IT971006B - PROCESS FOR MANUFACTURING A PLASTIC COVER FILM AND EXTRUSION HEAD FOR THE PRACTICAL REALIZATION OF THIS PROCEDURE - Google Patents
PROCESS FOR MANUFACTURING A PLASTIC COVER FILM AND EXTRUSION HEAD FOR THE PRACTICAL REALIZATION OF THIS PROCEDUREInfo
- Publication number
- IT971006B IT971006B IT31830/72A IT3183072A IT971006B IT 971006 B IT971006 B IT 971006B IT 31830/72 A IT31830/72 A IT 31830/72A IT 3183072 A IT3183072 A IT 3183072A IT 971006 B IT971006 B IT 971006B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- manufacturing
- cover film
- extrusion head
- plastic cover
- 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
- 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
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
-
- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/33—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles with parts rotatable relative to each 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- 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
- B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1686071A CH549456A (en) | 1971-11-19 | 1971-11-19 | METHOD FOR MANUFACTURING A PLASTIC FILM. |
Publications (1)
Publication Number | Publication Date |
---|---|
IT971006B true IT971006B (en) | 1974-04-30 |
Family
ID=4420859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT31830/72A IT971006B (en) | 1971-11-19 | 1972-11-17 | PROCESS FOR MANUFACTURING A PLASTIC COVER FILM AND EXTRUSION HEAD FOR THE PRACTICAL REALIZATION OF THIS PROCEDURE |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS4862856A (en) |
CH (1) | CH549456A (en) |
DE (1) | DE2256756A1 (en) |
FR (1) | FR2160546A1 (en) |
IT (1) | IT971006B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4881784A (en) * | 1989-02-03 | 1989-11-21 | General Motors Corporation | ABS pressure apply algorithm |
CN1058214C (en) * | 1995-06-26 | 2000-11-08 | 奈克斯特罗姆·霍尔丁公司 | Extrusion apparatus and method for orienting plastic material by using an extrusion apparatus |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB925657A (en) * | 1958-09-18 | 1963-05-08 | Plastic Textile Access Ltd | Improvements in and relating to ribbed plastic material |
CH461784A (en) * | 1968-01-05 | 1968-08-31 | Weyermann Viktor | Process for the production of a continuously blown plastic film tube and nozzle head for carrying out the process |
-
1971
- 1971-11-19 CH CH1686071A patent/CH549456A/en not_active IP Right Cessation
-
1972
- 1972-11-16 FR FR7240741A patent/FR2160546A1/en active Granted
- 1972-11-16 DE DE2256756A patent/DE2256756A1/en active Pending
- 1972-11-17 IT IT31830/72A patent/IT971006B/en active
- 1972-11-18 JP JP47116093A patent/JPS4862856A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2160546B1 (en) | 1976-01-30 |
CH549456A (en) | 1974-05-31 |
DE2256756A1 (en) | 1973-05-24 |
JPS4862856A (en) | 1973-09-01 |
FR2160546A1 (en) | 1973-06-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT977005B (en) | PACKAGING OF PLASTIC MATERIAL AND METHOD OF MANUFACTURING | |
BE803851A (en) | SPRING IN PLASTIC MATERIAL | |
IT1002910B (en) | DEVICE AND PROCEDURE FOR COMPRESSING MATERIAL AND ENCLOSING THE SAME IN A PLASTIC FILM | |
IT1001539B (en) | TRANSFER AND ABSORPTION OF DYES IN PLASTIC MATERIALS | |
BE782159A (en) | OPTICAL ELEMENT IN PLASTIC MATERIAL | |
BE768179A (en) | PROCESS FOR MANUFACTURING A BAG IN PLASTIC MATERIAL CAPABLE OF HOLDING STANDING AND BAG OBTAINED BY THIS PROCESS | |
IT1002083B (en) | PROCEDURE FOR DEBURRING THE NECK OF HOLLOW BODIES IN PLASTIC MATERIAL AND DEVICE FOR ITS REALIZATION | |
IT1000076B (en) | SPINNING HEAD FOR PLASTIC MATERIAL | |
IT1027256B (en) | PROCEDURE AND DEVICE FOR THE MANUFACTURE OF HOLLOW CONTAINERS IN THERMOPLASTIC MATERIAL WITH BIAXIAL ORIENTATION | |
BE804931A (en) | MOLDING MATERIALS AND THERMOPLASTIC STRATIIES | |
IT973821B (en) | DIVIDING STRUCTURE IN EXPANDED PLASTIC MATERIAL AND RELATED PROCESS DIMENTO DIMENTO | |
IT1007516B (en) | PROCEDURE AND DEVICE FOR THE PRODUCTION OF A SMALL TUBULAR RE CONTAINED IN SYNTHETIC MATERIAL | |
BE764648A (en) | MOLDABLE HOLLOW OBJECTS IN FIRM AND STERILE PLASTIC MATERIAL AND METHOD FOR MANUFACTURING SUCH OBJECTS | |
IT958452B (en) | DEVICE AND PROCEDURE FOR FIXING DECORATION STRIPS IN PLASTIC MATERIAL | |
IT986387B (en) | THERMOPLASTIC MATERIAL FILM WITH MONO-AXIAL PREVALEN TEMENT ORIENTATION AND PROCEDURE FOR ITS MANUFACTURING | |
IT1002107B (en) | IMPROVEMENT OF THE NOZZLES FOR THE PRESS INJECTION OF PLASTIC MATERIAL AND RELATED NOZZLES IMPROVED | |
IT1000124B (en) | CONTAINER OF PLASTIC AND LAYER MATERIAL AND METHOD OF PRODUCING IT | |
SE387298B (en) | STACKABLE BOTTLE BACK OF THERMOPLASTIC PLASTIC MATERIAL | |
BE797588A (en) | FOLDING DOOR IN EXTRUDED PLASTIC MATERIAL | |
IT1008486B (en) | PROCEDURE AND APPARATUS FOR MANUFACTURING CONTAINERS OF THERMOPLASTIC MATERIAL | |
IT971006B (en) | PROCESS FOR MANUFACTURING A PLASTIC COVER FILM AND EXTRUSION HEAD FOR THE PRACTICAL REALIZATION OF THIS PROCEDURE | |
IT969169B (en) | CONTINUOUS EXTRUSION HEAD FOR THE MANUFACTURE OF NETS IN PLASTIC MATERIAL | |
IT952967B (en) | PROCESS FOR THE MANUFACTURE OF A PACKAGING WITH ONE OPENING AND PACKAGING OBTAINED | |
IT997785B (en) | PROCESS OF COATING WITH PLASTIC MATERIAL AND PRODUCT OBTAINED | |
IT974020B (en) | IMPROVEMENT IN THE MOLDS FOR PARTS IN EXPANDED PLASTIC MATERIAL AND RELATED MANUFACTURING PROCESS |