CH470954A - A method of producing a hemispherically shaped plastic article - Google Patents
A method of producing a hemispherically shaped plastic articleInfo
- 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
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)
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)
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 |
-
1966
- 1966-03-22 GB GB1245566A patent/GB1170245A/en not_active Expired
-
1967
- 1967-03-22 FR FR1553694D patent/FR1553694A/fr not_active Expired
- 1967-03-22 CH CH415167A patent/CH470954A/en not_active IP Right Cessation
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 |