GB1385952A - Press dies - Google Patents

Press dies

Info

Publication number
GB1385952A
GB1385952A GB1885872A GB1885872A GB1385952A GB 1385952 A GB1385952 A GB 1385952A GB 1885872 A GB1885872 A GB 1885872A GB 1885872 A GB1885872 A GB 1885872A GB 1385952 A GB1385952 A GB 1385952A
Authority
GB
United Kingdom
Prior art keywords
press
april
press dies
annular channel
dies
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
GB1885872A
Other languages
English (en)
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.)
TOLLEX HAMA AB
Original Assignee
TOLLEX HAMA AB
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 TOLLEX HAMA AB filed Critical TOLLEX HAMA AB
Publication of GB1385952A publication Critical patent/GB1385952A/en
Expired legal-status Critical Current

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)
GB1885872A 1971-04-27 1972-04-24 Press dies Expired GB1385952A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1385952A true GB1385952A (en) 1975-03-05

Family

ID=20266468

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1885872A Expired GB1385952A (en) 1971-04-27 1972-04-24 Press dies

Country Status (4)

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

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
BE782734A (fr) 1972-08-16
FR2134601B1 (enExample) 1976-08-06
FR2134601A1 (enExample) 1972-12-08
NL7205635A (enExample) 1972-10-31

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee