GB2166999B - Apparatus for moulding a pre-form - Google Patents

Apparatus for moulding a pre-form

Info

Publication number
GB2166999B
GB2166999B GB8428969A GB8428969A GB2166999B GB 2166999 B GB2166999 B GB 2166999B GB 8428969 A GB8428969 A GB 8428969A GB 8428969 A GB8428969 A GB 8428969A GB 2166999 B GB2166999 B GB 2166999B
Authority
GB
United Kingdom
Prior art keywords
moulding
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
GB8428969A
Other versions
GB2166999A (en
GB8428969D0 (en
Inventor
Michael Peter Paul Miller
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.)
Thorn EMI PLC
Original Assignee
Thorn EMI PLC
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 Thorn EMI PLC filed Critical Thorn EMI PLC
Priority to GB8428969A priority Critical patent/GB2166999B/en
Publication of GB8428969D0 publication Critical patent/GB8428969D0/en
Publication of GB2166999A publication Critical patent/GB2166999A/en
Application granted granted Critical
Publication of GB2166999B publication Critical patent/GB2166999B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/06—Making preforms by moulding the material
    • 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
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/34—Feeding the material to the mould or the compression means
    • 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)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
GB8428969A 1984-11-16 1984-11-16 Apparatus for moulding a pre-form Expired GB2166999B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8428969A GB2166999B (en) 1984-11-16 1984-11-16 Apparatus for moulding a pre-form

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8428969A GB2166999B (en) 1984-11-16 1984-11-16 Apparatus for moulding a pre-form

Publications (3)

Publication Number Publication Date
GB8428969D0 GB8428969D0 (en) 1984-12-27
GB2166999A GB2166999A (en) 1986-05-21
GB2166999B true GB2166999B (en) 1989-05-17

Family

ID=10569820

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8428969A Expired GB2166999B (en) 1984-11-16 1984-11-16 Apparatus for moulding a pre-form

Country Status (1)

Country Link
GB (1) GB2166999B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7261546B1 (en) 2006-05-10 2007-08-28 Owens-Illinois Closure Inc. Apparatus for severing mold charges in a compression molding machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2048158A (en) * 1979-04-30 1980-12-10 Rca Corp Apparatus and method for molding a preform
GB2065544A (en) * 1979-12-11 1981-07-01 Rca Corp Apparatus for injection moulding a preform
GB2096940A (en) * 1981-04-10 1982-10-27 Victor Company Of Japan Manufacturing information storage mediums such as video discs and digital audio discs
GB2113602A (en) * 1982-01-26 1983-08-10 Rca Corp Method of making a laminated recorded disc

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2048158A (en) * 1979-04-30 1980-12-10 Rca Corp Apparatus and method for molding a preform
GB2065544A (en) * 1979-12-11 1981-07-01 Rca Corp Apparatus for injection moulding a preform
GB2096940A (en) * 1981-04-10 1982-10-27 Victor Company Of Japan Manufacturing information storage mediums such as video discs and digital audio discs
GB2113602A (en) * 1982-01-26 1983-08-10 Rca Corp Method of making a laminated recorded disc

Also Published As

Publication number Publication date
GB2166999A (en) 1986-05-21
GB8428969D0 (en) 1984-12-27

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Legal Events

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