FR930441A - Procédé d'obtention de pièces de forme en partant de plaques de matières thermo-plastiques - Google Patents

Procédé d'obtention de pièces de forme en partant de plaques de matières thermo-plastiques

Info

Publication number
FR930441A
FR930441A FR930441DA FR930441A FR 930441 A FR930441 A FR 930441A FR 930441D A FR930441D A FR 930441DA FR 930441 A FR930441 A FR 930441A
Authority
FR
France
Prior art keywords
plates
thermoplastic materials
shaped parts
parts starting
obtaining shaped
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
Other languages
English (en)
French (fr)
Inventor
Rene Berthillier
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 filed Critical
Application granted granted Critical
Publication of FR930441A publication Critical patent/FR930441A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/14—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/12—Dielectric heating
    • 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
    • B29C51/42—Heating or cooling
    • 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
    • B29C51/42—Heating or cooling
    • B29C51/428—Heating or cooling of moulds or mould parts
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Emergency Protection Circuit Devices (AREA)
FR930441D 1945-07-31 1946-07-10 Procédé d'obtention de pièces de forme en partant de plaques de matières thermo-plastiques Expired FR930441A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE259224X 1945-07-31

Publications (1)

Publication Number Publication Date
FR930441A true FR930441A (fr) 1948-01-26

Family

ID=20306386

Family Applications (1)

Application Number Title Priority Date Filing Date
FR930441D Expired FR930441A (fr) 1945-07-31 1946-07-10 Procédé d'obtention de pièces de forme en partant de plaques de matières thermo-plastiques

Country Status (5)

Country Link
BE (1) BE466734A (en:Method)
CH (1) CH259224A (en:Method)
DE (1) DE933879C (en:Method)
FR (1) FR930441A (en:Method)
GB (1) GB613665A (en:Method)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL61773C (en:Method) * 1938-05-27
DE767058C (de) * 1938-05-27 1951-08-16 Brown Ag Druckgasschalter
DE726441C (de) * 1940-06-08 1942-10-14 Bbc Brown Boveri & Cie Schalter mit Mehrfachunterbrechung

Also Published As

Publication number Publication date
CH259224A (de) 1949-01-15
GB613665A (en) 1948-12-01
DE933879C (de) 1955-10-06
BE466734A (en:Method)

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