FR2185484A1 - Screw processer for plastics - with alt increasing and decreasing cross sections of helical grooves - Google Patents

Screw processer for plastics - with alt increasing and decreasing cross sections of helical grooves

Info

Publication number
FR2185484A1
FR2185484A1 FR7318884A FR7318884A FR2185484A1 FR 2185484 A1 FR2185484 A1 FR 2185484A1 FR 7318884 A FR7318884 A FR 7318884A FR 7318884 A FR7318884 A FR 7318884A FR 2185484 A1 FR2185484 A1 FR 2185484A1
Authority
FR
France
Prior art keywords
screw
plastics
increasing
helical grooves
processer
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.)
Granted
Application number
FR7318884A
Other languages
English (en)
French (fr)
Other versions
FR2185484B3 (enrdf_load_html_response
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.)
USM Corp
Original Assignee
USM Corp
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 USM Corp filed Critical USM Corp
Publication of FR2185484A1 publication Critical patent/FR2185484A1/fr
Application granted granted Critical
Publication of FR2185484B3 publication Critical patent/FR2185484B3/fr
Granted 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/62—Screws characterised by the shape of the thread channel, e.g. U-shaped
    • 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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
FR7318884A 1972-05-25 1973-05-24 Screw processer for plastics - with alt increasing and decreasing cross sections of helical grooves Granted FR2185484A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2456572 1972-05-25

Publications (2)

Publication Number Publication Date
FR2185484A1 true FR2185484A1 (en) 1974-01-04
FR2185484B3 FR2185484B3 (enrdf_load_html_response) 1976-05-14

Family

ID=10213637

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7318884A Granted FR2185484A1 (en) 1972-05-25 1973-05-24 Screw processer for plastics - with alt increasing and decreasing cross sections of helical grooves

Country Status (4)

Country Link
JP (1) JPS4950059A (enrdf_load_html_response)
DE (1) DE2326858A1 (enrdf_load_html_response)
FR (1) FR2185484A1 (enrdf_load_html_response)
IT (1) IT990578B (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10532490B2 (en) * 2016-04-06 2020-01-14 Davis-Standard, Llc Plasticating apparatus screw having grooves of varying angles and depths

Also Published As

Publication number Publication date
DE2326858A1 (de) 1973-12-06
FR2185484B3 (enrdf_load_html_response) 1976-05-14
IT990578B (it) 1975-07-10
JPS4950059A (enrdf_load_html_response) 1974-05-15

Similar Documents

Publication Publication Date Title
GB1422731A (en) Screw extruder for synthetic plastics material
GB1481547A (en) Ball-equipped screw and nut mechanism
GB1363914A (en) Extruder apparatus and accumulator
CA1031915A (en) Extrusion screw with continuous flights intersected by rows of radial pins
ES194284U (es) Un tornillo autosujetador.
GB1449593A (en) Extrusion apparatus
GB861145A (en) Screw presses for extruding plastic materials
ES319226A1 (es) Una prensa de tornillo sin fin para la transformacion de materiales sinteticos termoplasticos.
GB1140237A (en) Improvements in or relating to screw extrusion filtering presses
FR2185484A1 (en) Screw processer for plastics - with alt increasing and decreasing cross sections of helical grooves
FR2307308A1 (fr) Dispositif d'accouplement reglable en longueur pour tringles
GB1239417A (enrdf_load_html_response)
GB1365834A (en) Extruder
GB1373090A (en) Screw-threaded components
GB1351751A (en) Screw conveyors
DE59306253D1 (de) Doppelschneckenextruder
ES161662Y (es) Manguera de material sintetico flexible con helice e hilos de refuerzo axiles.
FR2337619A1 (fr) Vis sans fin pour machine de moulage de matieres plastiques
ES195271Y (es) Prensa continua de tornillo helicoidal.
FR1527768A (fr) Perfectionnements apportés aux pompes d'injection à pistons radiaux et à avance à l'injection variable
BE792273A (fr) Perfectionnements a la production de filets en plastiques extrudes
GB1410378A (en) Drawers
GB1034643A (en) Plastics extrusion
SU399047A1 (ru) Настроечный винт
GB1182094A (en) Single-Spindle Pumps

Legal Events

Date Code Title Description
ST Notification of lapse