US2793151A - Fabric-reinforced flexible elastomeric article - Google Patents
Fabric-reinforced flexible elastomeric article Download PDFInfo
- Publication number
- US2793151A US2793151A US515655A US51565555A US2793151A US 2793151 A US2793151 A US 2793151A US 515655 A US515655 A US 515655A US 51565555 A US51565555 A US 51565555A US 2793151 A US2793151 A US 2793151A
- Authority
- US
- United States
- Prior art keywords
- fabric
- members
- strength
- 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.)
- Expired - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G5/00—V-belts, i.e. belts of tapered cross-section
- F16G5/12—V-belts, i.e. belts of tapered cross-section made of plastics
- F16G5/14—V-belts, i.e. belts of tapered cross-section made of plastics with reinforcement bonded by the plastic material
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/08—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
Definitions
- the invention relates to fabric reinforced wear resisting materials which are especially suitable for use in the construction of belting, hose and other flexible members which are subject to wear and tension in use (e. g. belting for the transmission of power or for use in a conveyor belt).
- the materials may however be used for other purposes.
- the invention provides a belt, hose or other flexible member having substantial tensile strength in one direction and of the kind comprising rubber, polyvinyl chloride or like material and a fabric reinforcement therefor, in which the fabric has the warp threads extending in the said direction, some of the warp threads have little crimp and are adapted to provide the tensile strength and others of the warp threads have substantial crimp thereby forming a ribbed structure of which the ribs afford a cover for the strengthproviding threads.
- the preferred structure of the fabric is that alternate warp threads or ends have little and substantial crimp respectively but other arrangements are within the invention. For example there may be two warp ends woven with little 'crimp to each one with substantial crimp or one end with little crimp to each two with substantial crimp.
- weft threads or picks lie on opposite sides, preferably alternately, of the strength-giving warp threads which have little or no crimp.
- the crimp of the strength-giving warp threads or ends is in the region of nil to 2.5% and about 100% to 160% for the cover warp ends.
- the crimp of the weft threads is preferably in the region of States Pat 2,793,151 Patented May 21, 1957 0.5% to 2.5%.
- the crimp is considered as being the increase in length of a thread which has been removed from the fabric and straightened (with stretch), over the length of that thread when in the fabric, expressed as a percentage of the length in the fabric.
- Figure 1 shows a longitudinal section through a portion of a conveyor belt
- Figure 2 is a side view of a portion of a V belt
- FIG. 3 is a section through the V belt
- Figure 4 is a longitudinal section through a length of hose
- the alternate warp threads 13 are woven under substantially less tension and accordingly have substantial crimp thereby providing, on each side of the fabric, ribs 14 which extend cross-wise of the belt.
- the weft threads, which also extend cross-wise and from the cores of the ribs, are shown at 15.
- Figures 2 and 3 show the application of the invention to a V belt.
- the fabric is around the surface of the belt as shown at 17.
- the ribs 14 and weft threads extend around the belt.
- the fabric is of much finer structure than that employed in the previous example.
- the construction has the advantage that the ribs provide a good gripping surface.
- Figure 4 illustrates a hose incorporating a fabric reinforcement 20 which is according to either of the foregoing examples.
- the fabric is covered by an inner lining tube 21 and an outer cover tube 22, both bonded to the fabric by impregnation of the fabric.
- the fabric constitutes an outer cover layer for a hose, the grooves between the ribs being filled with rubber or plastic material.
- the warp threads extend axially.
- the fabric may be woven in tubular form and may be lighter than those employed for belts (e. g. between 5 oz. and 22 oz. per square yard).
- the fabric used in carrying out the invention may be wholly or partly of rayon, Terylene, nylon, glass, wire and like materials.
- a flexible elastomeric article comprising a woven reinforcing fabric having contoured opposing surfaces of alternating parallel ribs and grooves and including parallel substantially uncrimped tension-resistant internal strength Warp members disposed transversely to said ribs and grooves, and a flexible elastomeric cover material impregnated into and adhered to said opposing surfaces of the fabric and filling said grooves.
- a flexible reinforced elastomeric article comprising a fabric having parallel substantially uncrimped tensionresistant strength warp members, substantially uncrimped weft members arranged on opposite sides of said strength Warp members, and highly crimped cover warp members interlaced with said weft members intermediate said strength warp members, said cover Warp members providing a surface contour for opposing sides of the fabric of alternating ribs and grooves transverse to said strength warp members, and a flexible elastomeric cover material adhered to said opposing surfaces of the fabric and filling said grooves.
