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CA904518A - Process for the manufacture of moulded articles - Google Patents

Process for the manufacture of moulded articles

Info

Publication number
CA904518A
CA904518A CA904518A CA904518DA CA904518A CA 904518 A CA904518 A CA 904518A CA 904518 A CA904518 A CA 904518A CA 904518D A CA904518D A CA 904518DA CA 904518 A CA904518 A CA 904518A
Authority
CA
Canada
Prior art keywords
manufacture
moulded articles
moulded
articles
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
CA904518A
Inventor
F. Tull Russell
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.)
TRADITIONAL HOLDINGS Ltd
Original Assignee
TRADITIONAL HOLDINGS 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 TRADITIONAL HOLDINGS Ltd filed Critical TRADITIONAL HOLDINGS Ltd
Application granted granted Critical
Publication of CA904518A publication Critical patent/CA904518A/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
    • B29C44/02—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
    • B29C44/0407—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 regulating the temperature of the mould or parts thereof, e.g. cold mould walls inhibiting foaming of an outer layer
    • 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
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
    • B44C3/04—Modelling plastic materials, e.g. clay
    • B44C3/046—Modelling plastic materials, e.g. clay using a modelling surface, e.g. plate
    • 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
    • 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
    • B29K2025/00—Use of polymers of vinyl-aromatic compounds 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
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B29K2105/045—Condition, form or state of moulded material or of the material to be shaped cellular or porous with open cells

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
CA904518A 1966-11-19 1968-01-31 Process for the manufacture of moulded articles Expired CA904518A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59551366A 1966-11-19 1966-11-19

Publications (1)

Publication Number Publication Date
CA904518A true CA904518A (en) 1972-07-11

Family

ID=24383531

Family Applications (1)

Application Number Title Priority Date Filing Date
CA904518A Expired CA904518A (en) 1966-11-19 1968-01-31 Process for the manufacture of moulded articles

Country Status (1)

Country Link
CA (1) CA904518A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201742A (en) * 1976-07-09 1980-05-06 Ex-Cell-O Corporation Method and apparatus for injection molding foamed resin products having a smooth finish on their surface
WO1981000535A1 (en) * 1979-08-24 1981-03-05 Ex Cell O Corp Method and apparatus for injection molding foamed resin parts with a smooth finish
US5965169A (en) * 1996-10-24 1999-10-12 Bridgestone Corporation Mold for making synthetic resin molded foam and molding process using the same
GB2357992A (en) * 1999-10-08 2001-07-11 Thorstone Business Man Ltd Foam laminates

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201742A (en) * 1976-07-09 1980-05-06 Ex-Cell-O Corporation Method and apparatus for injection molding foamed resin products having a smooth finish on their surface
WO1981000535A1 (en) * 1979-08-24 1981-03-05 Ex Cell O Corp Method and apparatus for injection molding foamed resin parts with a smooth finish
US5965169A (en) * 1996-10-24 1999-10-12 Bridgestone Corporation Mold for making synthetic resin molded foam and molding process using the same
GB2357992A (en) * 1999-10-08 2001-07-11 Thorstone Business Man Ltd Foam laminates
GB2357992B (en) * 1999-10-08 2003-10-29 Thorstone Business Man Ltd Glass-faced architectural panels
US7112364B1 (en) 1999-10-08 2006-09-26 Thorstone Business Management Limited Foam laminates

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