CA1011064A - Apparatus and method for extruding and moulding plastic material - Google Patents
Apparatus and method for extruding and moulding plastic materialInfo
- Publication number
- CA1011064A CA1011064A CA179,130A CA179130A CA1011064A CA 1011064 A CA1011064 A CA 1011064A CA 179130 A CA179130 A CA 179130A CA 1011064 A CA1011064 A CA 1011064A
- Authority
- CA
- Canada
- Prior art keywords
- extruding
- plastic material
- moulding plastic
- moulding
- plastic
- 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.)
- Expired
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
- B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
- B29C31/004—Arrangements for converting the motion of a material which is continuously fed to a working station in a stepwise motion
-
- 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
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
-
- 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
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/154—Coating solid articles, i.e. non-hollow articles
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B29C48/255—Flow control means, e.g. valves
- B29C48/2556—Flow control means, e.g. valves provided in or in the proximity of dies
-
- 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
-
- 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
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
- B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
-
- 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
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
- B29C48/31—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections
-
- 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
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
- B29C48/31—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections
- B29C48/313—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections by positioning the die lips
-
- 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
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
- B29C48/388—Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a ram or piston
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/02—Combined thermoforming and manufacture of the preform
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/14—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0017—Combinations of extrusion moulding with other shaping operations combined with blow-moulding or thermoforming
-
- 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
- B29C48/07—Flat, e.g. panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/22—Hinges, pivots
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Robotics (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7230059A FR2196892B1 (xx) | 1972-08-23 | 1972-08-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1011064A true CA1011064A (en) | 1977-05-31 |
Family
ID=9103472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA179,130A Expired CA1011064A (en) | 1972-08-23 | 1973-08-20 | Apparatus and method for extruding and moulding plastic material |
Country Status (17)
Country | Link |
---|---|
US (1) | US3912436A (xx) |
JP (2) | JPS4960353A (xx) |
AR (1) | AR200737A1 (xx) |
AT (1) | AT357753B (xx) |
BE (1) | BE803883A (xx) |
BR (1) | BR7306473D0 (xx) |
CA (1) | CA1011064A (xx) |
CH (1) | CH580487A5 (xx) |
DD (1) | DD112384A5 (xx) |
DE (1) | DE2341139A1 (xx) |
ES (1) | ES418128A1 (xx) |
FR (1) | FR2196892B1 (xx) |
GB (1) | GB1436132A (xx) |
IT (1) | IT993699B (xx) |
NL (1) | NL162589C (xx) |
SE (1) | SE398841B (xx) |
ZA (1) | ZA735789B (xx) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1123875B (it) * | 1979-10-17 | 1986-04-30 | Pirelli | Testa di estrusione piana |
DE3767777D1 (de) * | 1986-06-11 | 1991-03-07 | Peerless Plastics Packaging | Herstellung geformter kunststoffkoerper. |