- a flat flexible belt having a reinforced carcass comprising the structure defined in claim 2, said strength warp members of said structure extending longitudinally of the belt.
- a flexible hose having a reinforced wall comprising the structure defined in claim 2, said strength warp "members of said structure extending longitudinally of the hose.
- a side driving belt having an external wrapper on the side-driving faces thereof formed as structurally defined in claim 2.
- a flexible elastomeric article comprising a reinforcing fabric having parallel tension-resistant nylon warp threads having a crimp of less than about 2.5%, weft threads alternatingly arranged on opposite sides of said strength warp threads and having a crimp of less than about 2.5 and cotton cover warp threads parallel said nylon warp threads and interlaced with said weft threads intermediate said strength warp threads with a crimp in the range of about to to provide a fabric surface contour of alternating ribs and grooves transverse to said strength Warp threads, and a flexible elastomeric cover material adhered to said opposing surfaces of the fabric and filling said grooves, said material in said grooves serving as keying members to interlock said cover material with said fabric.
- a flexible elastomeric article comprising a fabric having parallel substantially uncrimped tension-resistant nylon Warp members, substantially uncrimped weft members arranged on opposite sides of said nylon warp members, and highly crimped cotton cover warp members interlaced with said weft members intermediate said nylon warp members, said cover warp members providing a surface contour for opposing sides of the fabric of alternating ribs and grooves transverse to said nylon warp members, and flexible elastomeric material adhered to said opposing surfaces of the fabric and filling said grooves.
Description
M. ARNETT May 21,- 1957 FABRiC-REINFORCED FLEXIBLE ELASTOMERIC ARTICLE Filed June 15, 195 5 1 I VENTOR- MYHIcK- ARNET BY mL w FABRIC-REINFORCED FLEXIBLE ELASTOMERIC ARTICLE Meyrick Arnett, Leyland, England, assignor to British Tyre & Rubber Company Limited, London, England, a British company Application June 15, 1955, Serial No. 515,655
Claims priority, application Great Britain June 17, 1954 7 Claims. (Cl. 15452.1)
The invention relates to fabric reinforced wear resisting materials which are especially suitable for use in the construction of belting, hose and other flexible members which are subject to wear and tension in use (e. g. belting for the transmission of power or for use in a conveyor belt). The materials may however be used for other purposes.
The invention provides wear resisting material comprising a ribbed fabric covered at least to the extent of filling the grooves between the ribs, with an elastomeric material such as natural or synthetic rubber, polyvinyl chloride or like plastic.
More specifically the invention provides a belt, hose or other flexible member having substantial tensile strength in one direction and of the kind comprising rubber, polyvinyl chloride or like material and a fabric reinforcement therefor, in which the fabric has the warp threads extending in the said direction, some of the warp threads have little crimp and are adapted to provide the tensile strength and others of the warp threads have substantial crimp thereby forming a ribbed structure of which the ribs afford a cover for the strengthproviding threads.
The invention has the advantages that the cover threads may protect the strength-providing threads against wear either initially or after an outer coyer layer (e. g. of natural or synthetic rubber or polyvinyl chloride) has been worn off, that the grooves between the ribs of the cover provide an effective key by which such an outer cover layer which is itself wear resisting, may be secured and that when the fabric is at the surface of a belt (e. g. in a V driving belt) the ribbed formation provides an effective friction surface. In the case of a hose, the cover threads protect the strength-providing threads against Wear due, for example, to abrasion by being dragged along the ground.
The fabric may be of metal but is preferably of textile material formed, for example, of the normal yarn used in the production of belting or hose reinforcement. In one example of a material used in the invention, the strength-giving warp threads are of staple nylon and the remaining warp threads and the weft are of cotton yarn.
The preferred structure of the fabric is that alternate warp threads or ends have little and substantial crimp respectively but other arrangements are within the invention. For example there may be two warp ends woven with little 'crimp to each one with substantial crimp or one end with little crimp to each two with substantial crimp.
In the fabric employed in the invention the weft threads or picks lie on opposite sides, preferably alternately, of the strength-giving warp threads which have little or no crimp.
