GB1428328A - Vented cavity mould and method of thermoforming using such mould - Google Patents

Vented cavity mould and method of thermoforming using such mould

Info

Publication number
GB1428328A
GB1428328A GB750574A GB750574A GB1428328A GB 1428328 A GB1428328 A GB 1428328A GB 750574 A GB750574 A GB 750574A GB 750574 A GB750574 A GB 750574A GB 1428328 A GB1428328 A GB 1428328A
Authority
GB
United Kingdom
Prior art keywords
mould
thermoforming
vented cavity
feb
vent
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
GB750574A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB1428328A publication Critical patent/GB1428328A/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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/30—Moulds
    • B29C51/36—Moulds specially adapted for vacuum forming, Manufacture thereof
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/30—Moulds

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
GB750574A 1973-02-20 1974-02-19 Vented cavity mould and method of thermoforming using such mould Expired GB1428328A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33353073A 1973-02-20 1973-02-20

Publications (1)

Publication Number Publication Date
GB1428328A true GB1428328A (en) 1976-03-17

Family

ID=23303180

Family Applications (1)

Application Number Title Priority Date Filing Date
GB750574A Expired GB1428328A (en) 1973-02-20 1974-02-19 Vented cavity mould and method of thermoforming using such mould

Country Status (8)

Country Link
JP (1) JPS49115160A (enrdf_load_stackoverflow)
BE (1) BE811241A (enrdf_load_stackoverflow)
DE (1) DE2408183A1 (enrdf_load_stackoverflow)
FR (1) FR2218176B1 (enrdf_load_stackoverflow)
GB (1) GB1428328A (enrdf_load_stackoverflow)
IT (1) IT1008883B (enrdf_load_stackoverflow)
LU (1) LU69425A1 (enrdf_load_stackoverflow)
NL (1) NL7402236A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5493046A (en) * 1977-12-29 1979-07-23 Nippon Dekishi Kk Plastics sheet molding part
ATE166826T1 (de) * 1991-03-27 1998-06-15 Knauer Systec Eng Gmbh Verfahren zum herstellen eines kunststoffbechers durch spritzgiessen und zugehöriges formwerkzeug
NL2009155C2 (nl) 2012-07-06 2014-01-07 Bosch Sprang Beheer B V Matrijs met verbeterde ontluchting, thermovorminrichting en werkwijze.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2282423A (en) * 1939-09-15 1942-05-12 Plax Corp Process and apparatus for forming articles from organic plastic material
US2976571A (en) * 1958-11-14 1961-03-28 Ernest P Moslo Mold venting structure
BE642610A (enrdf_load_stackoverflow) * 1959-07-02
US3142089A (en) * 1961-04-12 1964-07-28 Monsanto Chemicals Method and apparatus for finishing blow molded articles
GB1050380A (enrdf_load_stackoverflow) * 1963-09-23
FR1429853A (fr) * 1964-04-10 1966-02-25 Mono Containers Ltd Procédé de fabrication de récipients moulés, en particulier à partir de matières en feuille
FR1394552A (fr) * 1964-05-15 1965-04-02 Firestone Tire & Rubber Co Appareil de moulage
US3555619A (en) * 1967-10-17 1971-01-19 Harry R Bucy Mold for pressure injected molten material having cavity with peripheral vent

Also Published As

Publication number Publication date
BE811241A (fr) 1974-08-19
NL7402236A (enrdf_load_stackoverflow) 1974-08-22
DE2408183A1 (de) 1974-08-22
IT1008883B (it) 1976-11-30
JPS49115160A (enrdf_load_stackoverflow) 1974-11-02
FR2218176B1 (enrdf_load_stackoverflow) 1978-01-06
FR2218176A1 (enrdf_load_stackoverflow) 1974-09-13
LU69425A1 (enrdf_load_stackoverflow) 1974-09-25

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Legal Events

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