DE3929002A1 (de) * | 1989-09-01 | 1991-03-14 | Schmidt Erwepa Maschf | Vorrichtung zum extrudieren von kunststoff-mehrschichtfolien oder -platten |
FR2673141B1 (fr) * | 1991-02-21 | 1994-09-02 | Aerospatiale | Filiere reglable a galets tournants pour production d'une bande a bords inclines. |
AU665437B2 (en) * | 1992-06-08 | 1996-01-04 | British Technology Group Limited | Improvements in or relating to methods and apparatus for the continuous formation of an extruded product |
IT1261264B (it) * | 1993-09-16 | 1996-05-09 | Saiag Ind Spa | Procedimento e dispositivo per la produzione di tubazioni di raccordo e relativa tubazione. |
EP0761877A3 (de) * | 1995-09-06 | 1997-06-25 | Voith Sulzer Papiermasch Gmbh | Auftragswerk zum direkten oder indirekten Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Materialbahn |
JP3843561B2 (ja) | 1996-11-29 | 2006-11-08 | アイシン精機株式会社 | 徐変押出成形装置およびその制御方法 |
JP2001252605A (ja) | 2000-03-13 | 2001-09-18 | Konica Corp | 押出し塗布方法及び押出し塗布装置 |
FR2827210B1 (fr) * | 2001-07-13 | 2006-11-24 | Erca Formseal | Procede et installation de thermoformage de recipients limitant les pertes de matiere |
US6755638B2 (en) * | 2001-12-05 | 2004-06-29 | Professionals Auto Parts International Co., Ltd. | Apparatus for producing continuous extrusion molding |
US8557884B2 (en) * | 2002-05-31 | 2013-10-15 | Owens Corning Intellectual Capital, Llc | To enhance the thermal insulation of polymeric foam by reducing cell anisotropic ratio and the method for production thereof |
US7150614B2 (en) * | 2003-12-18 | 2006-12-19 | Owens Corning Fiberglas Technology, Inc. | Horizontal vacuum chamber seal control device |
US7901201B2 (en) | 2005-07-25 | 2011-03-08 | Kojima Press Industry Co., Ltd. | Press-molding machine and press-molding method |
EP1747873B1 (en) * | 2005-07-26 | 2010-09-01 | Kojima Press Industry Co., Ltd. | Method and apparatus for extruding a sheet and transferring it to a thermoforming mould having a sliding lower die |
DE102006027254B4 (de) * | 2006-06-09 | 2009-01-15 | Kautex Textron Gmbh & Co. Kg | Verfahren zur Herstellung von Hohlkörpern aus thermoplastischem Kunststoff durch Extrusionsblasformen |
DE102007056121B3 (de) * | 2007-11-15 | 2008-09-25 | Lindauer Dornier Gmbh | Breitschlitzdüse und Anlage zum Beschichten mit thermoplastischem Beschichtungsmaterial |
CN109514831A (zh) * | 2018-12-11 | 2019-03-26 | 山东威普斯橡胶股份有限公司 | 新型的多功能整芯阻燃输送带模块 |
CN116715028B (zh) * | 2023-08-09 | 2023-10-27 | 绵阳沃思测控技术有限公司 | 一种气力输送的吸料斗 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1350722A (en) * | 1920-08-24 | Daniel e | ||
US1443324A (en) * | 1921-04-04 | 1923-01-23 | Goodyear Tire & Rubber | Die head |
US3015129A (en) * | 1958-03-03 | 1962-01-02 | Industrial Nucleonics Corp | Extrusion process controls |
US3105270A (en) * | 1959-09-17 | 1963-10-01 | Illinois Tool Works | Forming machine |
US3142090A (en) * | 1961-07-26 | 1964-07-28 | Black Clawson Co | Extruders |
DE1207606B (de) * | 1961-08-03 | 1965-12-23 | Rastatter Kunststoffwerk G M B | Vorrichtung zum Auspressen eines Schlauches unterschiedlicher Wandstaerke aus thermoplastischen Kunststoffen |
US3527851A (en) * | 1966-10-15 | 1970-09-08 | Dunlop Co Ltd | Method for controlling the extrusion of visco-elastic material |
GB1253886A (en) * | 1969-02-07 | 1971-11-17 | David Bridge & Company Ltd | Improvements in or relating to the production of sheets of material |
US3579723A (en) * | 1969-07-25 | 1971-05-25 | Koehring Co | Extruder-molder |
FR2089705A5 (xx) * | 1970-04-18 | 1972-01-07 | Kawasaki Yuko Kk | |
US3709644A (en) * | 1970-11-25 | 1973-01-09 | J Farrell | Time saver plastic draw-back valve assembly |
GB1375838A (xx) * | 1971-03-01 | 1974-11-27 | ||
US3753636A (en) * | 1971-03-12 | 1973-08-21 | Graham Eng Corp | Phase variator for blow molding equipment |
US3761553A (en) * | 1971-06-28 | 1973-09-25 | Celanese Corp | Method for producing uniform drawn films |
US3810728A (en) * | 1972-09-15 | 1974-05-14 | A Jacobs | Injection molding machine |
