GB1352225A - Process for the production of plastics mouldings - Google Patents

Process for the production of plastics mouldings

Info

Publication number
GB1352225A
GB1352225A GB2645071A GB2645071A GB1352225A GB 1352225 A GB1352225 A GB 1352225A GB 2645071 A GB2645071 A GB 2645071A GB 2645071 A GB2645071 A GB 2645071A GB 1352225 A GB1352225 A GB 1352225A
Authority
GB
United Kingdom
Prior art keywords
mould
resin composition
pressure
april
production
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
GB2645071A
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.)
Bayer AG
Original Assignee
Bayer 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
Application filed by Bayer AG filed Critical Bayer AG
Publication of GB1352225A publication Critical patent/GB1352225A/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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • 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
    • B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
    • B29C31/04—Feeding of the material to be moulded, e.g. into a mould cavity
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/40—Compensating volume change, e.g. retraction
    • B29C39/405—Compensating volume change, e.g. retraction by applying pressure to the casting composition
    • 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
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C2045/465—Means for plasticising or homogenising the moulding material or forcing it into the mould using pumps for injecting the material into 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
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/06—Unsaturated polyesters
    • 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
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • 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
    • B29L2012/00—Frames
    • B29L2012/005—Spectacle frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Robotics (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Insulators (AREA)
GB2645071A 1970-04-13 1971-04-19 Process for the production of plastics mouldings Expired GB1352225A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702017506 DE2017506B2 (de) 1970-04-13 1970-04-13 Verfahren zum herstellen von kunststofformteilen aus giessharzmassen

Publications (1)

Publication Number Publication Date
GB1352225A true GB1352225A (en) 1974-05-08

Family

ID=5767879

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2645071A Expired GB1352225A (en) 1970-04-13 1971-04-19 Process for the production of plastics mouldings

Country Status (7)

Country Link
AT (1) AT340129B (enExample)
BE (1) BE765647A (enExample)
CH (1) CH542710A (enExample)
DE (1) DE2017506B2 (enExample)
FR (1) FR2086036B1 (enExample)
GB (1) GB1352225A (enExample)
NL (1) NL7104802A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH509139A (de) * 1969-06-19 1971-06-30 Ciba Geigy Ag Verfahren zur Herstellung von gehärteten Kunststoff-Formkörpern
DE2748982C2 (de) * 1977-11-02 1987-10-01 Wilhelm Hedrich Vakuumanlagen GmbH und Co KG, 6332 Ehringshausen Anordnung zum Füllen von Gießformen mit Gießharz od.dgl. gießfähig flüssigen Medien
DE3838921A1 (de) * 1988-01-30 1989-08-10 Toyoda Gosei Kk Ansaugkruemmer und verfahren zu dessen herstellung
GB8806299D0 (en) * 1988-03-17 1988-04-13 Glynwed Consumer & Building Process of manufacturing thin-walled plastics moulding
DE19511062A1 (de) * 1995-03-25 1996-09-26 S & T Apparate Und Vorrichtung Vorrichtung zum Druckvergießen von aufschmelzbaren Kunststoffmaterialien

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT234363B (de) * 1960-11-15 1964-06-25 Plast Anstalt Verfahren und Vorrichtung zum Vergießen von härtbaren Kunststoffen
CH509139A (de) * 1969-06-19 1971-06-30 Ciba Geigy Ag Verfahren zur Herstellung von gehärteten Kunststoff-Formkörpern

Also Published As

Publication number Publication date
NL7104802A (enExample) 1971-10-15
CH542710A (de) 1973-10-15
ATA287671A (de) 1977-03-15
FR2086036A1 (enExample) 1971-12-31
AT340129B (de) 1977-11-25
BE765647A (fr) 1971-08-30
FR2086036B1 (enExample) 1975-01-17
DE2017506B2 (de) 1977-12-01
DE2017506A1 (de) 1971-10-28

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee