IT7835620V0 - Procedimento e dispositivo per la fusione di un materiale termoplastico - Google Patents
Procedimento e dispositivo per la fusione di un materiale termoplasticoInfo
- Publication number
- IT7835620V0 IT7835620V0 IT7835620U IT3562078U IT7835620V0 IT 7835620 V0 IT7835620 V0 IT 7835620V0 IT 7835620 U IT7835620 U IT 7835620U IT 3562078 U IT3562078 U IT 3562078U IT 7835620 V0 IT7835620 V0 IT 7835620V0
- Authority
- IT
- Italy
- Prior art keywords
- fusion
- procedure
- thermoplastic material
- thermoplastic
- Prior art date
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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
-
- 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
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
- B29B7/421—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with screw and additionally other mixing elements on the same shaft, e.g. paddles, discs, bearings, rotor blades of the Banbury type
-
- 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
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/482—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws provided with screw parts in addition to other mixing parts, e.g. paddles, gears, discs
-
- 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
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/82—Heating or cooling
- B29B7/826—Apparatus therefor
-
- 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
-
- 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
- B29C48/402—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 the screws having intermeshing parts
-
- 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
- B29C48/56—Screws having grooves or cavities other than the thread or the channel
-
- 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)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7702020.A NL163984B (nl) | 1977-02-25 | 1977-02-25 | Inrichting voor het smelten van een kunststof. |
Publications (1)
Publication Number | Publication Date |
---|---|
IT7835620V0 true IT7835620V0 (it) | 1978-02-24 |
Family
ID=19828055
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT7835620U IT7835620V0 (it) | 1977-02-25 | 1978-02-24 | Procedimento e dispositivo per la fusione di un materiale termoplastico |
IT48172/78A IT1101882B (it) | 1977-02-25 | 1978-02-24 | Procedimento e dispositivo per la fusione di un materiale termoplastico |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48172/78A IT1101882B (it) | 1977-02-25 | 1978-02-24 | Procedimento e dispositivo per la fusione di un materiale termoplastico |
Country Status (7)
Country | Link |
---|---|
US (1) | US4218146A (it) |
BE (1) | BE886316Q (it) |
DE (1) | DE2804037C2 (it) |
FR (1) | FR2381610A1 (it) |
GB (1) | GB1593345A (it) |
IT (2) | IT7835620V0 (it) |
NL (1) | NL163984B (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8001053A (nl) * | 1980-02-21 | 1981-09-16 | Stamicarbon | Werkwijze voor het vormgeven van kunststoffen. |
NL8001732A (nl) * | 1980-03-25 | 1981-10-16 | Stamicarbon | Werkwijze voor de vervaardiging van produkten bestaande uit geschuimde en/of verknoopte polymere kunststoffen. |
US4408725A (en) * | 1980-11-26 | 1983-10-11 | Wenger Manufacturing | Screw and head assembly for processing whole grains and cellulosic materials |
US4875847A (en) * | 1984-04-23 | 1989-10-24 | Wenger Manufacturing, Inc. | Twin-screw extruder having respective conical nose screw sections |
DE3723456C1 (de) * | 1987-07-16 | 1988-04-21 | Werner & Pfleiderer | Extruderschnecke |
AT392932B (de) * | 1987-10-12 | 1991-07-10 | Plastronica Ag | Vorwaerm- und dosiervorrichtung |
US5014882A (en) * | 1989-05-19 | 1991-05-14 | Marlen Research Corporation | Pivot-action portioning apparatus and method |
JP2966735B2 (ja) * | 1994-07-29 | 1999-10-25 | 積水化成品工業株式会社 | 熱可塑性樹脂押出機 |
US6454454B1 (en) | 1996-04-30 | 2002-09-24 | Robert A. Barr | Polymer melting and extruding apparatus with linear downstream threads |
US6962431B1 (en) * | 2000-11-08 | 2005-11-08 | Randcastle Extrusion System, Inc. | Extruder mixer |
US6712495B2 (en) * | 2001-11-20 | 2004-03-30 | E. I. Du Pont De Nemours And Company | Mixing apparatus |
US7032843B1 (en) | 2003-04-24 | 2006-04-25 | Westland Corporation U.S.A., Inc. | Mixing nozzle |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE548552A (it) * | 1955-06-14 | 1900-01-01 | ||
CH363149A (fr) * | 1959-12-31 | 1962-07-15 | Maillefer Sa | Boudineuse à vis |
US3252182A (en) * | 1963-01-22 | 1966-05-24 | Lavorazione Mat Plast | Screw press for extrusion of plastics |
GB1026308A (en) * | 1963-09-25 | 1966-04-14 | Et Oakes Corp | Improvements in and relating to the production of dough |
US3411179A (en) * | 1966-04-12 | 1968-11-19 | Frank W Egan & Company | Extruder screw mixing section |
US3486192A (en) * | 1967-03-24 | 1969-12-30 | Union Carbide Corp | Apparatus for extrusion of thermoplastics |
GB1239417A (it) * | 1967-09-01 | 1971-07-14 | ||
DE1729394B2 (de) * | 1967-11-29 | 1972-08-17 | Windmöller & Hölscher, 4540 Lengerich | Schneckenpresse fuer die verarbeitung thermoplastischer stoffe |
US3787542A (en) * | 1971-10-14 | 1974-01-22 | Ici Ltd | Production of extruded foamed synthetic thermoplastic polymeric materials |
US3870284A (en) * | 1972-08-23 | 1975-03-11 | Koehring Co | Extruder screws |
DE2324581C2 (de) * | 1973-05-16 | 1983-10-13 | Leistritz Maschinenfabrik Paul Leistritz GmbH, 8500 Nürnberg | Vorrichtung zum Austrag von festen Verunreinigungen bei einem Extruder |
-
0
- BE BE0/202912A patent/BE886316Q/nl not_active IP Right Cessation
-
1977
- 1977-02-25 NL NL7702020.A patent/NL163984B/xx not_active IP Right Cessation
-
1978
- 1978-01-31 DE DE2804037A patent/DE2804037C2/de not_active Expired
- 1978-02-21 FR FR7805152A patent/FR2381610A1/fr active Granted
- 1978-02-24 GB GB7494/78A patent/GB1593345A/en not_active Expired
- 1978-02-24 IT IT7835620U patent/IT7835620V0/it unknown
- 1978-02-24 IT IT48172/78A patent/IT1101882B/it active
- 1978-02-27 US US05/881,504 patent/US4218146A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4218146A (en) | 1980-08-19 |
BE886316Q (nl) | 1981-03-16 |
NL7702020A (nl) | 1978-08-29 |
GB1593345A (en) | 1981-07-15 |
IT7848172A0 (it) | 1978-02-24 |
NL163984B (nl) | 1980-06-16 |
FR2381610B1 (it) | 1982-06-25 |
IT1101882B (it) | 1985-10-07 |
FR2381610A1 (fr) | 1978-09-22 |
DE2804037A1 (de) | 1978-08-31 |
DE2804037C2 (de) | 1985-05-02 |
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