GB2125731A - Improvements in or relating to conveyor belting - Google Patents

Improvements in or relating to conveyor belting Download PDF

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Publication number
GB2125731A
GB2125731A GB08322123A GB8322123A GB2125731A GB 2125731 A GB2125731 A GB 2125731A GB 08322123 A GB08322123 A GB 08322123A GB 8322123 A GB8322123 A GB 8322123A GB 2125731 A GB2125731 A GB 2125731A
Authority
GB
United Kingdom
Prior art keywords
belt according
chlorinated polyethylene
carcass
cover
belt
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.)
Withdrawn
Application number
GB08322123A
Other versions
GB8322123D0 (en
Inventor
Alan Smith
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.)
Dunlop Ltd
Original Assignee
Dunlop Ltd
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 Dunlop Ltd filed Critical Dunlop Ltd
Publication of GB8322123D0 publication Critical patent/GB8322123D0/en
Publication of GB2125731A publication Critical patent/GB2125731A/en
Withdrawn legal-status Critical Current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
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/30—Belts or like endless load-carriers
    • B65G15/32—Belts or like endless load-carriers made of rubber or plastics
    • B65G15/34—Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric
    • 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
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/12—Layered products comprising a layer of natural or synthetic rubber comprising natural rubber
    • 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
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/16—Layered products comprising a layer of natural or synthetic rubber comprising polydienes homopolymers or poly-halodienes homopolymers
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/024—Woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/30—Belts or like endless load-carriers
    • B65G15/32—Belts or like endless load-carriers made of rubber or plastics
    • B65G15/38—Belts or like endless load-carriers made of rubber or plastics with flame-resistant layers, e.g. of asbestos, glass
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L21/00—Compositions of unspecified rubbers
    • 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—Fibrous or filamentary layer
    • 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—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
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/72—Cured, e.g. vulcanised, cross-linked
    • 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
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/54—Yield strength; Tensile strength
    • 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
    • B32B2307/718—Weight, e.g. weight per square meter
    • 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
    • B32B2433/00—Closed loop articles
    • B32B2433/02—Conveyor belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/04—Bulk

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
  • Belt Conveyors (AREA)

Abstract

A conveyor belt having a good resistance to damage by fire, and high friction and high abrasion resistance comprises a reinforcement carcass to which there is directly bonded a cover layer comprising a chlorinated polyethylene compound thereby to form a working surface of the conveyor belt.

