GB1275089A - Process and apparatus for production of foamed sheet of ethylene polymers - Google Patents

Process and apparatus for production of foamed sheet of ethylene polymers

Info

Publication number
GB1275089A
GB1275089A GB45689/69A GB4568969A GB1275089A GB 1275089 A GB1275089 A GB 1275089A GB 45689/69 A GB45689/69 A GB 45689/69A GB 4568969 A GB4568969 A GB 4568969A GB 1275089 A GB1275089 A GB 1275089A
Authority
GB
United Kingdom
Prior art keywords
foamed
sheet
extending
chamber
tube
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.)
Expired
Application number
GB45689/69A
Other languages
English (en)
Inventor
Norio Sagane
Shinsaku Nakata
Hiroshi Ueda
Teiji Matumura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to GB45689/69A priority Critical patent/GB1275089A/en
Priority to DE19691966381 priority patent/DE1966381A1/de
Priority to DE19691947589 priority patent/DE1947589C/de
Priority to US00861288A priority patent/US3711584A/en
Priority to FR6934047A priority patent/FR2064640A5/fr
Priority to CH1581469A priority patent/CH505681A/de
Priority to GB1301327D priority patent/GB1301327A/en
Priority to NL7013706A priority patent/NL7013706A/xx
Priority to US00187466A priority patent/US3762845A/en
Publication of GB1275089A publication Critical patent/GB1275089A/en
Expired legal-status Critical Current

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
    • B29C44/20—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
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
    • B29B13/023—Half-products, e.g. films, plates
    • 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
    • B29C44/34—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
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B29C44/507—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through an annular die
    • 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
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/08—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique transverse to the direction of feed
    • 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
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • 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
    • B29L2023/00—Tubular articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB45689/69A 1969-03-12 1969-09-16 Process and apparatus for production of foamed sheet of ethylene polymers Expired GB1275089A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GB45689/69A GB1275089A (en) 1969-09-16 1969-09-16 Process and apparatus for production of foamed sheet of ethylene polymers
DE19691966381 DE1966381A1 (de) 1969-09-16 1969-09-19 Verfahren und Vorrichtung zum Herstellen einer geschaeumten Bahn aus einer Schlauchfolie
DE19691947589 DE1947589C (de) 1969-09-19 Verfahren und Vorrichtung zur Her stellung einer geschäumten Bahn aus ver netztem Athylenharz
US00861288A US3711584A (en) 1969-09-16 1969-09-26 Process for foaming a sheet of ethylenic resin during downward movement of the sheet
FR6934047A FR2064640A5 (enExample) 1969-09-16 1969-10-06
CH1581469A CH505681A (de) 1969-09-16 1969-10-23 Verfahren und Vorrichtung zur Herstellung von geschäumten Folien
GB1301327D GB1301327A (enExample) 1969-03-12 1970-03-09
NL7013706A NL7013706A (enExample) 1969-09-16 1970-09-16
US00187466A US3762845A (en) 1969-09-16 1971-10-07 Apparatus for production of foamed sheet of ethylenic resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB45689/69A GB1275089A (en) 1969-09-16 1969-09-16 Process and apparatus for production of foamed sheet of ethylene polymers

Publications (1)

Publication Number Publication Date
GB1275089A true GB1275089A (en) 1972-05-24

Family

ID=10438176

Family Applications (1)

Application Number Title Priority Date Filing Date
GB45689/69A Expired GB1275089A (en) 1969-03-12 1969-09-16 Process and apparatus for production of foamed sheet of ethylene polymers

Country Status (5)

Country Link
US (1) US3711584A (enExample)
CH (1) CH505681A (enExample)
FR (1) FR2064640A5 (enExample)
GB (1) GB1275089A (enExample)
NL (1) NL7013706A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2169841A (en) * 1985-01-11 1986-07-23 Thermo Plastic Res Co Ltd Process of stretching tubular nets or plates made of extruded plastic material according to one or two directions at right angles to each other and equipment for carrying out the same
US5087185A (en) * 1988-09-08 1992-02-11 Kyowa Leather Cloth Co., Ltd. Apparatus for taking off thermoplastic synthetic resin sheet

