BE782734A - IMPROVEMENTS RELATING TO MATRICES OF - Google Patents

IMPROVEMENTS RELATING TO MATRICES OF

Info

Publication number
BE782734A
BE782734A BE782734A BE782734A BE782734A BE 782734 A BE782734 A BE 782734A BE 782734 A BE782734 A BE 782734A BE 782734 A BE782734 A BE 782734A BE 782734 A BE782734 A BE 782734A
Authority
BE
Belgium
Prior art keywords
matrices
improvements relating
relating
Prior art date
Application number
BE782734A
Other languages
French (fr)
Original Assignee
Toolex Hama A B
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 Toolex Hama A B filed Critical Toolex Hama A B
Publication of BE782734A publication Critical patent/BE782734A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06—Platens or press rams
    • B30B15/062—Press plates
    • B30B15/064—Press plates with heating or cooling means
    • 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
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
    • 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
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
    • B29C33/048—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam using steam
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2017/00—Carriers for sound or information
    • B29L2017/001—Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
    • B29L2017/003—Records or discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
BE782734A 1971-04-27 1972-04-27 IMPROVEMENTS RELATING TO MATRICES OF BE782734A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE543871 1971-04-27

Publications (1)

Publication Number Publication Date
BE782734A true BE782734A (en) 1972-08-16

Family

ID=20266468

Family Applications (1)

Application Number Title Priority Date Filing Date
BE782734A BE782734A (en) 1971-04-27 1972-04-27 IMPROVEMENTS RELATING TO MATRICES OF

Country Status (4)

Country Link
BE (1) BE782734A (en)
FR (1) FR2134601B1 (en)
GB (1) GB1385952A (en)
NL (1) NL7205635A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1437175A (en) * 1972-06-28 1976-05-26 Emi Elecrrola Gmbh Record presses
US4245811A (en) * 1978-06-06 1981-01-20 Messerschmitt-Bolkow-Blohm Gesellschaft Mit Beschrankter Haftung Press mould half, more especially for producing records

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1582704A (en) * 1923-09-08 1926-04-27 Scranton Button Company Die for phonograph records
US2458427A (en) * 1946-12-19 1949-01-04 Edward E Russell Method of manufacturing record dies
GB939315A (en) * 1959-04-10 1963-10-09 Teldec Telefunken Decca A die for gramophone records
US3181200A (en) * 1962-12-19 1965-05-04 Metro Goldwyn Mayer Inc Heating and cooling means for flat phonograph record die

Also Published As

Publication number Publication date
NL7205635A (en) 1972-10-31
FR2134601B1 (en) 1976-08-06
FR2134601A1 (en) 1972-12-08
GB1385952A (en) 1975-03-05

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: TOOLEX HAMA A.B.

Effective date: 19850427