GB1528815A - Process for the manufacture of multilayer impermeable strips - Google Patents

Process for the manufacture of multilayer impermeable strips

Info

Publication number
GB1528815A
GB1528815A GB51317/75A GB5131775A GB1528815A GB 1528815 A GB1528815 A GB 1528815A GB 51317/75 A GB51317/75 A GB 51317/75A GB 5131775 A GB5131775 A GB 5131775A GB 1528815 A GB1528815 A GB 1528815A
Authority
GB
United Kingdom
Prior art keywords
layers
plastics
layer
asphalt
rollers
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
Application number
GB51317/75A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Texsa SA
Original Assignee
Texsa 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 Texsa SA filed Critical Texsa SA
Priority to GB51317/75A priority Critical patent/GB1528815A/en
Publication of GB1528815A publication Critical patent/GB1528815A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B32B11/00—Layered products comprising a layer of bituminous or tarry substances
    • B32B11/04—Layered products comprising a layer of bituminous or tarry substances comprising such bituminous or tarry substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B11/046—Layered products comprising a layer of bituminous or tarry substances comprising such bituminous or tarry substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B11/00—Layered products comprising a layer of bituminous or tarry substances
    • B32B11/04—Layered products comprising a layer of bituminous or tarry substances comprising such bituminous or tarry substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable

Landscapes

  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

1528815 Laminates TEXSA SA 15 Dec 1975 51317/75 Heading B5N Multi layer waterproof strips having at least two continuous flexible plastics layers and therebetween, as adhesive medium, an evenly distributed layer of asphalt mixture, are produced by moving the plastics material layers 1A and 1B along respective paths to an asphalt mixture application point, applying between the plastics layers 1A and 1B at the application point a layer of asphalt mixtures 6, comprising 65-70% by weight asphalt, 25-30% by weight slate shale and 5-10% by weight latex or other elastomeric material in a suitable state at a temperature of 170‹ to 190‹ C., bonding the plastics material and asphalt layers together under pressure with the asphalt layer between the plastics material layers, and simultaneously cooling the plastics layers with a water film applied to the surfaces of the plastics layers opposite to the surfaces of the layers which contact the asphalt mixture, the water film being applied to each plastics layer at a distance of 20-40 cm before the application point, thereby avoiding damage to the plastics material of the layers due to the heat given off by the hot molten asphalt. Plastics layers 1A and 1B may partially wrap rollers 3A and 3B rotating in opposite directions thereby forming an adjustable nip into which the fluid asphalt mixture fed from source 7 is poured from box 5. Two or more pairs of rollers may act downstream to add further plastics web layers and asphalt mixture layers to the initial three layer strip 8. Rollers 3A and 3B operate partially submerged in water 9 to create around their periphery water films for cooling the plastics layers. The rollers may also be cooled by internal circulation of water introduced through tubular shafts 4A and 4B. The plastics layer which may be of high-pressure, low-density polyethylene may have a thickness of 0À01- 0À10 mm and the asphalt mixture layer may have a thickness of 1-4 mm. In an alternative arrangement the rollers may be replaced by endless belts.
GB51317/75A 1975-12-15 1975-12-15 Process for the manufacture of multilayer impermeable strips Expired GB1528815A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB51317/75A GB1528815A (en) 1975-12-15 1975-12-15 Process for the manufacture of multilayer impermeable strips

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB51317/75A GB1528815A (en) 1975-12-15 1975-12-15 Process for the manufacture of multilayer impermeable strips

Publications (1)

Publication Number Publication Date
GB1528815A true GB1528815A (en) 1978-10-18

Family

ID=10459520

Family Applications (1)

Application Number Title Priority Date Filing Date
GB51317/75A Expired GB1528815A (en) 1975-12-15 1975-12-15 Process for the manufacture of multilayer impermeable strips

Country Status (1)

Country Link
GB (1) GB1528815A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3020641A1 (en) * 1979-06-01 1980-12-04 Tajima Roofing Co THERMALLY INSULATING AND BITUMEN-CONTAINING WATERPROOF PANEL AND THEIR USE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3020641A1 (en) * 1979-06-01 1980-12-04 Tajima Roofing Co THERMALLY INSULATING AND BITUMEN-CONTAINING WATERPROOF PANEL AND THEIR USE

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19951214