FR2270090A1 - Machining tyre tread moulds by spark erosion - for modifying moulds without causing adjacent damage - Google Patents

Machining tyre tread moulds by spark erosion - for modifying moulds without causing adjacent damage

Info

Publication number
FR2270090A1
FR2270090A1 FR7514368A FR7514368A FR2270090A1 FR 2270090 A1 FR2270090 A1 FR 2270090A1 FR 7514368 A FR7514368 A FR 7514368A FR 7514368 A FR7514368 A FR 7514368A FR 2270090 A1 FR2270090 A1 FR 2270090A1
Authority
FR
France
Prior art keywords
moulds
machining
mould
spark erosion
modifying
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.)
Granted
Application number
FR7514368A
Other languages
English (en)
French (fr)
Other versions
FR2270090B3 (cg-RX-API-DMAC10.html
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.)
Continental AG
Original Assignee
Continental Gummi Werke 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 Continental Gummi Werke AG filed Critical Continental Gummi Werke AG
Publication of FR2270090A1 publication Critical patent/FR2270090A1/fr
Application granted granted Critical
Publication of FR2270090B3 publication Critical patent/FR2270090B3/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
    • B29D30/0606—Vulcanising moulds not integral with vulcanising presses
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
FR7514368A 1974-05-07 1975-05-07 Machining tyre tread moulds by spark erosion - for modifying moulds without causing adjacent damage Granted FR2270090A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742421979 DE2421979A1 (de) 1974-05-07 1974-05-07 Verfahren zum herstellen von vulkanisierformen fuer fahrzeug-luftreifen

Publications (2)

Publication Number Publication Date
FR2270090A1 true FR2270090A1 (en) 1975-12-05
FR2270090B3 FR2270090B3 (cg-RX-API-DMAC10.html) 1978-11-17

Family

ID=5914844

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7514368A Granted FR2270090A1 (en) 1974-05-07 1975-05-07 Machining tyre tread moulds by spark erosion - for modifying moulds without causing adjacent damage

Country Status (3)

Country Link
BE (1) BE828500A (cg-RX-API-DMAC10.html)
DE (1) DE2421979A1 (cg-RX-API-DMAC10.html)
FR (1) FR2270090A1 (cg-RX-API-DMAC10.html)

Also Published As

Publication number Publication date
BE828500A (fr) 1975-08-18
DE2421979A1 (de) 1975-12-18
FR2270090B3 (cg-RX-API-DMAC10.html) 1978-11-17

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Legal Events

Date Code Title Description
ST Notification of lapse