IT7830463A0 - Macchina di estrusione per lavorare materiali termoplastici. - Google Patents

Macchina di estrusione per lavorare materiali termoplastici.

Info

Publication number: IT7830463A0
Authority: IT; Italy
Prior art keywords: thermoplastic materials; extrusion machine; process thermoplastic; extrusion; machine
Prior art date: 1977-12-02

Application number

IT7830463A

Other languages

English (en)

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.)

1977-12-02

Filing date

1978-12-01

Publication date

1978-12-01

1978-12-01 Application filed by Usm Corp filed Critical Usm Corp

1978-12-01 Publication of IT7830463A0 publication Critical patent/IT7830463A0/it

Links

238000001125 extrusion Methods 0.000 title 1
238000000034 method Methods 0.000 title 1
239000012815 thermoplastic material Substances 0.000 title 1

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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/64—Screws with two or more threads
- B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
- 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
- B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
- 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
- B29C48/92—Measuring, controlling or regulating
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92571—Position, e.g. linear or angular
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
- 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
- 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
- B29C48/268—Throttling of the flow, e.g. for cooperating with plasticising elements or for degassing
- 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

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)

IT7830463A 1977-12-02 1978-12-01 Macchina di estrusione per lavorare materiali termoplastici. IT7830463A0 (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/857,181 US4152077A (en)	1977-12-02	1977-12-02	Homogenization extruder

Publications (1)

Publication Number	Publication Date
IT7830463A0 true IT7830463A0 (it)	1978-12-01

Family

ID=25325391

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT7830463A IT7830463A0 (it)	1977-12-02	1978-12-01	Macchina di estrusione per lavorare materiali termoplastici.

Country Status (14)

Country	Link
US (1)	US4152077A (it)
JP (1)	JPS5486553A (it)
AU (1)	AU4202478A (it)
BE (1)	BE872375A (it)
BR (1)	BR7807990A (it)
DD (1)	DD140223A5 (it)
DE (1)	DE2852046A1 (it)
ES (1)	ES475865A1 (it)
FR (1)	FR2410552A1 (it)
GB (1)	GB2009028B (it)
IT (1)	IT7830463A0 (it)
LU (1)	LU80604A1 (it)
NL (1)	NL7811641A (it)
SE (1)	SE7812358L (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2131342B (en) *	1982-11-26	1986-12-31	Wenger Mfg	Method and apparatus for extrusion of cellulose or fibre containing materials
US4632795A (en) *	1982-11-26	1986-12-30	Wenger Manufacturing, Inc.	Method and apparatus for extrusion processing of cellulose bearing materials
US5356208A (en) *	1993-04-07	1994-10-18	Zehev Tadmor	Screw element having shearing and scraping flights
US6017145A (en) *	1994-12-30	2000-01-25	The Dow Chemical Company	Extruder screw
ATE445489T1 (de) *	2002-11-21	2009-10-15	Andritz Sprout As	Schersteuervorrichtung für einen extruder

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1145787B (de) *	1959-03-10	1963-03-21	Kloeckner Humboldt Deutz Ag	Schneckenstrangpresse mit einem Stauabschnitt, dessen Querschnitt veraenderlich ist
US3411179A (en) *	1966-04-12	1968-11-19	Frank W Egan & Company	Extruder screw mixing section
AT307010B (de) *	1968-12-21	1973-05-10	Werner & Pfleiderer	Vorrichtung zum kontinuierlichen Kneten, Mischen und Homogenisieren plastischer Massen
US3814779A (en) *	1971-04-01	1974-06-04	Cosden Oil & Chem Co	Method of forming foamed polystyrene articles from polystyrene beads
US3867079A (en) *	1972-08-10	1975-02-18	Goodrich Co B F	Apparatus for extruding polymeric material
US3850414A (en) *	1972-12-26	1974-11-26	H Scharer	Homogenizing extruders