Description

SPECIFICATION Improvements in or relating to conveyor belting This invention concerns improvements in or relating to conveyor belting and in particular to fire resistant conveyor belting such as may be used in mines.
One type of fire resistant belting comprises a solid woven, polyvinyl chloride (pvc) impregnated, textile reinforcement carcass and a pvc cover. Such belting has good fire resistant characteristics due to the high (56%) chlorine content and is easy to clean. However, pvc is not an ideal cover material because of its low coefficient of friction and low abrasion resistance. It has therefore been proposed to use neoprene in place of pvc as the cover material to obtain the desired friction and abrasion resistance characteristics.
A disadvantage of the neoprene covered belt however is that the cover/carcass adhesion strength at elevated temperatures is low and delamination between the cover and carcass may occur leading to belt failure. Consequently where the temperature increase is the result of a fire the carcass is rapidly exposed to the flames thereby accelerating the destruction of the belt.
Attempts to overcome the problem by the use of an adhesive interlayer has not provided a complete solution. Thus although the interlayer may improve the cover/carcass adhesion strength at elevated temperatures, neoprene is destroyed when subjected to the flames of a fire and the carcass is eventually exposed to the flames thereby accelerating the burning process.
It is an object of the present invention therefore to provide fire resistant conveyor belting which mitigates the disadvantage of the above-discussed known fire resistant belts.
According to the present invention a conveyor belt comprises a reinforcement carcass having on at least that side which in use provides the working surface a cover comprising a chlorinated polyethylene compound bonded directly to the carcass.
The present invention therefore provides a conveyor belt capable of operating at elevated temperatures which has the advantages of a high coefficient of friction and high abrasion resistance due to the use of a rubber compound as the cover material but which is capable of bonding directly to the carcass thereby avoiding the disadvantages resulting from the use of an adhesive interlayer as required by the neoprene covered belt.
Furthermore we have surprisingly found that the chlorinated polyethylene (cpe) cover compound of the belt according to the present invention forms a foam structure when subjected to the flames of a fire thereby thermally insulating the underlying carcass with the result that the non-flam properties of the belt are better than a conveyor belt in which a neoprene compound having a similar chlorine content is used as the cover material. As aforementioned the neoprene cover compound is destroyed when subjected to similar conditions thereby exposing the underlying carcass and effectively accelerating the burning process.
In addition to the foregoing advantages the use of a cpe compound in place of a neoprene compound enables a considerable cost saving to be made. Thus the cost per unit volume of chlorinated polyethylene is approximately 20-30% less than that for neoprene.
The chlorinated polyethylene may be blended with one or more natural or synthetic rubbers e.g. neoprene. Preferably the chlorinated polyethylene is present in an amount from 10 to 100% of the rubber content and the chlorinated polyethylene with or without other rubber(s) is present in an amount not less than 30% by weight of the cover and preferably at least 40% by weight of the cover.
Preferably the cpe compound contains from 25 to 50% chlorine and more preferably from 36 to 42% chlorine.
Preferably the cpe compound contains a stabiliser to prevent hydrogen chloride being split off at elevated temperatures. Suitable stabilisers are caloxol CP2 (95% calcium oxide), Maglite DE (magnesium oxide), basic lead carbonate, Tribase (tribasic lead sulphate), and Dythal (dibasic lead phthalate.
Other preferred additives include flame retardant plasticisers, e.g. Pliabrac 519 (phosphate plasticiser), Disflamoll DPK (diphenyl cresyl phosphate), flame retardant fillers e.g. antimony trioxide, Martinal AS (alumina trihydrate), antistatic agents e.g. Loxiol GL 41 2 (glycol/lauric acid ester) and carbon black e.g. N762 black (semi-reinforcing furnace black).
Preferred physical characteristics for the cured cpe compound include a minimum tensile strength of 1 5 MN/m2, an elongation at break of at least 350%, a maximum abrasion volume loss of 200 cubic mm, a resilience (Tripsometer) greater than 45% and a Shore A hardness not exceeding 80 .
Preferably the belt has a cover/carcass adhesion strength of at least 4.5 kN/m at 20"C.
Preferably the cpe cover compound is bonded directly to the carcass on each side thereof.
The carcass reinforcement may be of woven or non-woven construction and may be formed from a textile material e.g. nylon, polyester, cotton or aramid or a non-textile material e.g. steel wire.
Preferably the carcass reinforcement is impregnated with an impregnant which completely fills the air spaces in the carcass reinforcement. Suitable impregnants are polyurethane and polyvinyl chloride applied as plastisols having a relatively low viscosity e.g. 4000-8000 cp at 20"C.
Polyvinyl chloride being the preferred impregnant where fire resistance is a desired feature in the finished belt.
Preferably the impregnant contains a bonding agent e.g. resorcinol/formaldehyde donor or resorcinol/HMT (hexamethylenetetramine).
According to a further aspect of the present invention a fire resistant conveyor belt comprises a pvc impregnated reinforcement carcass having on at least that side which in use provides the working surface a cover comprising a chlorinated polyethylene compound bonded directly to the carcass.
The invention will now be described in more detail by way of example only with reference to the accompanying drawing the single Figure of which is a transverse section through a conveyor belt according to the present invention.
The fire resistant conveyor belt 1 shown in the accompanying drawing comprises a solid woven nylon/polyester/cotton carcass 2 (10 mm thick) impregnated with pvc, an upper cover layer 3 (3 mm thick) and a lower cover layer 4 (3 mm thick). The cover layers are formed of chlorinated polyethylene having the following formulation: parts by weight chlorinated polyethylene (36% cl) 100 N762 black 25 Disflammol DPK 12.5 Maglite DE 3 Martinal AS 20 Antimony trioxide 3 Loxiol GL 412 3 Diethylthiourea 6 Sulphur 0.5 Manufacture of the above-described belt was as follows. Firstly the carcass 2 was impregnated by passing through a bath of pvc having a viscosity of 4000 cp at 20"C, removing excess pvc from the surface and solidifying the pvc by passing the impregnated carcass through an infra-red heater.The impregnated carcass 2 was subsequently covered by calendering cover layers 3, 4 of uncured chlorinated polyethylene of the appropriate thickness onto both sides and vulcanising the assembly at a temperature of 1 70 C for 10 minutes.
The resultant cured cpe compound of the cover layers 3, 4 had a tensile strength of 23 MN/m2, an elongation at break of 650%, an abrasion volume loss of 1 52 mm3, a resilience of 54% (Tripsometer) and a Shore A hardness of 67.
The cover to carcass adhesion strength of the above-described belt according to the present invention was compared with a known fire resistant belt comprising a similar pvc impregnated carcass and a neoprene cover (3 mm thick) having a similar chlorine content bonded to the carcass by a nitrile rubber interlayer (1 mm thick). The results are given in Table 1 below from which it is to be noted that the cover to carcass adhesion strength at elevated temperatures is significantly greater in the belt according to the present invention than in the known neoprene covered belt.
TABLE 1 cpe cover belt according to known neoprene invention cover belt cover/carcass adhesion strength at 20"C 10.2 MPa 6 MPa cover/carcass adhesion strength at 140"C 1.0 MPa 0.2 MPa The fire resistance performance of the belt according to the present invention is considerably improved as compared with the known neoprene covered belt.
It will be appreciated the invention is not restricted to the above-describeded embodiment, for example the chlorine content of the cpe compound may be varied between 25% and 50%. The types and the proportions of the additives and fillers and carbon black, may be varied, and other cure systems may be used. The carcass may be formed from other textile materials e.g. aramid fibres or non-textile materials e.g. steel wire and may be of any known construction woven or non-woven to provide the required load carrying capability for a given application of the belt.
For example the reinforcement carcass may comprise one or more layers of plies in which the reinforcing elements extend longitudinally of the belt or at a bias angle to the longitudinal direction as is well known in the art.

Claims (17)

1. A conveyor belt comprising a reinforcement carcass having on at least that side which in use provides the working surface a cover comprising a chlorinated polyethylene compound bonded directly to the carcass.
2. A belt according to claim 1 wherein the chlorinated polyethylene is blended with one or more natural or synthetic rubbers.
3. A belt according to claim 1 wherein the chlorinated polyethylene is present in an amount from 10 to 100% of the rubber content.
4. A belt according to any one of the preceding claims wherein the chlorinated polyethylene with or without other rubbers is present in an amount not less than 30% and preferably not less than 40% by weight of the cover.
5. A belt according to any one of the preceding claims wherein the chlorinated polyethylene compound contains from 25% to 50% and preferably 36% to 42% chlorine.
6. A belt according to any one of the preceding claims wherein the cured chlorinated polyethylene compound has a minimum tensile strength of 1 5 MN/m2.
7. A belt according to any one of the preceding claims wherein the cured chlorinated polyethylene compound has an elongation at break of at least 350%.
8. A belt according to any one of the preceding claims wherein the cured chlorinated polyethylene compound has a maximum abrasion volume loss of 200 cubic mm.
9. A belt according to any one of the preceding claims wherein the cured chlorinated polyethylene compound has a resilience greater than 45%.
10. A belt according to any one of the preceding claims wherein the cured chlorinated polyethylene compound has a Shore A Hardness not exceeding 80 .
11. A belt according to any one of the preceding claims wherein the cover/carcass adhesion strength is at least 4.5 KN/m at 20%.
1 2. A belt according to any one of the preceding claims wherein the carcass is of woven or non-woven construction and formed from textile or non-textile material.
1 3. A belt according to claim 1 2 wherein the carcass is impregnated so as to completely fill the air spaces therein.
1 4. A belt according to claim 1 3 wherein the impregnant has a viscosity in the range 4000-8000 centipose at 20"C.
1 5. A belt according to claim 14 wherein the impregnant contains a bonding agent.
1 6. A conveyor belt substantially as hereinbefore described with reference to the accompanying drawing.
17. A fire resistant conveyor belt comprising a pvc impregnated reinforcement carcass having on at least that side which in use provides the working surface a cover comprising a chlorinated polyethylene compound bonded directly to the carcass.
GB08322123A 1982-08-20 1983-08-17 Improvements in or relating to conveyor belting Withdrawn GB2125731A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8224036 1982-08-20

