CH470955A - Process for the production of biaxially oriented tubular films - Google Patents
Process for the production of biaxially oriented tubular filmsInfo
- Publication number
- CH470955A CH470955A CH311468A CH311468A CH470955A CH 470955 A CH470955 A CH 470955A CH 311468 A CH311468 A CH 311468A CH 311468 A CH311468 A CH 311468A CH 470955 A CH470955 A CH 470955A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- biaxially oriented
- tubular films
- oriented tubular
- films
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
- B29C48/913—Cooling of hollow articles of tubular films externally
-
- 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
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
- B29C48/903—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies externally
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH311468A CH470955A (en) | 1968-03-01 | 1968-03-01 | Process for the production of biaxially oriented tubular films |
DE19691907298 DE1907298A1 (en) | 1968-03-01 | 1969-02-13 | Process for the production of biaxially oriented tubular films |
AT157569A AT308387B (en) | 1968-03-01 | 1969-02-17 | Process for the continuous production of stretched films made of thermoplastic material |
SE2323/69A SE345094B (en) | 1968-03-01 | 1969-02-20 | |
GB1257218D GB1257218A (en) | 1968-03-01 | 1969-02-21 | |
NL696902904A NL144862B (en) | 1968-03-01 | 1969-02-25 | METHOD AND DEVICE FOR THE MANUFACTURE OF A BIAXIALLY ORIENTED TUBULAR FOIL OF THERMOPLASTIC PLASTIC. |
BE728982D BE728982A (en) | 1968-03-01 | 1969-02-26 | |
FR6905576A FR2003064A1 (en) | 1968-03-01 | 1969-02-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH311468A CH470955A (en) | 1968-03-01 | 1968-03-01 | Process for the production of biaxially oriented tubular films |
Publications (1)
Publication Number | Publication Date |
---|---|
CH470955A true CH470955A (en) | 1969-04-15 |
Family
ID=4248910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH311468A CH470955A (en) | 1968-03-01 | 1968-03-01 | Process for the production of biaxially oriented tubular films |
Country Status (8)
Country | Link |
---|---|
AT (1) | AT308387B (en) |
BE (1) | BE728982A (en) |
CH (1) | CH470955A (en) |
DE (1) | DE1907298A1 (en) |
FR (1) | FR2003064A1 (en) |
GB (1) | GB1257218A (en) |
NL (1) | NL144862B (en) |
SE (1) | SE345094B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5018514B1 (en) * | 1970-04-03 | 1975-06-30 | ||
AT387540B (en) * | 1984-08-20 | 1989-02-10 | Muanyagipari Kutato Intezet | METHOD AND DEVICE FOR THE PRODUCTION OF HEAT-SHRINKING TUBE FILMS ORIENTED IN TWO DIRECTIONS |
US6565343B1 (en) * | 1998-06-08 | 2003-05-20 | K & S Future Design Inc. | Apparatus for producing plastic film |
DE102007044323A1 (en) * | 2007-08-04 | 2009-02-05 | Kiefel Extrusion Gmbh | External guide for film tube in blown film line, has guide plates with guiding surfaces aligned with respect to longitudinal axis, where guiding surfaces have base with uprising raised to axis for swirling air stream to flow along film tube |
-
1968
- 1968-03-01 CH CH311468A patent/CH470955A/en not_active IP Right Cessation
-
1969
- 1969-02-13 DE DE19691907298 patent/DE1907298A1/en active Pending
- 1969-02-17 AT AT157569A patent/AT308387B/en active
- 1969-02-20 SE SE2323/69A patent/SE345094B/xx unknown
- 1969-02-21 GB GB1257218D patent/GB1257218A/en not_active Expired
- 1969-02-25 NL NL696902904A patent/NL144862B/en unknown
- 1969-02-26 BE BE728982D patent/BE728982A/xx unknown
- 1969-02-28 FR FR6905576A patent/FR2003064A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
NL144862B (en) | 1975-02-17 |
AT308387B (en) | 1973-07-10 |
GB1257218A (en) | 1971-12-15 |
BE728982A (en) | 1969-08-01 |
FR2003064A1 (en) | 1969-11-07 |
SE345094B (en) | 1972-05-15 |
DE1907298A1 (en) | 1969-09-25 |
NL6902904A (en) | 1969-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |