US1256011A - Endless belt and method of making the same. - Google Patents
Endless belt and method of making the same. Download PDFInfo
- Publication number
- US1256011A US1256011A US75632013A US1913756320A US1256011A US 1256011 A US1256011 A US 1256011A US 75632013 A US75632013 A US 75632013A US 1913756320 A US1913756320 A US 1913756320A US 1256011 A US1256011 A US 1256011A
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- US
- United States
- Prior art keywords
- belt
- strand
- courses
- endless
- core
- 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
- F16G5/04—V-belts, i.e. belts of tapered cross-section made of rubber
- F16G5/06—V-belts, i.e. belts of tapered cross-section made of rubber with reinforcement bonded by the rubber
Definitions
- Mme/ape come n. emitters-n, or Amen, OHIO, Assrenon to THE B. r. eoonmcn COMPANY, or
- Figure 1 represents a view of the spliced core strand.
- Fig. 2 represents the cover strand being wound on.
- Fig. 3 represents a' portion of the completed belt body.
- Fig. 4 represents-a section of the belt pro- .vided with a rubber incasement.
- the cover strand is separate from the core strand.
- I could make preferred to proceed ,as indicated in the drawings, according to which I first take a strand of ropeor cord 10., and splice its ends as indicated at 11 to form an endless core.
- the principal use of the core is to furnish something on which to wind the cover strand
- cover strand 12 which may also be made of twisted fibrous threads, has its end secured to the core with a binding of thread 13.
- This cover strand may conveniently be unwound from a storage reel 14, which is passed around andthrough the loop of the core strand, and the operation of winding may be. performed by hand or in any other suitable way.
- the strand 12 In winding the strand 12, it is wrapped around the core as an open or steep-pitched helix, the space between whose turns is socalculated as to leave room for the desired number of subsequent courses of the same strand in said space;
- the term course refers to one circuit of the helical winding.
- theend of the cover-strand may be anchored in any suitable way, as by a binding'of thread (not shown).
- the result is an endless round belt or cable whose body winding has no splice in the proper sense, and hence is of uniform tensile-strength in all parts, the belt being also capable of bending easily in any direction without causing dipped in rubber cement and wrapped with a covering of vulcanizable sheet rubber.
- the belt is then placed in an expanding mold of appropriate construction and vulit is given first one, longitudia suitable external form, the stretch taken out, and the rubber caused to permanently coat and permeate the body.
- the vulcanized rubber binds together the fibrous courses and serves to hold all of the strands in their stretched, tense, or elongated condition.
- Such belts are particularly suited to driving light machinery, such as fans,.for example, but may be employed for many purposes.
- cover courses could, without departing from my invention, be wound somewhat more quickly with two or more strands at the same time, as will be obvious without illustration, but ll do not consider such a method as desirable as the one here represented.
- I clairriz- I 1 An endless, substantially non-stretchable belt comprising a tense strand of fibrous material wound in a continuous series of adjacent courses longitudinally of the belt, and vulcanized rubber serving to 'bind together said courses and hold them in their stretched condition.
- An endless substantially non-stretchable belt comprising a tense endless spliced core-strand of fibrous material, a tense cover strand of fibrous material wound helically about said core-strand in a continuous series of belt-encircling courses, the turnsof each course lyin course, an forming the wearingsurface of the belt, embedding and binding together the coverstrands and serving to hold the latter and the core strand in their tense condition.
- An endless, substantially non-stretchable belt comprising a tense strand of fibrous material wound in a series of adjacent parallel courses longitudinally of the belt, and vulcanized rubber within and at the surface of the belt, serving to bind together and hold'said courses in theirstretched condition and to form a. driving surface.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Description
J. R. GAMMETER ENDLESS BELT AND METHOD OF MAKING THE SAME.
APPLICATION FILED MAR-24.1913.
Patented Feb.
Mme/ape come n. emitters-n, or Amen, OHIO, Assrenon to THE B. r. eoonmcn COMPANY, or
new YORK, n. 32., a conr "EU a' pee ear-ear enrich.
ORATION OF NEW YORK.
ENDLESS BELT AND METHOD OF MAKING THE SAME.
anaemia;
To all whom it may concern." Be it known that 1, JOHN R. GAMMETER, a citizen of the United States, residing at Akron, in the .county of Summit and State of Ohio, have invented certain new and useful Improvements in Endless Belts and Methods of Making the Same, of which the following is a specification. '7 This invention has for its object the production of an endless driving belt which shall be of uniform tensile strength in all portions, and and durability. i
Of the accompanying drawings, Figure 1 represents a view of the spliced core strand. Fig. 2 represents the cover strand being wound on.
Fig. 3 represents a' portion of the completed belt body. 201
Fig. 4 represents-a section of the belt pro- .vided with a rubber incasement.
As here shown, the cover strand is separate from the core strand. Although I could make preferred to proceed ,as indicated in the drawings, according to which I first take a strand of ropeor cord 10., and splice its ends as indicated at 11 to form an endless core.
The principal use of the core is to furnish something on which to wind the cover strand,
. but when made of stranded or twisted fibrous threads, it also limits the extensibility of the belt. Next, the cover strand 12, which may also be made of twisted fibrous threads, has its end secured to the core with a binding of thread 13. This cover strand may conveniently be unwound from a storage reel 14, which is passed around andthrough the loop of the core strand, and the operation of winding may be. performed by hand or in any other suitable way.
