US2543903A - Tape belt - Google Patents
Tape belt Download PDFInfo
- Publication number
- US2543903A US2543903A US564668A US56466844A US2543903A US 2543903 A US2543903 A US 2543903A US 564668 A US564668 A US 564668A US 56466844 A US56466844 A US 56466844A US 2543903 A US2543903 A US 2543903A
- Authority
- US
- United States
- Prior art keywords
- tape
- belt
- yarns
- cellulose acetate
- lapped
- 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
Links
- 229920002301 cellulose acetate Polymers 0.000 description 17
- 239000004744 fabric Substances 0.000 description 14
- 229920000742 Cotton Polymers 0.000 description 8
- 238000007127 saponification reaction Methods 0.000 description 8
- 239000002759 woven fabric Substances 0.000 description 7
- 229920002678 cellulose Polymers 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004627 regenerated cellulose Substances 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 2
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229920013683 Celanese Polymers 0.000 description 1
- 229920008347 Cellulose acetate propionate Polymers 0.000 description 1
- DQEFEBPAPFSJLV-UHFFFAOYSA-N Cellulose propionate Chemical compound CCC(=O)OCC1OC(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C1OC1C(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C(COC(=O)CC)O1 DQEFEBPAPFSJLV-UHFFFAOYSA-N 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- -1 aliphatic amines Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 229920006217 cellulose acetate butyrate Polymers 0.000 description 1
- 229920001727 cellulose butyrate Polymers 0.000 description 1
- 229920006218 cellulose propionate Polymers 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 235000019794 sodium silicate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- F16G1/00—Driving-belts
- F16G1/04—Driving-belts made of fibrous material, e.g. textiles, whether rubber-covered or not
-
- 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
- F16G3/00—Belt fastenings, e.g. for conveyor belts
- F16G3/10—Joining belts by sewing, sticking, vulcanising, or the like; Constructional adaptations of the belt ends for this purpose
-
- 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
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/16—Belt fasteners
- Y10T24/1664—Splices
Definitions
- This invention relates to tape belts, and relates more particularly to fabric tape belts for ring twisting machines and like textile'devices.
- Fabric tape belts for use in textile devices are normally woven cotton webs of narrow width.
- Such cotton tape belts have a relatively short operational life, namely on the order of 80 days. It is, therefore, an important object of this invention to provide a fabric tape belt which will not only have a longer operational life than a cotton belt, but which will also have other improved characteristics.
- Another object of this invention isthe provision of a fabric tape belt made of relatively strong yarns or filaments having a basis of a cellulose ester.
- a further object of this invention is the provision of a novel method of preparing fabric tape belts.
- Figure 1 is a plan view of a fabric tape prepared in accordance with this invention, prior to havin its ends lapped and joined to form a belt,
- FIG 2 is a perspective view of the fabric tape belt formed from the fabric tape shown in Figure 1, and
- Figure 3 is a detail cross-sectional view, on a Slightly enlarged scale, of the lap of the fabric tape belt shown in Figure 2.
- the reference numeral 4 indicate a fabric tape preferably woven
- the tape may be woven in the desired narrow width, usually and 1 /2", on a suitable loom, Or the tape may be cut by means of a hot knife, which cuts and simultaneously seals the cut edge against raveling, from wide fabric webs of desired textile construction.
- the tapes are woven on suitable looms which looms provide the edges with a selvedge whereby the tape belts may be used for a considerable length of time without fraying of the edges.
- the webs both narrow and wide,'be woven wholly from cellulose acetate yarn, they may also be woven from cellulose acetate yarn mixed with other yarns, i. e.
- the woven fabric web may be a mixed fabric containin cellulose acetate yarn alternating either in the warp or in the weft, or in both the warp and the weft, in any desired degree of alternation, with other thermoplastic yarns or yarns of non-thermoplastic fibers, such as cotton, regenerated cellulose, etc.
- the tape may be prepared in such a manner that either the Warp or the weft consists wholly of cellulose acetate yarn while the other component consists of non-thermoplastic yarn.
- the cellulose acetate yarn employed in preparing the tape belts in thi invention is of high" tensile strength.
- Such strong yarns are produced by stretching the, cellulose acetate yarn under suitable conditions.
- the cellulose acetate yarn, or the cellulose acetate filaments from which the yarn is prepared may be subjected to a stretching operation in presence of solvents or swelling agents for the cellulose acetate, such as dioxane, acetone, acetic acid and diacetone alcohol, either in the form of aqueous solutions thereof or in the vapor state.
- a particularly satisfactory method of treating the filamentary materials having a basis of cellulose acetate to increase the tensile strength thereof is to subject them to a stretching operation in the presence of water, or saturated or wet steam under pressure at a temperature above C.
