CH549456A - METHOD FOR MANUFACTURING A PLASTIC FILM. - Google Patents

METHOD FOR MANUFACTURING A PLASTIC FILM.

Info

Publication number
CH549456A
CH549456A CH1686071A CH1686071A CH549456A CH 549456 A CH549456 A CH 549456A CH 1686071 A CH1686071 A CH 1686071A CH 1686071 A CH1686071 A CH 1686071A CH 549456 A CH549456 A CH 549456A
Authority
CH
Switzerland
Prior art keywords
manufacturing
plastic film
plastic
film
Prior art date
Application number
CH1686071A
Other languages
French (fr)
Original Assignee
Sig Schweiz Industrieges
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sig Schweiz Industrieges filed Critical Sig Schweiz Industrieges
Priority to CH1686071A priority Critical patent/CH549456A/en
Priority to DE2256756A priority patent/DE2256756A1/en
Priority to FR7240741A priority patent/FR2160546A1/en
Priority to IT31830/72A priority patent/IT971006B/en
Priority to JP47116093A priority patent/JPS4862856A/ja
Publication of CH549456A publication Critical patent/CH549456A/en

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
CH1686071A 1971-11-19 1971-11-19 METHOD FOR MANUFACTURING A PLASTIC FILM. CH549456A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH1686071A CH549456A (en) 1971-11-19 1971-11-19 METHOD FOR MANUFACTURING A PLASTIC FILM.
DE2256756A DE2256756A1 (en) 1971-11-19 1972-11-16 PROCESS FOR PRODUCING A FILM FROM PLASTIC AND SPRAYING HEAD FOR ITS IMPLEMENTATION
FR7240741A FR2160546A1 (en) 1971-11-19 1972-11-16 Tubular film extrusion - with drive mechanism to rotate the mandrel and/or the extruder head
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
JP47116093A JPS4862856A (en) 1971-11-19 1972-11-18

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
CH549456A true CH549456A (en) 1974-05-31

Family

ID=4420859

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1686071A CH549456A (en) 1971-11-19 1971-11-19 METHOD FOR MANUFACTURING A PLASTIC FILM.

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4881784A (en) * 1989-02-03 1989-11-21 General Motors Corporation ABS pressure apply algorithm
EP0835177B1 (en) 1995-06-26 2001-12-12 Nextrom Holding S.A. Extrusion apparatus and method for orienting plastic material by using an extrusion apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE2256756A1 (en) 1973-05-24
FR2160546A1 (en) 1973-06-29
JPS4862856A (en) 1973-09-01
FR2160546B1 (en) 1976-01-30
IT971006B (en) 1974-04-30

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Legal Events

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PL Patent ceased