Publications (2)

Publication Number Publication Date
GB8322123D0 GB8322123D0 (en) 1983-09-21
GB2125731A true GB2125731A (en) 1984-03-14

Family

ID=10532439

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08322123A Withdrawn GB2125731A (en) 1982-08-20 1983-08-17 Improvements in or relating to conveyor belting

Country Status (7)

Country Link
AU (1) AU1816683A (en)
BE (1) BE897569A (en)
DE (1) DE3329848A1 (en)
FR (1) FR2537106A1 (en)
GB (1) GB2125731A (en)
NL (1) NL8302881A (en)
ZA (1) ZA835979B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0221313A1 (en) * 1985-10-02 1987-05-13 Bayer Ag Rubber compositions and covulcanisates thereof
US5234997A (en) * 1989-03-24 1993-08-10 Ube Industries, Ltd. Fiber-reinforced chlorinated polyethylene composition and process for production thereof
EP1164094A1 (en) * 2000-06-14 2001-12-19 Nordifa AB Conveyor belt
US9771219B2 (en) 2013-10-10 2017-09-26 Contitech Transportbandsysteme Gmbh Conveyor belt with high flexibility and at the same time high flame resistance

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB784318A (en) * 1953-05-15
GB851551A (en) * 1957-05-27 1960-10-19 Us Rubber Co Improvements in method of adhering butyl rubber to metal
GB929614A (en) * 1961-10-02 1963-06-26 Exxon Research Engineering Co Rubbery polymers and copolymers containing mixed halogens
GB954360A (en) * 1960-05-31 1964-04-02 Montedison Spa Vulcanization bonding of olefin copolymers
GB1020757A (en) * 1961-10-06 1966-02-23 Montedison Spa Process for the adhesive bonding of olefin copolymers to synthetic and natural fibres

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1000992B (en) * 1955-07-27 1957-01-17 Continental Gummi Werke Ag Process for the production of composite bodies from chlorosulfonated polyethylene and rubber or rubber-like substances
DE1635467B2 (en) * 1967-09-01 1972-09-28 Angus George Co Ltd Conveyor belt made of two or more webs of fabric
DE7400868U (en) * 1974-01-11 1977-08-04 Clouth Gummiwerke Ag, 5000 Koeln CONVEYOR BELT
US4376799A (en) * 1980-09-16 1983-03-15 The Dow Chemical Company Quiet film and container

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB784318A (en) * 1953-05-15
GB851551A (en) * 1957-05-27 1960-10-19 Us Rubber Co Improvements in method of adhering butyl rubber to metal
GB954360A (en) * 1960-05-31 1964-04-02 Montedison Spa Vulcanization bonding of olefin copolymers
GB929614A (en) * 1961-10-02 1963-06-26 Exxon Research Engineering Co Rubbery polymers and copolymers containing mixed halogens
GB1020757A (en) * 1961-10-06 1966-02-23 Montedison Spa Process for the adhesive bonding of olefin copolymers to synthetic and natural fibres

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0221313A1 (en) * 1985-10-02 1987-05-13 Bayer Ag Rubber compositions and covulcanisates thereof
US5234997A (en) * 1989-03-24 1993-08-10 Ube Industries, Ltd. Fiber-reinforced chlorinated polyethylene composition and process for production thereof
EP1164094A1 (en) * 2000-06-14 2001-12-19 Nordifa AB Conveyor belt
US9771219B2 (en) 2013-10-10 2017-09-26 Contitech Transportbandsysteme Gmbh Conveyor belt with high flexibility and at the same time high flame resistance

Also Published As

Publication number Publication date
NL8302881A (en) 1984-03-16
ZA835979B (en) 1985-12-24
FR2537106A1 (en) 1984-06-08
DE3329848A1 (en) 1984-02-23
BE897569A (en) 1984-02-20
GB8322123D0 (en) 1983-09-21
AU1816683A (en) 1984-02-23

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)