- the degree of stretch to which the filamentary materials are subjected is preferably on the order of 200% or more. While the materials stretched are preferably continuous filaaments or yarns composed of continuous filaments, they may be spun yarn made of short or more or less long lengths of filaments.
- Tapes made of stretched cellulose acetate yarn are much superior than cotton tapes when employed as spindle belts since the cellulose acetate tapes have an elongation of over 50% less than the cotton tapes and have a Serigraph break of 530 pounds against 480 pounds for the cotton tapes, when the tapes are conditioned, and a serigraph break of 564 pounds against 365 pounds for the cotton tapes in the bone-dry state.
- the tape 4 of stretched cellulose acetate yarn is lapped and sewnat the lap by suitable stitching shown at 6 in Figures 2 and 3.
- the ends I and 8 of the tape 4 which form the lap of the belt 5 are first treated to reduce the thickness thereof by subjecting said ends I and B to a saponification treatment.
- This saponification treatment not only causes the ends to be reduced in thickness, but also changes the chemical composition and increases the tensile strength of the yarns in th area saponified.
- the saponification of ends I and 8 may be effected by treating said ends with any suitable saponifyings agent, either inorganic or organic.
- suitable saponifyings agent either inorganic or organic.
- inorganic saponifying agents are ammonium, caustic soda, caustic potash and sodium silicate
- organic saponifying agents are organic nitrogenous bases, such as lower aliphatic amines, polymethyleneamines, for example, cyclohexylamine, N-alkyl and aralkyl substitution derivatives thereof and heterocyclic bases, for example piperidine.
- the degree of saponification of the, ends 1 and 8 of the tape 4 is such that the thickness of the tape at said ends is reduced from 60 to 65% of its original thickness so that the thickness of the lap formed in belt. 5 is from. 120- to. 130% of the thickness. of the. tape, thus. approaching the quality of an endless belt.v
- cellulose acetate butyrate may also be employed'to. formthe fabric tape.
- a belt comprising a woven fabric tape consisting essentially of yarns having a basis of a cellulose ester and having integral ends reduced. in thickness by a saponification treatment, said ends being lapped and positively joined at the lapped portions.
- a belt comprising a woven fabric tape consisting essentially of yarns having a basis of cellulose acetate and having integral ends reduced in thickness by a saponification treatment, said ends being lapped and positively joined at the lapped portions.
- a belt comprising a woven fabric tape consisting essentially of stretched. yarns having a basis of a cellulose ester and having integral ends reduced in thickness by a saponification treatment, said ends being lapped and positively joined at the lapped portions.
- a belt comprising a woven fabric tape consisting essentially of stretched yarns having a basis of cellulose acetate and having integral ends reduced, in thickness by a saponification treatment, said ends being lapped and positively joined at the lapped portions.
- a belt comprising a woven fabric tape consisting essentially of stretched cellulose ester yarns. and. having integral. endsv of regenerated cellulose, said endsbeing lapped and positively joined at the lapped portions.
- a belt comprising, a woven fabric tape consisting essentially of stretched cellulose acetate yarns and having integral ends of regenerated cellulose, said ends being lapped and positively joined at the lapped portions.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Woven Fabrics (AREA)
Description
March 6, 1951 W. J. ELVIN ETAL TAPE BELT Filed Nov. 22, 1944.
of cellulose acetate yarns.
Patented Mar. 6, 1951 TAPE BELT William J. Elvin and George L. McLuckie, Frostburg, Md., assignors to Celanese Corporation of America, a corporation of Delaware Application November 22, 1944, Serial No. 564,668
' 6 Claims. 1 This invention relates to tape belts, and relates more particularly to fabric tape belts for ring twisting machines and like textile'devices.
Fabric tape belts for use in textile devices, such as those employed for driving the spindles in ring twisting machines are normally woven cotton webs of narrow width. Such cotton tape belts have a relatively short operational life, namely on the order of 80 days. It is, therefore, an important object of this invention to provide a fabric tape belt which will not only have a longer operational life than a cotton belt, but which will also have other improved characteristics.
Another object of this invention isthe provision of a fabric tape belt made of relatively strong yarns or filaments having a basis of a cellulose ester.
A further object of this invention is the provision of a novel method of preparing fabric tape belts.
Other objects of this invention will appear' from thefollowing detailed description and accompanying drawing.
In the drawing,
Figure 1 is a plan view of a fabric tape prepared in accordance with this invention, prior to havin its ends lapped and joined to form a belt,
Figure 2 is a perspective view of the fabric tape belt formed from the fabric tape shown in Figure 1, and
Figure 3 is a detail cross-sectional view, on a Slightly enlarged scale, of the lap of the fabric tape belt shown in Figure 2.
