982-09-16 |
DE2715804C3 (de) | 1980-05-22 |
US4124344A (en) | 1978-11-07 |
NL171136C (nl) | 1983-02-16 |
US4213925A (en) | 1980-07-22 |
FR2347174A1 (fr) | 1977-11-04 |
CA1099873A (en) | 1981-04-28 |
FR2347174B1 (it) | 1980-02-15 |
NL7703813A (nl) | 1977-10-11 |
DE2715804A1 (de) | 1977-10-27 |
AU2386077A (en) | 1978-10-05 |
JPS52123460A (en) | 1977-10-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960429 |