IT991307B - Stampaggio di materiale termoplasti co termo espansibile - Google Patents

Stampaggio di materiale termoplasti co termo espansibile

Info

Publication number
IT991307B
IT991307B IT26834/73A IT2683473A IT991307B IT 991307 B IT991307 B IT 991307B IT 26834/73 A IT26834/73 A IT 26834/73A IT 2683473 A IT2683473 A IT 2683473A IT 991307 B IT991307 B IT 991307B
Authority
IT
Italy
Prior art keywords
molding
thermoplastic material
expandable
thermo
thermo expandable
Prior art date
Application number
IT26834/73A
Other languages
English (en)
Original Assignee
Profile Expanded Plastics 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 Profile Expanded Plastics Ltd filed Critical Profile Expanded Plastics Ltd
Application granted granted Critical
Publication of IT991307B publication Critical patent/IT991307B/it

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
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • B29C44/04—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0461—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
    • B29C44/0469—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other provided with physical separators between the different materials, e.g. separating layers, mould walls
    • 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
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/58—Upholstery or cushions, e.g. vehicle upholstery or interior padding
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/771—Seats
    • 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
    • Y10S264/10—Foamed polystyrene mold filling
    • 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
    • Y10S297/00—Chairs and seats
    • Y10S297/02—Molded
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24496—Foamed or cellular component
    • Y10T428/24504—Component comprises a polymer [e.g., rubber, etc.]
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249961—With gradual property change within a component
IT26834/73A 1972-07-21 1973-07-20 Stampaggio di materiale termoplasti co termo espansibile IT991307B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3430772A GB1434353A (en) 1972-07-21 1972-07-21 Moulding of heat expandable thermoplastic material

Publications (1)

Publication Number Publication Date
IT991307B true IT991307B (it) 1975-07-30

Family

ID=10364006

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26834/73A IT991307B (it) 1972-07-21 1973-07-20 Stampaggio di materiale termoplasti co termo espansibile

Country Status (12)

Country Link
US (1) US3919370A (it)
JP (1) JPS4963756A (it)
AU (1) AU466323B2 (it)
CA (1) CA1007817A (it)
DE (1) DE2336658A1 (it)
ES (3) ES202113Y (it)
FR (1) FR2193698B3 (it)
GB (1) GB1434353A (it)
IT (1) IT991307B (it)
NL (1) NL7310150A (it)
SE (1) SE381002B (it)
ZA (1) ZA734958B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5847338B2 (ja) * 1975-03-25 1983-10-21 凸版印刷株式会社 発泡プラスチック成形物の製造方法
US4077665A (en) * 1976-04-22 1978-03-07 International Installations Plastic restaurant booth seat
US4671991A (en) * 1985-08-19 1987-06-09 Payne Leroy Molded product
JPS6313718A (ja) * 1986-07-04 1988-01-21 Nanba Press Kogyo Kk 多層異硬度発泡体の製造方法
US5252270A (en) * 1990-12-20 1993-10-12 Basf Aktiengesellschaft Method of forming foam moldings having varied density regions
US5718968A (en) * 1996-01-10 1998-02-17 Motherlode, L.L.C. Memory molded, high strength polystyrene
US7220376B2 (en) * 2003-07-28 2007-05-22 Aspen Seating, Llc Individually-contoured seat cushion and shape capturing and fabricating method for seat cushion
US8444214B2 (en) * 2011-09-06 2013-05-21 Sika Technology Ag Baffle with self-closing flap assembly
EP2822769B1 (en) * 2012-03-04 2016-09-28 Stratasys Ltd. System and method for depositing liquids

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2335385A (en) * 1942-08-07 1943-11-30 Roy H Brownlee Metal casting
US2644583A (en) * 1949-07-05 1953-07-07 Cannon Concentration and separation of granular mixtures
US2875898A (en) * 1954-09-13 1959-03-03 James Hall Carpenter Fanning ore concentrator
US2983963A (en) * 1955-07-20 1961-05-16 Electrolux Ab Method of making multidensity expanded plastic body
US2954589A (en) * 1956-03-19 1960-10-04 Kent Plastics Corp Method of molding expanded resins
NL101864C (it) * 1957-05-18 1962-06-10
US2902154A (en) * 1957-06-14 1959-09-01 Harry B Cannon Structure for a separating apparatus
US3112987A (en) * 1959-03-26 1963-12-03 Austin Motor Co Ltd Production of cushioned seats
US3088713A (en) * 1960-05-09 1963-05-07 Armstrong Cork Co Blending method
US3472379A (en) * 1967-06-12 1969-10-14 Uniroyal Inc Separation process
DE2100632B2 (de) * 1971-01-08 1974-07-25 Interstop Ag, Zug (Schweiz) Verfahren und Vorrichtung zum Gießen von flüssigen Schmelzen aus metallurgischen Behältern

Also Published As

Publication number Publication date
FR2193698B3 (it) 1976-07-09
ZA734958B (en) 1974-08-28
AU466323B2 (en) 1975-10-23
JPS4963756A (it) 1974-06-20
CA1007817A (en) 1977-04-05
GB1434353A (en) 1976-05-05
ES425064A1 (es) 1976-06-16
ES417104A1 (es) 1976-03-01
DE2336658A1 (de) 1974-01-31
ES202113U (es) 1975-10-16
AU6095473A (en) 1975-04-10
ES202113Y (es) 1976-02-16
SE381002B (sv) 1975-11-24
NL7310150A (it) 1974-01-23
US3919370A (en) 1975-11-11
FR2193698A1 (it) 1974-02-22

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