GB1001313A - Packaging material and method for its production - Google Patents
Packaging material and method for its productionInfo
- Publication number
- GB1001313A GB1001313A GB3175161A GB3175161A GB1001313A GB 1001313 A GB1001313 A GB 1001313A GB 3175161 A GB3175161 A GB 3175161A GB 3175161 A GB3175161 A GB 3175161A GB 1001313 A GB1001313 A GB 1001313A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coating
- band
- film
- polyvinylidene chloride
- chloride
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/42—Applications of coated or impregnated materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Packaging material in the form of a flexible and pliable film or foil having good mechanical strength and good sealing tightness characteristics is produced by a method which includes the steps of moving a flexible supporting band over a predetermined path, successively applying to the band at different places in its path at least one coating of a plastic material in fluid condition to form a flexible component layer of good mechanical strength and applying at least one coating of another plastic material of the polyvinylidene chloride type in fluid condition to form a component layer of good sealing tightness characteristics, the surfaces of each coating being still tacky or adhesive when the following coating is applied thereon. The polyvinylidene chloride may be applied to a thickness less than that required to form a self-supporting film of the material. The band may be a temporary support, e.g. an endless non-adhesive band of metal, natural or synthetic rubber or cloth, metallized and/or silicone-treated rubber or cloth or silicone-treated metal, and the first coating applied thereon is non-adhesive with respect to the band and the packaging material formed thereon is finally separated from the band; or the band may be a permanent support to which the first coating adheres, e.g. a continuous band of paper or cardboard, cloth, metal foil or cellulose film. The film of good mechanical strength may be formed from at least one material selected from polyvinyl resins e.g. polyvinyl chloride, polyolefins e.g. polyethylene, polystyrene, polyamides and polyesters. The film of good sealing-tightness characteristics may be of polyvinylidene chloride, preferably modified with an acrylic resin. A first coating of polyamide may be applied to the support, a second coating of polyvinyl chloride applied over the first coating, a third coating of polyvinylidene chloride applied and a fourth coating of polyamide applied thereover. The layer being applied may be subjected to an orientation operation. The film or foil may be subjected to heating during its formation. The coatings may be applied as emulsions, granules, powder pastes or solutions with a doctor, or by means of cylinders, or air brush or by extrusion. The expression "polyvinylidene chloride type" is defined as meaning polyvinylidene chloride and copolymers of vinylidene chloride and vinyl chloride, which may be modified by one or more acrylic resins.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU39164 | 1960-09-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1001313A true GB1001313A (en) | 1965-08-11 |
Family
ID=19722410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3175161A Expired GB1001313A (en) | 1960-09-10 | 1961-09-04 | Packaging material and method for its production |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE607991A (en) |
CH (1) | CH385727A (en) |
GB (1) | GB1001313A (en) |
LU (1) | LU39164A1 (en) |
NL (1) | NL268901A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2216803A5 (en) * | 1973-02-02 | 1974-08-30 | Pellicule Cellulosique |
-
0
- BE BE607991D patent/BE607991A/xx unknown
- NL NL268901D patent/NL268901A/xx unknown
-
1960
- 1960-09-10 LU LU39164D patent/LU39164A1/xx unknown
-
1961
- 1961-08-30 CH CH1011261A patent/CH385727A/en unknown
- 1961-09-04 GB GB3175161A patent/GB1001313A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL268901A (en) | |
CH385727A (en) | 1964-12-15 |
BE607991A (en) | |
LU39164A1 (en) | 1962-03-10 |
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