GB1234182A - - Google Patents

Info

Publication number
GB1234182A
GB1234182A GB2830667A GB1234182DA GB1234182A GB 1234182 A GB1234182 A GB 1234182A GB 2830667 A GB2830667 A GB 2830667A GB 1234182D A GB1234182D A GB 1234182DA GB 1234182 A GB1234182 A GB 1234182A
Authority
GB
United Kingdom
Prior art keywords
mandrel
passageway
june
channels
orifice
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
GB2830667A
Other languages
English (en)
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
Publication of GB1234182A publication Critical patent/GB1234182A/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
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB2830667A 1967-06-20 1967-06-20 Expired GB1234182A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2830667 1967-06-20

Publications (1)

Publication Number Publication Date
GB1234182A true GB1234182A (enExample) 1971-06-03

Family

ID=10273548

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2830667A Expired GB1234182A (enExample) 1967-06-20 1967-06-20

Country Status (1)

Country Link
GB (1) GB1234182A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2318542A (en) * 1996-10-25 1998-04-29 Menza Ltd A method of blow-moulding
EP0838322A3 (en) * 1996-10-25 1999-08-11 Menza Limited A method of and apparatus for blow-moulding

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2318542A (en) * 1996-10-25 1998-04-29 Menza Ltd A method of blow-moulding
US5935493A (en) * 1996-10-25 1999-08-10 Menza Limited Method for blow-moulding
EP0838322A3 (en) * 1996-10-25 1999-08-11 Menza Limited A method of and apparatus for blow-moulding
GB2318542B (en) * 1996-10-25 1999-12-15 Menza Ltd A method of and apparatus for blow-moulding

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees