IT971006B - Procedimento di fabbricazione di una pellicola in materiale plasti co e testa di estrusione per la realizzazione pratica di questo procedimento - Google Patents
Procedimento di fabbricazione di una pellicola in materiale plasti co e testa di estrusione per la realizzazione pratica di questo procedimentoInfo
- 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)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1686071A CH549456A (fr) | 1971-11-19 | 1971-11-19 | Procede de fabrication d'un film en matiere plastique. |
Publications (1)
Publication Number | Publication Date |
---|---|
IT971006B true IT971006B (it) | 1974-04-30 |
Family
ID=4420859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT31830/72A IT971006B (it) | 1971-11-19 | 1972-11-17 | Procedimento di fabbricazione di una pellicola in materiale plasti co e testa di estrusione per la realizzazione pratica di questo procedimento |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS4862856A (fr) |
CH (1) | CH549456A (fr) |
DE (1) | DE2256756A1 (fr) |
FR (1) | FR2160546A1 (fr) |
IT (1) | IT971006B (fr) |
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 (zh) * | 1995-06-26 | 2000-11-08 | 奈克斯特罗姆·霍尔丁公司 | 挤压设备和利用挤压设备使塑料取向的方法 |
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 (de) * | 1968-01-05 | 1968-08-31 | Weyermann Viktor | Verfahren zur Herstellung eines kontinuierlich geblasenen Kunststoff-Folienschlauches und Düsenkopf zur Ausübung des Verfahrens |
-
1971
- 1971-11-19 CH CH1686071A patent/CH549456A/fr not_active IP Right Cessation
-
1972
- 1972-11-16 DE DE2256756A patent/DE2256756A1/de active Pending
- 1972-11-16 FR FR7240741A patent/FR2160546A1/fr active Granted
- 1972-11-17 IT IT31830/72A patent/IT971006B/it active
- 1972-11-18 JP JP47116093A patent/JPS4862856A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2160546B1 (fr) | 1976-01-30 |
FR2160546A1 (en) | 1973-06-29 |
CH549456A (fr) | 1974-05-31 |
JPS4862856A (fr) | 1973-09-01 |
DE2256756A1 (de) | 1973-05-24 |
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