FR1341244A - Improvements in the manufacture of molded objects from thermoplastic materials - Google Patents

Improvements in the manufacture of molded objects from thermoplastic materials

Info

Publication number
FR1341244A
FR1341244A FR918630A FR918630A FR1341244A FR 1341244 A FR1341244 A FR 1341244A FR 918630 A FR918630 A FR 918630A FR 918630 A FR918630 A FR 918630A FR 1341244 A FR1341244 A FR 1341244A
Authority
FR
France
Prior art keywords
manufacture
thermoplastic materials
molded objects
molded
objects
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
FR918630A
Other languages
French (fr)
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.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst AG
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
Priority claimed from DEF35555A external-priority patent/DE1195040B/en
Application filed by Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG
Priority to FR918630A priority Critical patent/FR1341244A/en
Application granted granted Critical
Publication of FR1341244A publication Critical patent/FR1341244A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • 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
    • B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
FR918630A 1961-12-14 1962-12-14 Improvements in the manufacture of molded objects from thermoplastic materials Expired FR1341244A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR918630A FR1341244A (en) 1961-12-14 1962-12-14 Improvements in the manufacture of molded objects from thermoplastic materials

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEF35555A DE1195040B (en) 1961-12-14 1961-12-14 Process for the production of thick injection molded parts without sink marks and large cavities from thermoplastics
FR918630A FR1341244A (en) 1961-12-14 1962-12-14 Improvements in the manufacture of molded objects from thermoplastic materials

Publications (1)

Publication Number Publication Date
FR1341244A true FR1341244A (en) 1963-10-25

Family

ID=25975174

Family Applications (1)

Application Number Title Priority Date Filing Date
FR918630A Expired FR1341244A (en) 1961-12-14 1962-12-14 Improvements in the manufacture of molded objects from thermoplastic materials

Country Status (1)

Country Link
FR (1) FR1341244A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0136920A2 (en) * 1983-10-04 1985-04-10 Constantine Demosthenes Armeniades Expandable polymer concrete
EP0341310A1 (en) * 1987-07-21 1989-11-15 Sumitomo Heavy Industries, Ltd Injection molding method
US4931490A (en) * 1983-10-04 1990-06-05 Armeniades C D Expandable polymer concretes and mortars utilizing low cure temperature polymers

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0136920A2 (en) * 1983-10-04 1985-04-10 Constantine Demosthenes Armeniades Expandable polymer concrete
EP0136920A3 (en) * 1983-10-04 1986-05-14 Constantine Demosthenes Armeniades Expandable polymer concrete
US4931490A (en) * 1983-10-04 1990-06-05 Armeniades C D Expandable polymer concretes and mortars utilizing low cure temperature polymers
EP0341310A1 (en) * 1987-07-21 1989-11-15 Sumitomo Heavy Industries, Ltd Injection molding method
EP0341310A4 (en) * 1987-07-21 1991-10-23 Sumitomo Heavy Industries, Ltd Injection molding method

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