CH470954A - A method of producing a hemispherically shaped plastic article - Google Patents

A method of producing a hemispherically shaped plastic article

Info

Publication number
CH470954A
CH470954A CH415167A CH415167A CH470954A CH 470954 A CH470954 A CH 470954A CH 415167 A CH415167 A CH 415167A CH 415167 A CH415167 A CH 415167A CH 470954 A CH470954 A CH 470954A
Authority
CH
Switzerland
Prior art keywords
producing
shaped plastic
plastic article
hemispherically shaped
hemispherically
Prior art date
Application number
CH415167A
Other languages
French (fr)
Inventor
Jones-Hinton James
Original Assignee
Dunlop Co 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 Dunlop Co Ltd filed Critical Dunlop Co Ltd
Publication of CH470954A publication Critical patent/CH470954A/en

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
    • B29C51/04—Combined thermoforming and prestretching, e.g. biaxial stretching
    • B29C51/06—Combined thermoforming and prestretching, e.g. biaxial stretching using pressure difference for prestretching
    • 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
    • B29C51/10—Forming by pressure difference, e.g. vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
CH415167A 1966-03-22 1967-03-22 A method of producing a hemispherically shaped plastic article CH470954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1245566A GB1170245A (en) 1966-03-22 1966-03-22 Method for the Manufacture of Hemispherically-Shaped Articles from Sheet Material.

Publications (1)

Publication Number Publication Date
CH470954A true CH470954A (en) 1969-04-15

Family

ID=10004925

Family Applications (1)

Application Number Title Priority Date Filing Date
CH415167A CH470954A (en) 1966-03-22 1967-03-22 A method of producing a hemispherically shaped plastic article

Country Status (3)

Country Link
CH (1) CH470954A (en)
FR (1) FR1553694A (en)
GB (1) GB1170245A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2656071C3 (en) * 1976-12-10 1982-12-30 Multivac Sepp Haggenmüller KG, 8941 Wolfertschwenden Method and device for shaping plastic film into containers open on one side with a bottom edge
CN1058659C (en) * 1997-05-19 2000-11-22 钱嘉禾 Production process of soft inflated balloon with printed pattern and its special equipment
US20030224623A1 (en) * 2002-05-31 2003-12-04 Tohoku Pioneer Corporation Insulating resin film and method of forming fine patterns of insulating resin film
JP5730594B2 (en) * 2011-01-28 2015-06-10 カルソニックカンセイ株式会社 Vacuum forming method
WO2015021138A1 (en) * 2013-08-06 2015-02-12 Celanese International Corporation Cellulose acetate table tennis balls and processes for making

Also Published As

Publication number Publication date
GB1170245A (en) 1969-11-12
FR1553694A (en) 1969-01-17

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Legal Events

Date Code Title Description
PL Patent ceased