In winding the strand 12, it is wrapped around the core as an open or steep-pitched helix, the space between whose turns is socalculated as to leave room for the desired number of subsequent courses of the same strand in said space; The term course refers to one circuit of the helical winding. Thus, if the completed cover 15, of which a short length is shown in Fig. 3, is to constitute a five-thread helix, the initial spacingof the turns willbe such as to admit four more turns constituting the succeeding courses, and the winding is continued until Specification of Letters Patent.
one acontinuati'on of the other, it is .canized under tension, whereby Patented Feb. 1L2, 119118.
a lication filed March 2a, 1913. Serial No. 756,320.
all this space is filled. In other words, after one belt-encircling course or wrapping of the cover-strand 12 has been laid on to the core or supporting strand 11, and brought around to the point where it was begun, the. windmg will be continued to lay a second course adjacent to the nally of the belt, this second coursebeing shown In Fig. 2 in process of being laid, and so on. v
"After the laying of helical courses has been repeated until the entire core-strand is covered, theend of the cover-strand may be anchored in any suitable way, as by a binding'of thread (not shown). The result is an endless round belt or cable whose body winding has no splice in the proper sense, and hence is of uniform tensile-strength in all parts, the belt being also capable of bending easily in any direction without causing dipped in rubber cement and wrapped with a covering of vulcanizable sheet rubber. The belt is then placed in an expanding mold of appropriate construction and vulit is given first one, longitudia suitable external form, the stretch taken out, and the rubber caused to permanently coat and permeate the body. The vulcanized rubber binds together the fibrous courses and serves to hold all of the strands in their stretched, tense, or elongated condition. Such belts are particularly suited to driving light machinery, such as fans,.for example, but may be employed for many purposes.
The cover courses could, without departing from my invention, be wound somewhat more quickly with two or more strands at the same time, as will be obvious without illustration, but ll do not consider such a method as desirable as the one here represented.
I believe myself to be the first to form an endless belt by winding a strand or cord of fibrous material helically in successive paral lel courses,
rubberizing said cord, and vul-' canizing the belt while under tension, and therefore do not confine the invention wholly to the exact shape or structure disclosed, or the exact details and order of the steps herein set forth.
I clairriz- I 1. An endless, substantially non-stretchable belt comprising a tense strand of fibrous material wound in a continuous series of adjacent courses longitudinally of the belt, and vulcanized rubber serving to 'bind together said courses and hold them in their stretched condition.
2. An endless substantially non-stretchable belt comprising a tense endless spliced core-strand of fibrous material, a tense cover strand of fibrous material wound helically about said core-strand in a continuous series of belt-encircling courses, the turnsof each course lyin course, an forming the wearingsurface of the belt, embedding and binding together the coverstrands and serving to hold the latter and the core strand in their tense condition.
3. The method of forming a substantially non-stretchable endless belt which consists in winding a fibrous strand in acontinuous series of adjacent courses longitudinally of the belt, incorporating rubber with said between the turns of another a vulcanized rubbencoatingstrand, and vulcanizing said rubber while the belt is held under tension. I
4. The method of forming an endless belt which consists in winding a fibrous cord helically in a series of adjacent parallel courses, incorporating rubber therewith,
stretching the belt and vulcanizing it as a whole while under tension.
5. The method of forming an endless belt which consists in winding'a fibrous cord in successive parallel courses helically about a coreso that the turns of each course lie. between the turns of another course, incorporating rubber therewith stretching the belt and vulcanizing it while'under tension.
6. An endless, substantially non-stretchable belt comprising a tense strand of fibrous material wound in a series of adjacent parallel courses longitudinally of the belt, and vulcanized rubber within and at the surface of the belt, serving to bind together and hold'said courses in theirstretched condition and to form a. driving surface.
In testimony whereof I have hereunto setmy hand in the presence of two subscribing witnesses, this 8 day of March 1913.-
JOHN R. GAMMETER. v
Witnesses:
WALTER K. MEANS, ILLA N. Knm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US75632013A US1256011A (en) | 1913-03-24 | 1913-03-24 | Endless belt and method of making the same. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US75632013A US1256011A (en) | 1913-03-24 | 1913-03-24 | Endless belt and method of making the same. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1256011A true US1256011A (en) | 1918-02-12 |
Family
ID=3323704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US75632013A Expired - Lifetime US1256011A (en) | 1913-03-24 | 1913-03-24 | Endless belt and method of making the same. |
Country Status (1)
Country | Link |
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US (1) | US1256011A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3992959A (en) * | 1974-03-07 | 1976-11-23 | Industrie Pirelli S.P.A. | Tension resistant structure for driving belts and the like |
US20040033857A1 (en) * | 2002-08-13 | 2004-02-19 | Susan Welk | Belt |
-
1913
- 1913-03-24 US US75632013A patent/US1256011A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3992959A (en) * | 1974-03-07 | 1976-11-23 | Industrie Pirelli S.P.A. | Tension resistant structure for driving belts and the like |
US20040033857A1 (en) * | 2002-08-13 | 2004-02-19 | Susan Welk | Belt |
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