Like reference numeral indicate like parts throughout the several views of the drawing.
Referring now to the drawing for a detailed description of this invention, the reference numeral 4 indicate a fabric tape preferably woven The tape may be woven in the desired narrow width, usually and 1 /2", on a suitable loom, Or the tape may be cut by means of a hot knife, which cuts and simultaneously seals the cut edge against raveling, from wide fabric webs of desired textile construction. Preferably, however, the tapes are woven on suitable looms which looms provide the edges with a selvedge whereby the tape belts may be used for a considerable length of time without fraying of the edges.
While it is preferred that the webs, both narrow and wide,'be woven wholly from cellulose acetate yarn, they may also be woven from cellulose acetate yarn mixed with other yarns, i. e.
the woven fabric web may be a mixed fabric containin cellulose acetate yarn alternating either in the warp or in the weft, or in both the warp and the weft, in any desired degree of alternation, with other thermoplastic yarns or yarns of non-thermoplastic fibers, such as cotton, regenerated cellulose, etc. Moreover, the tape may be prepared in such a manner that either the Warp or the weft consists wholly of cellulose acetate yarn while the other component consists of non-thermoplastic yarn.
The cellulose acetate yarn employed in preparing the tape belts in thi invention is of high" tensile strength. Such strong yarns are produced by stretching the, cellulose acetate yarn under suitable conditions. For example, the cellulose acetate yarn, or the cellulose acetate filaments from which the yarn is prepared, may be subjected to a stretching operation in presence of solvents or swelling agents for the cellulose acetate, such as dioxane, acetone, acetic acid and diacetone alcohol, either in the form of aqueous solutions thereof or in the vapor state.
A particularly satisfactory method of treating the filamentary materials having a basis of cellulose acetate to increase the tensile strength thereof is to subject them to a stretching operation in the presence of water, or saturated or wet steam under pressure at a temperature above C. The degree of stretch to which the filamentary materials are subjected is preferably on the order of 200% or more. While the materials stretched are preferably continuous filaaments or yarns composed of continuous filaments, they may be spun yarn made of short or more or less long lengths of filaments.
Tapes made of stretched cellulose acetate yarn are much superior than cotton tapes when employed as spindle belts since the cellulose acetate tapes have an elongation of over 50% less than the cotton tapes and have a Serigraph break of 530 pounds against 480 pounds for the cotton tapes, when the tapes are conditioned, and a serigraph break of 564 pounds against 365 pounds for the cotton tapes in the bone-dry state.
To form the tape belt, generally indicated by reference numeral 5, the tape 4 of stretched cellulose acetate yarn, is lapped and sewnat the lap by suitable stitching shown at 6 in Figures 2 and 3. However, the ends I and 8 of the tape 4 which form the lap of the belt 5 are first treated to reduce the thickness thereof by subjecting said ends I and B to a saponification treatment. This saponification treatment not only causes the ends to be reduced in thickness, but also changes the chemical composition and increases the tensile strength of the yarns in th area saponified.
The saponification of ends I and 8 may be effected by treating said ends with any suitable saponifyings agent, either inorganic or organic. Examples of inorganic saponifying agents are ammonium, caustic soda, caustic potash and sodium silicate, while examples of organic saponifying agents are organic nitrogenous bases, such as lower aliphatic amines, polymethyleneamines, for example, cyclohexylamine, N-alkyl and aralkyl substitution derivatives thereof and heterocyclic bases, for example piperidine. The degree of saponification of the, ends 1 and 8 of the tape 4 is such that the thickness of the tape at said ends is reduced from 60 to 65% of its original thickness so that the thickness of the lap formed in belt. 5 is from. 120- to. 130% of the thickness. of the. tape, thus. approaching the quality of an endless belt.v
While the present invention has been described above morev particularly with. reference to-cellue lose. acetate yarns. or filaments, yarns or filaments. of. other esters of cellulose may also be employed to. produce the fabric tapes, suchv as, for example, cellulose propionate and cellulose butyrate. Yarns and filaments of mixed esters of cellulose suchv as cellulose acetate propionate.
and. cellulose acetate butyrate. may also be employed'to. formthe fabric tape.
The term "integral? as employed in the. claims isto be. construed inits narrowest sense, name1y asmeaning structurally. integral and constituting; a single piece.
It is to be understood that. the foregoing de-,- tailed description is given merely by way of illustration and that many variations may be made therein without departing from the spirit of our invention.
Having, described our invention, what We desire to secure by Letters Patent is:
1.. A belt comprising a woven fabric tape consisting essentially of yarns having a basis of a cellulose ester and having integral ends reduced. in thickness by a saponification treatment, said ends being lapped and positively joined at the lapped portions.