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2539701C2 (de) * 1975-09-06 1984-05-17 Bayer Ag, 5090 Leverkusen Vorrichtung zur kontinuierlichen Herstellung endloser Schaumstoffbahnen
JPS52123460A (en) * 1976-04-09 1977-10-17 Sekisui Chemical Co Ltd Device for continuously producing foamed sheet material
US4186068A (en) * 1977-01-07 1980-01-29 The Dow Chemical Company Foamed radiation-crosslinked high density polyethylenes
US4337321A (en) * 1980-12-02 1982-06-29 The Dow Chemical Company Multi-staged foaming of thermoplastic resin
US4438054A (en) 1982-10-20 1984-03-20 Mobil Oil Corporation Method and apparatus for measuring and controlling foam sheet blow-up in a thermoformer oven
US4761256A (en) * 1987-01-27 1988-08-02 Eastman Kodak Company Method for producing microcellular foamed plastic material with smooth integral skin
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
US5929129A (en) * 1994-09-19 1999-07-27 Sentinel Products Corp. Crosslinked foamable compositions of silane-grafted, essentially linear polyolefins blended with polypropylene
US5932659A (en) 1994-09-19 1999-08-03 Sentinel Products Corp. Polymer blend
US5883144A (en) * 1994-09-19 1999-03-16 Sentinel Products Corp. Silane-grafted materials for solid and foam applications
JP4057657B2 (ja) * 1994-09-19 2008-03-05 センチネル・プロダクツ・コープ 線状ポリオレフィンの架橋フォーム構造及びその製造方法
US5844009A (en) * 1996-04-26 1998-12-01 Sentinel Products Corp. Cross-linked low-density polymer foam
CA2203595A1 (en) 1996-04-26 1997-10-26 Robert F. Hurley Cross-linked polyolefin tape
US5882776A (en) * 1996-07-09 1999-03-16 Sentinel Products Corp. Laminated foam structures with enhanced properties
US5876813A (en) 1996-07-09 1999-03-02 Senitnel Products Corp Laminated foam structures with enhanced properties
US5938878A (en) * 1996-08-16 1999-08-17 Sentinel Products Corp. Polymer structures with enhanced properties
US6221928B1 (en) 1996-11-15 2001-04-24 Sentinel Products Corp. Polymer articles including maleic anhydride
US7316985B2 (en) * 2004-04-16 2008-01-08 Frank Tien Breathable and waterproof lining structure for footwear and garment
ES2384458T3 (es) * 2004-11-08 2012-07-05 Sekisui Alveo Ag Lámina de espuma polimérica reticulada y procedimiento correspondiente
DE102006041874B4 (de) * 2005-09-30 2014-06-18 Leibniz-Institut Für Polymerforschung Dresden E.V. Vorrichtung zur kontinuierlichen Modifizierung von Polymeren im fließfähigen Zustand mittels Elektronenstrahlung
EP2177336A1 (en) * 2008-10-17 2010-04-21 Grupo Antolin-Ingenieria, S.A. Method for manufacturing a vehicle trim panel
EP2177335A1 (en) * 2008-10-17 2010-04-21 Grupo Antolin-Ingenieria S.A. Procedure for obtaining a foamed laminar product

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1016009B (de) * 1954-07-15 1957-09-19 Anton Reifenhaeuser Fa Verfahren zum Strangpressen von Hohlkoerpern aus thermoplastischem Kunststoff
US3108851A (en) * 1958-11-10 1963-10-29 Union Carbide Corp Method of biaxially stretching thermoplastic material
US3098831A (en) * 1959-05-01 1963-07-23 Us Rubber Co Expanded polyethylene and method of making the same
US3055048A (en) * 1959-11-12 1962-09-25 American Viscose Corp Simultaneous blaxial stretching of film with a tenter frame
US3231651A (en) * 1961-01-03 1966-01-25 Dow Chemical Co Plastic film windup apparatus
US3137745A (en) * 1962-10-15 1964-06-16 Hercules Powder Co Ltd Method of forming hollow plastic articles
US3118161A (en) * 1963-03-13 1964-01-21 E B & A C Whiting Company Foamed polypropylene filaments
GB1050164A (enExample) * 1963-08-30
GB1068791A (en) * 1964-02-27 1967-05-17 Toyo Rayon Co Ltd Process for producing foamed olefine polymers in sheet form
US3426111A (en) * 1964-10-19 1969-02-04 Dow Chemical Co Method and apparatus for the production of foam plastic sheet
US3387328A (en) * 1965-07-29 1968-06-11 Thomas W. Winstead Extrusion apparatus
US3470119A (en) * 1967-02-27 1969-09-30 Grace W R & Co Process for preparing a foamed crosslinked ethylene polymer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2169841A (en) * 1985-01-11 1986-07-23 Thermo Plastic Res Co Ltd Process of stretching tubular nets or plates made of extruded plastic material according to one or two directions at right angles to each other and equipment for carrying out the same
US5087185A (en) * 1988-09-08 1992-02-11 Kyowa Leather Cloth Co., Ltd. Apparatus for taking off thermoplastic synthetic resin sheet

Also Published As

Publication number Publication date
FR2064640A5 (enExample) 1971-07-23
DE1947589B2 (de) 1973-01-18
US3711584A (en) 1973-01-16
CH505681A (de) 1971-04-15
NL7013706A (enExample) 1971-03-18
DE1947589A1 (de) 1971-04-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years