1977
- 1977-12-02 US US05/857,181 patent/US4152077A/en not_active Expired - Lifetime
1978
- 1978-11-27 NL NL7811641A patent/NL7811641A/xx not_active Application Discontinuation
- 1978-11-28 ES ES475865A patent/ES475865A1/es not_active Expired
- 1978-11-29 FR FR7833748A patent/FR2410552A1/fr not_active Withdrawn
- 1978-11-29 AU AU42024/78A patent/AU4202478A/en active Pending
- 1978-11-29 BE BE192019A patent/BE872375A/xx unknown
- 1978-11-30 GB GB7846694A patent/GB2009028B/en not_active Expired
- 1978-11-30 SE SE7812358A patent/SE7812358L/xx unknown
- 1978-12-01 BR BR7807990A patent/BR7807990A/pt unknown
- 1978-12-01 IT IT7830463A patent/IT7830463A0/it unknown
- 1978-12-01 JP JP14959978A patent/JPS5486553A/ja active Pending
- 1978-12-01 DD DD78209473A patent/DD140223A5/de unknown
- 1978-12-01 LU LU80604A patent/LU80604A1/xx unknown
- 1978-12-01 DE DE19782852046 patent/DE2852046A1/de not_active Withdrawn

Also Published As

Publication number	Publication date
FR2410552A1 (fr)	1979-06-29
GB2009028A (en)	1979-06-13
US4152077A (en)	1979-05-01
BE872375A (fr)	1979-03-16
DD140223A5 (de)	1980-02-20
BR7807990A (pt)	1979-07-31
JPS5486553A (en)	1979-07-10
DE2852046A1 (de)	1979-06-13
ES475865A1 (es)	1980-02-01
LU80604A1 (fr)	1979-05-16
NL7811641A (nl)	1979-06-06
GB2009028B (en)	1982-05-19
AU4202478A (en)	1979-06-07
SE7812358L (sv)	1979-06-03

Publication	Publication Date	Title
NL184166C (nl)	1989-05-01	Thermoplastisch harsprodukt.
IT1109866B (it)	1985-12-23	Miscele plastificanti per interstrati di polivinil butirrale
NL7812417A (nl)	1979-07-03	Thermoplastische vormmaterialen.
SE7800815L (sv)	1978-09-14	Plastgenomforing
IT1172883B (it)	1987-06-18	Dispositivo per la formatura di materiali mediante estrusione
SE422071B (sv)	1982-02-15	Termoplastiskt pressmaterial
NL7812411A (nl)	1979-07-03	Thermoplastische vormmaterialen.
IT1071246B (it)	1985-04-02	Dispositivo per formatura di materiali mediante estrusione
IT7821532A0 (it)	1978-03-23	Estrusore a vite per materie plastiche.
AT343345B (de)	1978-05-26	Strangpresse fur kunststoff
ATA149375A (de)	1980-11-15	Strangpresse
IT1107347B (it)	1985-11-25	Dispositivo per la formatura di materiali mediante estrusione
NO138758C (no)	1978-11-08	Soeyleekstruderingsmaskin.
NL7808277A (nl)	1979-02-13	Kunststofextrusie.
IT1041835B (it)	1980-01-10	Macchina per l estrusione di materiali plastici
IT7830463A0 (it)	1978-12-01	Macchina di estrusione per lavorare materiali termoplastici.
IT7819398A0 (it)	1978-01-18	Triazaadamantaniluree n-sostituite come stabilizzanti per materiali termoplastici.
NL7812414A (nl)	1979-07-03	Thermoplastische vormmaterialen zonder vulstof.
FR2322719A1 (fr)	1977-04-01	Machine d'extrusion
NL7901773A (nl)	1979-09-11	Extrusiemachine met rollenmatrijs.
BR8004046A (pt)	1981-01-21	Prensa extrusora aperfeicoada
BR7804150A (pt)	1979-03-06	Maquina extrusora misturadora
IT1034098B (it)	1979-09-10	Gambo pressatore per pressa di estrusione
MX149833A (es)	1983-12-28	Mejoras en maquina de extruir para el procesamiento de material termoplastico
IT1108683B (it)	1985-12-09	Utensile di estrusione particolarmente per materie plastiche