BE740979A - - Google Patents

Info

Publication number: BE740979A
Authority: BE; Belgium

Application number

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.)

1968-12-31

Filing date

1969-10-29

Publication date

1970-04-29

1969-10-29 Application filed filed Critical

1970-04-29 Publication of BE740979A publication Critical patent/BE740979A/xx

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
- B29C48/911—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
- B29C48/03—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
- 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)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Extrusion Moulding Of Plastics Or The Like (AREA)
Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

BE740979D 1968-12-31 1969-10-29 BE740979A (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB61899/68A GB1282283A (en)	1968-12-31	1968-12-31	The manufacture of films from an organic thermoplastic polymer

Publications (1)

Publication Number	Publication Date
BE740979A true BE740979A (xx)	1970-04-29

Family

ID=10487611

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE740979D BE740979A (xx)	1968-12-31	1969-10-29

Country Status (8)

Country	Link
US (1)	US3700763A (xx)
BE (1)	BE740979A (xx)
CA (1)	CA940680A (xx)
CH (1)	CH497973A (xx)
DE (1)	DE1956465A1 (xx)
GB (1)	GB1282283A (xx)
NL (1)	NL6916053A (xx)
SE (1)	SE353260B (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3784347A (en) *	1970-02-05	1974-01-08	Phillips Petroleum Co	Blown film tube collapsing
US3852386A (en) *	1970-12-21	1974-12-03	Dow Chemical Co	Manufacture of film having formed fastener means therein
GB1533306A (en) *	1976-08-13	1978-11-22	Ici Ltd	Cooling thermoplastic tubes
DE3462759D1 (en) *	1983-02-04	1987-04-30	Unilever Nv	Method of producing a flexible plastic sheet
US5778598A (en) *	1992-10-27	1998-07-14	U.S. Polymers, Inc.	Shutter door assembly
US5342187A (en) *	1992-10-27	1994-08-30	U.S. Polymers, Inc.	Extrusion system having after/former means for reshaping tube of extrudant
EP3222404B1 (de) *	2016-03-21	2019-09-11	Collin Lab & Pilot Solutions GmbH	Vorrichtung und verfahren zur raschen abkühlung von extrudaten
ES2980965T3 (es)	2016-09-28	2024-10-03	Dow Global Technologies Llc	Película multicapa y bolsa con la misma

1968
- 1968-12-31 GB GB61899/68A patent/GB1282283A/en not_active Expired
1969
- 1969-08-13 US US849849A patent/US3700763A/en not_active Expired - Lifetime
- 1969-10-10 SE SE13957/69A patent/SE353260B/xx unknown
- 1969-10-14 CA CA064,842A patent/CA940680A/en not_active Expired
- 1969-10-24 NL NL6916053A patent/NL6916053A/xx unknown
- 1969-10-29 BE BE740979D patent/BE740979A/xx unknown
- 1969-11-07 CH CH1661069A patent/CH497973A/de not_active IP Right Cessation
- 1969-11-10 DE DE19691956465 patent/DE1956465A1/de active Pending

Also Published As

Publication number	Publication date
DE1956465A1 (de)	1970-07-16
US3700763A (en)	1972-10-24
CH497973A (de)	1970-10-31
SE353260B (xx)	1973-01-29
GB1282283A (en)	1972-07-19
CA940680A (en)	1974-01-29
NL6916053A (xx)	1970-07-02

Publication	Publication Date	Title
AU428130B2 (xx)	1972-09-14
AU5184069A (xx)	1970-07-17
AU6168869A (xx)	1971-04-08
AU6171569A (xx)	1971-04-08
AU429879B2 (xx)	1972-11-09
AU4304568A (xx)	1971-02-25
AU4811568A (xx)	1974-08-01
AU421558B1 (xx)	1970-01-29
AU4744468A (xx)	1970-06-18
BE723176A (xx)	1969-04-01
BE642636A (xx)
BE726725A (xx)	1969-06-16
AU2496167A (xx)	1970-01-15
BE709484A (xx)	1968-05-30
BE709479A (xx)	1968-07-17
BE709446A (xx)	1968-05-30
BE709435A (xx)	1968-07-16
BE709415A (xx)	1968-05-30
BE709320A (xx)	1968-05-16
BE709319A (xx)	1968-05-16
BE709301A (xx)	1968-07-12
BE709274A (xx)	1968-07-12
BE709138A (xx)	1968-05-16
BE709119A (xx)	1968-05-16
BE709095A (xx)	1968-07-09