GB1407564A - Foamed plastic sheet material - Google Patents

Foamed plastic sheet material

Info

Publication number
GB1407564A
GB1407564A GB1983973A GB1983973A GB1407564A GB 1407564 A GB1407564 A GB 1407564A GB 1983973 A GB1983973 A GB 1983973A GB 1983973 A GB1983973 A GB 1983973A GB 1407564 A GB1407564 A GB 1407564A
Authority
GB
United Kingdom
Prior art keywords
sheet
particles
mould
density
compressed
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
GB1983973A
Other languages
English (en)
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.)
Koelsch L M
Original Assignee
Koelsch L M
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 Koelsch L M filed Critical Koelsch L M
Publication of GB1407564A publication Critical patent/GB1407564A/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
    • B29C44/34—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
    • B29C44/10—Applying counter-pressure during expanding
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/34—Moulds or cores; Details thereof or accessories therefor movable, e.g. to or from the moulding station
    • B29C33/36—Moulds or cores; Details thereof or accessories therefor movable, e.g. to or from the moulding station continuously movable in one direction, e.g. in a closed circuit
    • 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
    • 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.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/24992—Density or compression of components

Landscapes

  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)
  • Molding Of Porous Articles (AREA)
GB1983973A 1972-05-10 1973-04-26 Foamed plastic sheet material Expired GB1407564A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US251944A US3889032A (en) 1972-05-10 1972-05-10 Foamed plastic sheet material and system for its manufacture

Publications (1)

Publication Number Publication Date
GB1407564A true GB1407564A (en) 1975-09-24

Family

ID=22954033

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1983973A Expired GB1407564A (en) 1972-05-10 1973-04-26 Foamed plastic sheet material

Country Status (5)

Country Link
US (1) US3889032A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS4955767A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2323125A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2184113B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1407564A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2187996A (en) * 1986-02-27 1987-09-23 Trondex Ltd Process for producing shaped products

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992501A (en) * 1973-06-20 1976-11-16 Basf Aktiengesellschaft Process for the manufacture of void-free polyolefin foam moldings
DE2952172C2 (de) * 1979-12-22 1982-03-11 Fa. Carl Freudenberg, 6940 Weinheim Pelotte
FR2477824A1 (fr) * 1980-03-07 1981-09-11 Spiteri Ernest Perfectionnements apportes aux haut-parleurs electrodynamiques a membrane plane en polystyrene expanse
US4980936A (en) * 1986-09-05 1991-01-01 Frickland Peter O Closed cell foam ground pad and methods for making same
USD303466S (en) 1986-09-05 1989-09-19 Cascade Designs, Inc. Body support pad
US5797779A (en) * 1996-02-08 1998-08-25 Stewart; Michael A. Bodyboard with differentiated topskin
US6413572B1 (en) 1999-08-24 2002-07-02 Michael Foods, Inc. Enhanced precooked egg product and process for formulation of precooked egg products
JP4819987B2 (ja) * 2000-04-05 2011-11-24 本田技研工業株式会社 積層樹脂成形品およびその製造方法
WO2004100652A2 (en) * 2003-05-12 2004-11-25 Bryan Fung Chew-resistant pet bed
US7001318B2 (en) * 2004-05-05 2006-02-21 Hsu Tang Su-Tuan Colorful exercise mat with totem patterns
US9702146B2 (en) * 2011-05-13 2017-07-11 3Form, Llc Architectural panels including elongated thermoplastic members
CN117621346B (zh) * 2024-01-25 2024-04-09 合肥荣丰包装制品有限公司 一种eps泡沫板生产成型用蒸汽定型装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3007203A (en) * 1958-09-23 1961-11-07 Walter D Ammons Method of molding a foam plastic article having a skin on its outer surfaces
US2958905A (en) * 1959-02-05 1960-11-08 Dow Chemical Co Method of fabricating expandable thermoplastic resinous material
US3082483A (en) * 1960-02-29 1963-03-26 Gilman Brothers Co Method for producing a flexible, resilient, low density web of cellular plastic
DE1629316C3 (de) * 1966-12-16 1979-07-26 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Schaumstoff-Formkörpem aus Äthylenpolymerisaten
US3616161A (en) * 1967-06-30 1971-10-26 Bayer Ag Textile and paper like material
US3651180A (en) * 1968-08-08 1972-03-21 Foam Forms Inc Method of molding expandable polystyrene particles using an inflatable core in the mold cavity

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2187996A (en) * 1986-02-27 1987-09-23 Trondex Ltd Process for producing shaped products
GB2187996B (en) * 1986-02-27 1989-11-08 Trondex Ltd Process for producing shaped products

Also Published As

Publication number Publication date
FR2184113B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-02-11
JPS4955767A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-05-30
US3889032A (en) 1975-06-10
FR2184113A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-12-21
DE2323125A1 (de) 1973-11-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees