IT7825633A0 - Dispositivo di tenuta per macchinedi estrusione e mescolamento dimateriali plastici. - Google Patents

Dispositivo di tenuta per macchinedi estrusione e mescolamento dimateriali plastici.

Info

Publication number
IT7825633A0
IT7825633A0 IT7825633A IT2563378A IT7825633A0 IT 7825633 A0 IT7825633 A0 IT 7825633A0 IT 7825633 A IT7825633 A IT 7825633A IT 2563378 A IT2563378 A IT 2563378A IT 7825633 A0 IT7825633 A0 IT 7825633A0
Authority
IT
Italy
Prior art keywords
extrusion
sealing device
plastic materials
mixing machines
machines
Prior art date
Application number
IT7825633A
Other languages
English (en)
Other versions
IT1097153B (it
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 IT7825633A0 publication Critical patent/IT7825633A0/it
Application granted granted Critical
Publication of IT1097153B publication Critical patent/IT1097153B/it

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
    • B29C48/68—Barrels or cylinders
    • 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
    • B29C48/254—Sealing 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
    • 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
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/445—Coaxially arranged screws, i.e. one within the other
    • 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
    • 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
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • 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
    • B29C48/535—Screws with thread pitch varying along the longitudinal axis
    • 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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Sealing Devices (AREA)
IT25633/78A 1977-07-13 1978-07-13 Dispositivo di tenuta per macchine di estrusione e mescolamento di materiali flastici IT1097153B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/815,367 US4117549A (en) 1977-07-13 1977-07-13 Extruder seal

Publications (2)

Publication Number Publication Date
IT7825633A0 true IT7825633A0 (it) 1978-07-13
IT1097153B IT1097153B (it) 1985-08-26

Family

ID=25217581

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25633/78A IT1097153B (it) 1977-07-13 1978-07-13 Dispositivo di tenuta per macchine di estrusione e mescolamento di materiali flastici

Country Status (17)

Country Link
US (1) US4117549A (it)
JP (1) JPS5418866A (it)
AU (1) AU522074B2 (it)
BE (1) BE868799A (it)
BR (1) BR7804150A (it)
CA (1) CA1099876A (it)
DD (1) DD137424A5 (it)
DE (1) DE2830026A1 (it)
ES (1) ES472012A1 (it)
FR (1) FR2397282A1 (it)
GB (1) GB2001004B (it)
IT (1) IT1097153B (it)
LU (1) LU79956A1 (it)
MX (1) MX146276A (it)
NL (1) NL7807398A (it)
SE (1) SE421187B (it)
SU (1) SU931095A3 (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0280562U (it) * 1988-12-12 1990-06-21
JPH02102372U (it) * 1989-02-01 1990-08-15
JPH02105857U (it) * 1989-02-06 1990-08-22
US5783122A (en) * 1996-08-14 1998-07-21 Owens Corning Fiberglas Technology, Inc. Vacuum extrusion apparatus and method
KR101462431B1 (ko) * 2006-08-15 2014-11-17 에코신테틱스 리미티드 바이오폴리머 나노입자를 생산하기 위한 공정

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB897293A (en) * 1960-10-14 1962-05-23 Pullman Inc Long travel hydraulic cushion device
GB946386A (en) * 1962-06-25 1964-01-15 James Garvey Improvements in or relating to screw extruders
DE2042973A1 (en) * 1970-08-29 1972-03-02 Krupp Gmbh Built up extruder housing - of rigid sleeve barrel separate flanges and outer casing
NL7501854A (nl) * 1974-04-18 1975-10-21 Berstorff Gmbh Masch Hermann Inrichting voor het afdichtend verbinden van twee cilindermanteldelen voor een transport- worm.
DE7413427U (de) * 1974-04-18 1977-05-26 Draegerwerk Ag, 2400 Luebeck Reinigungs- und desinfektionseinrichtung fuer atemschutzmasken
DE2423785C2 (de) * 1974-05-16 1980-06-12 Werner & Pfleiderer, 7000 Stuttgart Verschleißeinsatz für das Schneckengehäuse einer Doppelschneckenstrangpresse oder -Spritzgießmaschine
US4032115A (en) * 1976-06-21 1977-06-28 Exxon Research And Engineering Company Device for mixing components which form a plastic

Also Published As

Publication number Publication date
SE7807765L (sv) 1979-01-14
US4117549A (en) 1978-09-26
BE868799A (fr) 1978-11-03
FR2397282A1 (fr) 1979-02-09
JPS5418866A (en) 1979-02-13
ES472012A1 (es) 1979-02-01
IT1097153B (it) 1985-08-26
CA1099876A (en) 1981-04-28
GB2001004A (en) 1979-01-24
SU931095A3 (ru) 1982-05-23
LU79956A1 (it) 1978-12-12
NL7807398A (nl) 1979-01-16
FR2397282B1 (it) 1983-11-18
GB2001004B (en) 1982-02-17
AU3793578A (en) 1980-01-17
MX146276A (es) 1982-06-02
DE2830026A1 (de) 1979-02-01
SE421187B (sv) 1981-12-07
AU522074B2 (en) 1982-05-13
BR7804150A (pt) 1979-03-06
JPS613245B2 (it) 1986-01-31
DD137424A5 (de) 1979-09-05

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