It is preferred that the crimp of the strength-giving warp threads or ends is in the region of nil to 2.5% and about 100% to 160% for the cover warp ends. The crimp of the weft threads is preferably in the region of States Pat 2,793,151 Patented May 21, 1957 0.5% to 2.5%. The crimp is considered as being the increase in length of a thread which has been removed from the fabric and straightened (with stretch), over the length of that thread when in the fabric, expressed as a percentage of the length in the fabric.
The following are examples of fabrics suitable for use as reinforcement in conveyor belts:
In each of the above fabrics the warp threads are arranged with strength-giving and cover ends alternately.
In the accompanying drawings which are diagrammatic and show the fabric on an exaggerated scale:
Figure 1 shows a longitudinal section through a portion of a conveyor belt,
Figure 2 is a side view of a portion of a V belt,
Figure 3 is a section through the V belt,
Figure 4 is a longitudinal section through a length of hose, and
Figure 5 is a view showing a portion of fabric used in the examples. In the belt shown in Figure 1 the reinforcement 10 is covered on each side with layers 11 of polyvinyl chloride. The fabric is impregnated with polyvinyl chloride and the polyvinyl chloride layers are secured to the fabric by bonding with the impregnation. 'Ihe reinforcement employed is in accordance with the first of the above examples and is shown in Figure 5. The fabric is arranged with the warp threads extending lengthwise of the belt. In the production of the fabric the warp threads 12 are woven under substantial tension and, as stated above, have little cn'mp. The alternate warp threads 13 are woven under substantially less tension and accordingly have substantial crimp thereby providing, on each side of the fabric, ribs 14 which extend cross-wise of the belt. The weft threads, which also extend cross-wise and from the cores of the ribs, are shown at 15.
Figures 2 and 3 show the application of the invention to a V belt. In this application the fabric is around the surface of the belt as shown at 17. The ribs 14 and weft threads extend around the belt. The fabric is of much finer structure than that employed in the previous example. The construction has the advantage that the ribs provide a good gripping surface.
Figure 4 illustrates a hose incorporating a fabric reinforcement 20 which is according to either of the foregoing examples. The fabric is covered by an inner lining tube 21 and an outer cover tube 22, both bonded to the fabric by impregnation of the fabric.
In an alternative form of hose the fabric constitutes an outer cover layer for a hose, the grooves between the ribs being filled with rubber or plastic material. The warp threads extend axially. The fabric may be woven in tubular form and may be lighter than those employed for belts (e. g. between 5 oz. and 22 oz. per square yard).
The fabric used in carrying out the invention may be wholly or partly of rayon, Terylene, nylon, glass, wire and like materials.
I claim: 7
l. A flexible elastomeric article comprising a woven reinforcing fabric having contoured opposing surfaces of alternating parallel ribs and grooves and including parallel substantially uncrimped tension-resistant internal strength Warp members disposed transversely to said ribs and grooves, and a flexible elastomeric cover material impregnated into and adhered to said opposing surfaces of the fabric and filling said grooves.
2. A flexible reinforced elastomeric article comprising a fabric having parallel substantially uncrimped tensionresistant strength warp members, substantially uncrimped weft members arranged on opposite sides of said strength Warp members, and highly crimped cover warp members interlaced with said weft members intermediate said strength warp members, said cover Warp members providing a surface contour for opposing sides of the fabric of alternating ribs and grooves transverse to said strength warp members, and a flexible elastomeric cover material adhered to said opposing surfaces of the fabric and filling said grooves.
3. A flat flexible belt having a reinforced carcass comprising the structure defined in claim 2, said strength warp members of said structure extending longitudinally of the belt.
4. A flexible hose having a reinforced wall comprising the structure defined in claim 2, said strength warp "members of said structure extending longitudinally of the hose.
5. A side driving belt having an external wrapper on the side-driving faces thereof formed as structurally defined in claim 2.
6. A flexible elastomeric article comprising a reinforcing fabric having parallel tension-resistant nylon warp threads having a crimp of less than about 2.5%, weft threads alternatingly arranged on opposite sides of said strength warp threads and having a crimp of less than about 2.5 and cotton cover warp threads parallel said nylon warp threads and interlaced with said weft threads intermediate said strength warp threads with a crimp in the range of about to to provide a fabric surface contour of alternating ribs and grooves transverse to said strength Warp threads, and a flexible elastomeric cover material adhered to said opposing surfaces of the fabric and filling said grooves, said material in said grooves serving as keying members to interlock said cover material with said fabric.