-
1972
- 1972-08-23 FR FR7230059A patent/FR2196892B1/fr not_active Expired
-
1973
- 1973-08-01 CH CH1119173A patent/CH580487A5/xx not_active IP Right Cessation
- 1973-08-07 IT IT27644/73A patent/IT993699B/it active
- 1973-08-14 DE DE19732341139 patent/DE2341139A1/de active Pending
- 1973-08-20 CA CA179,130A patent/CA1011064A/en not_active Expired
- 1973-08-20 US US389556A patent/US3912436A/en not_active Expired - Lifetime
- 1973-08-20 AT AT723573A patent/AT357753B/de not_active IP Right Cessation
- 1973-08-20 GB GB3933773A patent/GB1436132A/en not_active Expired
- 1973-08-22 JP JP48093419A patent/JPS4960353A/ja active Pending
- 1973-08-22 BE BE134813A patent/BE803883A/xx unknown
- 1973-08-22 BR BR6473/73A patent/BR7306473D0/pt unknown
- 1973-08-23 SE SE7311485A patent/SE398841B/xx unknown
- 1973-08-23 ES ES418128A patent/ES418128A1/es not_active Expired
- 1973-08-23 AR AR249723A patent/AR200737A1/es active
- 1973-08-23 NL NL7311625.A patent/NL162589C/xx not_active IP Right Cessation
- 1973-08-23 ZA ZA735789A patent/ZA735789B/xx unknown
- 1973-08-23 DD DD173052A patent/DD112384A5/xx unknown
-
1979
- 1979-06-26 JP JP1979087558U patent/JPS54180477U/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NL162589B (nl) | 1980-01-15 |
US3912436A (en) | 1975-10-14 |
FR2196892A1 (xx) | 1974-03-22 |
ZA735789B (en) | 1974-07-31 |
NL162589C (nl) | 1980-06-16 |
SE398841B (sv) | 1978-01-23 |
JPS54180477U (xx) | 1979-12-20 |
AR200737A1 (es) | 1974-12-13 |
CH580487A5 (xx) | 1976-10-15 |
GB1436132A (en) | 1976-05-19 |
IT993699B (it) | 1975-09-30 |
JPS4960353A (xx) | 1974-06-12 |
ES418128A1 (es) | 1976-03-16 |
AT357753B (de) | 1980-07-25 |
DD112384A5 (xx) | 1975-04-12 |
BE803883A (fr) | 1974-02-22 |
BR7306473D0 (pt) | 1974-07-18 |
NL7311625A (xx) | 1974-02-26 |
DE2341139A1 (de) | 1974-03-07 |
FR2196892B1 (xx) | 1975-09-12 |
ATA723573A (de) | 1979-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA934920A (en) | Method and apparatus for blow molding thermoplastic material | |
CA1006308A (en) | Method of and apparatus for extruding plastic materials | |
CA1011064A (en) | Apparatus and method for extruding and moulding plastic material | |
CA1017510A (en) | Continuous automated plastic molding method and apparatus | |
CA1004814A (en) | Method and apparatus for producing oriented plastic shotshells | |
CA942465A (en) | Methods of and apparatus for extruding plastic material | |
GB1367646A (en) | Extruder and method for extruding plastics material | |
CA937371A (en) | Method and apparatus for molding thermoplastic materials | |
CA935610A (en) | Method and apparatus for molding plastic | |
CA1034724A (en) | Process and apparatus for injection molding | |
CA995418A (en) | Thermoplastics moulding method and apparatus | |
CA1015511A (en) | Method and apparatus for the preparation of plastic articles by extrusion | |
AU478435B2 (en) | Moulding process and apparatus therefor | |
CA908366A (en) | Apparatus and method for conveying plastic material | |
AU479700B2 (en) | Continuous automated plastic molding method and apparatus | |
CA1026510A (en) | Method of and apparatus for extruding plastic materials | |
CA1008618A (en) | Method of and apparatus for extruding plastic materials | |
CA901761A (en) | Method and apparatus for molding plastic articles | |
CA863216A (en) | Method and apparatus for molding thermoplastic material | |
CA896829A (en) | Process and apparatus for reinforced plastic molding | |
CA909139A (en) | Method and apparatus for making grooves in plastic material | |
CA893209A (en) | Continuous method and apparatus for extruding and forming thermoplastic articles | |
CA905620A (en) | Method and apparatus for producing thermoplastic resin moldings | |
CA1007409A (en) | Method and apparatus for blow molding thermoplastic material | |
AU453110B2 (en) | Method and apparatus for molding thermoplastic materials |