IT1024790B - Macchina per estrudere a due o piuviti - Google Patents

Macchina per estrudere a due o piuviti

Info

Publication number: IT1024790B
Authority: IT; Italy
Prior art keywords: extruding; screws; machine
Prior art date: 1973-11-09

Application number

IT70297/74A

Other languages

English (en)

Original Assignee

Creusot Loire

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.)

1973-11-09

Filing date

1974-11-08

Publication date

1978-07-20

1973-11-09 Priority claimed from FR7339885A external-priority patent/FR2271032A1/fr

1974-08-29 Priority claimed from FR7429481A external-priority patent/FR2282992A2/fr

1974-11-08 Application filed by Creusot Loire filed Critical Creusot Loire

1978-07-20 Application granted granted Critical

1978-07-20 Publication of IT1024790B publication Critical patent/IT1024790B/it

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
- B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising
- 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
- B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/405—Intermeshing co-rotating screws
- 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
- B29C48/04—Particle-shaped

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Manufacturing & Machinery (AREA)
Formation And Processing Of Food Products (AREA)

IT70297/74A 1973-11-09 1974-11-08 Macchina per estrudere a due o piuviti IT1024790B (it)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR7339885A FR2271032A1 (en)	1973-11-09	1973-11-09	Extrusion machine esp. for the food industry - with two material advancing screws and material outlet spinnerets in base
FR7429481A FR2282992A2 (fr)	1974-08-29	1974-08-29	Machine d'extrusion de matieres

Publications (1)

Publication Number	Publication Date
IT1024790B true IT1024790B (it)	1978-07-20

Family

ID=26218016

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT70297/74A IT1024790B (it)	1973-11-09	1974-11-08	Macchina per estrudere a due o piuviti

Country Status (4)

Country	Link
GB (1)	GB1479169A (it)
IT (1)	IT1024790B (it)
LU (1)	LU71250A1 (it)
NL (1)	NL7413920A (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3809735C1 (it) *	1988-03-23	1989-06-08	Werner & Pfleiderer Gmbh, 7000 Stuttgart, De
DE102008053799A1 (de) *	2008-10-29	2010-05-06	Bayer Materialscience Ag	Extrusionsdüse für Polymere
DE202012004600U1 (de) *	2012-05-08	2012-06-01	Automatik Plastics Machinery Gmbh	Düseneinrichtung

1974
- 1974-10-24 NL NL7413920A patent/NL7413920A/xx not_active Application Discontinuation
- 1974-11-04 GB GB47627/74A patent/GB1479169A/en not_active Expired
- 1974-11-07 LU LU71250A patent/LU71250A1/xx unknown
- 1974-11-08 IT IT70297/74A patent/IT1024790B/it active

Also Published As

Publication number	Publication date
LU71250A1 (it)	1975-05-21
GB1479169A (en)	1977-07-06
NL7413920A (nl)	1975-05-13

Publication	Publication Date	Title
IT1021949B (it)	1978-02-20	Macchina utensile
SE394700B (sv)	1977-07-04	Pappersmaskin
SE398603B (sv)	1978-01-09	Spelautomat
SE390130B (sv)	1976-12-06	Hyvelmaskin
BR7404600D0 (pt)	1975-01-07	Maquina de furar por percussao aperfeicoada
IT1009837B (it)	1976-12-20	Macchina stampatrice fotoelet trografica
IT1008411B (it)	1976-11-10	Macchina disboscatrice
BR7400291D0 (pt)	1974-08-22	Maquina de embobinar
BR7405275A (pt)	1976-02-24	Parafuso extrusador de multiplas pecas
BE815702A (fr)	1974-11-29	Machine de moulage
BR7401243D0 (pt)	1974-11-19	Aperfeicoamentos em extrusora
BE819930A (fr)	1975-01-16	Machine-outil
AT360945B (de)	1981-02-10	Druckmaschine
SE405087B (sv)	1978-11-20	Sprutenhet for formsprutmaskiner
SE422653B (sv)	1982-03-22	Siktmaskin
BR7400589D0 (pt)	1974-09-10	Maquina dinamoeletrica
IT1020313B (it)	1977-12-20	Macchina utensile
IT1024790B (it)	1978-07-20	Macchina per estrudere a due o piuviti
BR7408803D0 (pt)	1975-09-23	Maquina de encrespar
SE394176B (sv)	1977-06-13	Spelautomat
BE818314A (fr)	1974-11-18	Machine a corroder en continu
IT1009233B (it)	1976-12-10	Macchina alesatrice
BE818276A (fr)	1974-11-18	Machine-outil
ATA19973A (de)	1976-09-15	Werkzeugmaschine
SU540596A1 (ru)	1976-12-30	Комкодавитель клубнекорнеуборочной машины