7. A flexible elastomeric article comprising a fabric having parallel substantially uncrimped tension-resistant nylon Warp members, substantially uncrimped weft members arranged on opposite sides of said nylon warp members, and highly crimped cotton cover warp members interlaced with said weft members intermediate said nylon warp members, said cover warp members providing a surface contour for opposing sides of the fabric of alternating ribs and grooves transverse to said nylon warp members, and flexible elastomeric material adhered to said opposing surfaces of the fabric and filling said grooves.
References Cited in the tile of this patent UNITED STATES PATENTS 2,073,227 Shearer Mar. 9, 1937 2,147,218 Reimel Feb. 14, 1939 2,446,310 Steinke Aug. 3, 1948 2,505,354 Gartrell et a1 Apr. 25, 1950 2,516,465 Jackson July 25, 1950 2,703,774 Morrison Mar. 8, 1955 2,714,405 Hoeselbarth Aug. 2, 1955
Claims (2)
- 2. A FLEXIBLE REINFORCED ELASTOMERIC ARTICLE COMPRISING A FABRIC HAVING A PARALLEL SUBSTANTIALLY UNCRIMPED TENSIONRESISTANT STRENGTH WRAP MEMBERS, SUBSTANTIALLY UNCRIMPED WEFT MEMBERS ARRANGED ON OPPOSITE SIDSE OF SAID STRENGTH WRAP MEMBERS, AND HIGHLY CRIMPED COVER WRAP MEMBERS INTERLACED WITH SAID WEFT MEMBERS INTERMEDIATE SAID STRENGTH WRAP MEMBERS, SAID COVER WRAP MEMBERS PROVIDING A SURFACE CONTOUR FOR OPPOSING SIDES OF THE FABRIC OF ALTERNATING RIBS AND GROOVES TRANSVERSE TO SAID STRENGTH WRAP MEMBERS, AND A FLEXIBLE ELASTOMERIC COVER MATERIAL ADHERED TO SAID OPPOSING SURFACES OF THE FABRIC AND FILLING SAID GROOVES.
- 3. A FLAT FLEXIBLE BELT HAVING A REINFORCED CARCASS COMPRISING THE STRUCTURE DEFINED IN CLAIM 2, SAID STRENGTH WRAP MEMBERS OF SAID STRUCTURE EXTENDING LONGITUDINALLY OF THE BELT.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2793151X | 1954-06-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
US2793151A true US2793151A (en) | 1957-05-21 |
Family
ID=10915436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US515655A Expired - Lifetime US2793151A (en) | 1954-06-17 | 1955-06-15 | Fabric-reinforced flexible elastomeric article |
Country Status (2)
Country | Link |
---|---|
US (1) | US2793151A (en) |
BE (1) | BE575920Q (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2984594A (en) * | 1957-08-06 | 1961-05-16 | Russell Mfg Co | Center pitch line belt |
DE1108657B (en) * | 1959-08-05 | 1961-06-15 | Continental Gummi Werke Ag | Process for the production of polyvinyl chloride textile layer bodies with a textile core which is preferably subjected to tensile stress, in particular conveyor belts or drive belts |
US2995176A (en) * | 1956-11-28 | 1961-08-08 | Dayco Corp | V-belt construction |
US3086274A (en) * | 1958-05-19 | 1963-04-23 | Btr Industries Ltd | Method of making composite products incorporating textile fabrics |
US3205119A (en) * | 1961-02-16 | 1965-09-07 | Kleber Colombes | Reinforcements for objects made from rubber or plastic material |
DE1200782B (en) * | 1959-11-03 | 1965-09-16 | Continental Gummi Werke Ag | Process for the production of conveyor belts or drive belts from thermoplastics with a thick textile insert |
US3260641A (en) * | 1961-05-26 | 1966-07-12 | Montedison Spa | Vulcanization bonding of ethylene alpha-olefin copolymer with a chlorosulfonated copolymer inner layer |
US3263613A (en) * | 1964-05-28 | 1966-08-02 | Atlantic Res Corp | Elastic sheet |
US3446252A (en) * | 1967-09-05 | 1969-05-27 | Uniroyal Inc | Belt fabric |
