GB1050075A - - Google Patents

Info

Publication number
GB1050075A
GB1050075A GB1050075DA GB1050075A GB 1050075 A GB1050075 A GB 1050075A GB 1050075D A GB1050075D A GB 1050075DA GB 1050075 A GB1050075 A GB 1050075A
Authority
GB
United Kingdom
Prior art keywords
thread
screw
parts
interruption
overlap
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
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.)
Publication date
Publication of GB1050075A publication Critical patent/GB1050075A/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
    • B29C48/03—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

1,050,075. Compression mixers. REIFENHAUSER KOMM GES. June 16, 1965 [March 18, 1965], No. 25365/65. Heading B1C. A screw for a pug mill or extrusion machine has an interrupted thread 2 the two parts of which overlap at the interruption by an amount, measured in the direction G of the helix angle Ï, at least equal to the gap with s divided by tan Ï, so that in a projection viewed in the direction of the plane 4 normal to the axis of the screw the two thread parts meet without leaving a gap, or overlap. The overlapping parts of the thread may be parallel or slightly convergent or divergent. There may be more than one such interruption in the thread of a single start screw or in each thread of a multi-start screw.
GB1050075D 1965-09-22 Expired GB1050075A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR32193A FR1447646A (en) 1965-09-22 1965-09-22 Screw extruder

Publications (1)

Publication Number Publication Date
GB1050075A true GB1050075A (en) 1900-01-01

Family

ID=8588803

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1050075D Expired GB1050075A (en) 1965-09-22

Country Status (2)

Country Link
FR (1) FR1447646A (en)
GB (1) GB1050075A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1308262A1 (en) * 2001-10-31 2003-05-07 Krauss-Maffei Kunststofftechnik GmbH Extruder screw

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1308262A1 (en) * 2001-10-31 2003-05-07 Krauss-Maffei Kunststofftechnik GmbH Extruder screw

Also Published As

Publication number Publication date
FR1447646A (en) 1966-07-29

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