IT949760B - Films facilmente lacerabili costi tuiti da poliolefine - Google Patents

Films facilmente lacerabili costi tuiti da poliolefine

Info

Publication number
IT949760B
IT949760B IT21260/72A IT2126072A IT949760B IT 949760 B IT949760 B IT 949760B IT 21260/72 A IT21260/72 A IT 21260/72A IT 2126072 A IT2126072 A IT 2126072A IT 949760 B IT949760 B IT 949760B
Authority
IT
Italy
Prior art keywords
polyolefins
costs
easily tearable
tearable films
films
Prior art date
Application number
IT21260/72A
Other languages
English (en)
Italian (it)
Inventor
A Senez
J Bernard
Original Assignee
Naphtachimie Sa
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 Naphtachimie Sa filed Critical Naphtachimie Sa
Application granted granted Critical
Publication of IT949760B publication Critical patent/IT949760B/it

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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/04—After-treatment of articles without altering their shape; Apparatus therefor by wave energy or particle radiation, e.g. for curing or vulcanising preformed 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0063—Cutting longitudinally
    • 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
    • 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
    • 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
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • 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
    • B29C48/09—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
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • 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
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/008—Wide strips, e.g. films, webs
IT21260/72A 1971-03-05 1972-03-01 Films facilmente lacerabili costi tuiti da poliolefine IT949760B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7107597A FR2128105A1 (en) 1971-03-05 1971-03-05 Tearable polyolefin film - by subjecting extruded film to ionising radiation in absence of oxygen and other reactive substances

Publications (1)

Publication Number Publication Date
IT949760B true IT949760B (it) 1973-06-11

Family

ID=9072962

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21260/72A IT949760B (it) 1971-03-05 1972-03-01 Films facilmente lacerabili costi tuiti da poliolefine

Country Status (4)

Country Link
BE (1) BE780180A (https=)
CH (1) CH547321A (https=)
FR (1) FR2128105A1 (https=)
IT (1) IT949760B (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8332952D0 (en) * 1983-12-09 1984-01-18 Ward I M Polymer irradiation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1016853B (de) * 1956-03-31 1957-10-03 Siemens Ag Anordnung zur Beeinflussung der molekularen Struktur von Kunststoffen durch Bestrahlen, insbesondere mit Elektronen

Also Published As

Publication number Publication date
FR2128105A1 (en) 1972-10-20
BE780180A (fr) 1972-09-04
FR2128105B1 (https=) 1974-02-22
CH547321A (fr) 1974-03-29

Similar Documents

Publication Publication Date Title
IT943846B (it) Pellicole rivestite
BR7208917D0 (pt) Pelicula de poli-olefina
NO146189C (no) Anordning for fremstilling av kunst-kull-formlegemer
BE768650A (fr) Compositions pour revetements thermoplastiques
BE768342A (fr) Pellicules de copolycetones
SE386799B (sv) Hogtalaranleggning
BE781432A (fr) Circuit de protection pour haut-parleur
IT975527B (it) Pellicole poliolefiniche
AT327475B (de) Wandanschlussfolie
BE768340A (fr) Pellicules de copolycetones cristallisees
BE778224A (fr) Pare-battage
FI53928B (fi) Montering av omroeraren foer slamtraoget vid ett trumfilter
FI56690B (fi) Foerfarande foer framstaellning av foerestringsprodukter genom sampolymerisation
FI55893C (fi) Anordning foer minskning av matningskraften vid bergborrning
FI53921C (fi) Foerfarande foer granulering av tablettmassor i pulverform
IT949760B (it) Films facilmente lacerabili costi tuiti da poliolefine
FI55712B (fi) Spjaell foer reglering av fluidumstroemning genom en trumma
FI53726C (fi) Anordning vid behaollare foer behandling av cellulosamassa
IT951341B (it) Imballaggio lacerabile
FI53989B (fi) Anordning foer framstaellning av en dragkedja genom vaevning
FI55158C (fi) Anordning foer stjaelpning av en t ex avfall innehaollande behaollare
FI54869C (fi) Maskin foer stukning av saogtaender
FI55206C (fi) Foerfarande foer framstaellning av saltblandningar av alkalimetallsalter av 0 0-dialkylditiofosforsyror
FI46484B (fi) Av plastfolie framstaelld baerkasse
BE768343A (fr) Pellicules de copolycetones orientees