EP0107646A1 (en) * | 1982-10-20 | 1984-05-02 | Roderich Winkler | V-belt with deformed reinforcement, and method to form a closed loop thereof |
EP0328511A1 (en) * | 1988-02-09 | 1989-08-16 | Highland Industries, Inc. | Producing improved V-belt bare-back cover fabric |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2073227A (en) * | 1934-02-06 | 1937-03-09 | C H Masland & Sons Inc | Carpet weaving |
US2147218A (en) * | 1936-11-11 | 1939-02-14 | Goodrich Co B F | Mold for and method of molding rubber articles |
US2446310A (en) * | 1945-01-16 | 1948-08-03 | Gates Rubber Co | V-type belt |
US2505354A (en) * | 1946-08-15 | 1950-04-25 | Us Rubber Co | Mechanical belt |
US2516465A (en) * | 1947-01-24 | 1950-07-25 | Bigelow Sanford Carpet Co Inc | Method and apparatus for weaving pile fabrics |
US2703774A (en) * | 1949-11-18 | 1955-03-08 | Owens Corning Fiberglass Corp | Glass fabric structure and method |
US2714405A (en) * | 1950-06-19 | 1955-08-02 | Masland C H & Sons | Pile carpet |
-
1955
- 1955-06-15 US US515655A patent/US2793151A/en not_active Expired - Lifetime
-
1959
- 1959-02-20 BE BE575920A patent/BE575920Q/en active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2073227A (en) * | 1934-02-06 | 1937-03-09 | C H Masland & Sons Inc | Carpet weaving |
US2147218A (en) * | 1936-11-11 | 1939-02-14 | Goodrich Co B F | Mold for and method of molding rubber articles |
US2446310A (en) * | 1945-01-16 | 1948-08-03 | Gates Rubber Co | V-type belt |
US2505354A (en) * | 1946-08-15 | 1950-04-25 | Us Rubber Co | Mechanical belt |
US2516465A (en) * | 1947-01-24 | 1950-07-25 | Bigelow Sanford Carpet Co Inc | Method and apparatus for weaving pile fabrics |
US2703774A (en) * | 1949-11-18 | 1955-03-08 | Owens Corning Fiberglass Corp | Glass fabric structure and method |
US2714405A (en) * | 1950-06-19 | 1955-08-02 | Masland C H & Sons | Pile carpet |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2995176A (en) * | 1956-11-28 | 1961-08-08 | Dayco Corp | V-belt construction |
US2984594A (en) * | 1957-08-06 | 1961-05-16 | Russell Mfg Co | Center pitch line belt |
US3086274A (en) * | 1958-05-19 | 1963-04-23 | Btr Industries Ltd | Method of making composite products incorporating textile fabrics |
DE1108657B (en) * | 1959-08-05 | 1961-06-15 | Continental Gummi Werke Ag | Process for the production of polyvinyl chloride textile layer bodies with a textile core which is preferably subjected to tensile stress, in particular conveyor belts or drive belts |
DE1200782B (en) * | 1959-11-03 | 1965-09-16 | Continental Gummi Werke Ag | Process for the production of conveyor belts or drive belts from thermoplastics with a thick textile insert |
US3205119A (en) * | 1961-02-16 | 1965-09-07 | Kleber Colombes | Reinforcements for objects made from rubber or plastic material |
US3260641A (en) * | 1961-05-26 | 1966-07-12 | Montedison Spa | Vulcanization bonding of ethylene alpha-olefin copolymer with a chlorosulfonated copolymer inner layer |
US3263613A (en) * | 1964-05-28 | 1966-08-02 | Atlantic Res Corp | Elastic sheet |
US3446252A (en) * | 1967-09-05 | 1969-05-27 | Uniroyal Inc | Belt fabric |
EP0107646A1 (en) * | 1982-10-20 | 1984-05-02 | Roderich Winkler | V-belt with deformed reinforcement, and method to form a closed loop thereof |
EP0328511A1 (en) * | 1988-02-09 | 1989-08-16 | Highland Industries, Inc. | Producing improved V-belt bare-back cover fabric |
Also Published As
Publication number | Publication date |
---|---|
BE575920Q (en) | 1959-06-15 |
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