2. A belt comprising a woven fabric tape consisting essentially of yarns having a basis of cellulose acetate and having integral ends reduced in thickness by a saponification treatment, said ends being lapped and positively joined at the lapped portions.
3; A belt, comprising a woven fabric tape consisting essentially of stretched. yarns having a basis of a cellulose ester and having integral ends reduced in thickness by a saponification treatment, said ends being lapped and positively joined at the lapped portions.
4. A belt comprising a woven fabric tape consisting essentially of stretched yarns having a basis of cellulose acetate and having integral ends reduced, in thickness by a saponification treatment, said ends being lapped and positively joined at the lapped portions.
5. A belt comprising a woven fabric tape consisting essentially of stretched cellulose ester yarns. and. having integral. endsv of regenerated cellulose, said endsbeing lapped and positively joined at the lapped portions.
6. A belt comprising, a woven fabric tape consisting essentially of stretched cellulose acetate yarns and having integral ends of regenerated cellulose, said ends being lapped and positively joined at the lapped portions.
WILLIANI J. ELVIN. GEORGE L. MCLUCKIE.
REFERENCES CITED Thev following, references are of. record in. the file of this patent:
UNITED STATES PATENTS Number Name Date 25,749 Dougall Oct. 11, 1859 1,203,189 Fisher Oct. 31,.1916 1,412,309. Lambert, Apr. 11, 1922 2,091,967 Drefus Sept. 7, 1937 2,179,655 Cutler Nov. 14, 1939 2,273,200 Hoff Feb. 17, 1942 2,294,088 Kholas Aug. 25, 1942 FOREIGN PATENTS Number Country Date 425,994 Great Britain Mar. 25, 1935
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US564668A US2543903A (en) | 1944-11-22 | 1944-11-22 | Tape belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US564668A US2543903A (en) | 1944-11-22 | 1944-11-22 | Tape belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US2543903A true US2543903A (en) | 1951-03-06 |
Family
ID=24255407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US564668A Expired - Lifetime US2543903A (en) | 1944-11-22 | 1944-11-22 | Tape belt |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US2543903A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130237356A1 (en) * | 2010-09-21 | 2013-09-12 | The Gates Corporation | Power Transmission Belt and Method of Making Same |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US25749A (en) * | 1859-10-11 | 1859-10-11 | Mode oe fobmingr joints in india-rubber belting | |
| US1203189A (en) * | 1916-06-28 | 1916-10-31 | Russell Mfg Co | Woven endless belt. |
| US1412309A (en) * | 1918-06-04 | 1922-04-11 | Lambert Tire & Rubber Company | Method of manufacturing stretchless belting |
| GB425994A (en) * | 1932-10-20 | 1935-03-25 | John Brear Sidebotham | Improvements in or relating to fabric belting and method of making same |
| US2091967A (en) * | 1933-02-20 | 1937-09-07 | Dreyfus Henry | Manufacture or treatment of artificial materials |
| US2179655A (en) * | 1939-02-08 | 1939-11-14 | Roger W Cutler | Drive belt for textile spindles |
| US2273200A (en) * | 1938-11-01 | 1942-02-17 | Du Pont | Artificial structure |
| US2294088A (en) * | 1940-03-29 | 1942-08-25 | Kholos Max | Woven belt |
-
1944
- 1944-11-22 US US564668A patent/US2543903A/en not_active Expired - Lifetime
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US25749A (en) * | 1859-10-11 | 1859-10-11 | Mode oe fobmingr joints in india-rubber belting | |
| US1203189A (en) * | 1916-06-28 | 1916-10-31 | Russell Mfg Co | Woven endless belt. |
| US1412309A (en) * | 1918-06-04 | 1922-04-11 | Lambert Tire & Rubber Company | Method of manufacturing stretchless belting |
| GB425994A (en) * | 1932-10-20 | 1935-03-25 | John Brear Sidebotham | Improvements in or relating to fabric belting and method of making same |
| US2091967A (en) * | 1933-02-20 | 1937-09-07 | Dreyfus Henry | Manufacture or treatment of artificial materials |
| US2273200A (en) * | 1938-11-01 | 1942-02-17 | Du Pont | Artificial structure |
| US2179655A (en) * | 1939-02-08 | 1939-11-14 | Roger W Cutler | Drive belt for textile spindles |
| US2294088A (en) * | 1940-03-29 | 1942-08-25 | Kholos Max | Woven belt |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130237356A1 (en) * | 2010-09-21 | 2013-09-12 | The Gates Corporation | Power Transmission Belt and Method of Making Same |
| US9091324B2 (en) * | 2010-09-21 | 2015-07-28 | Gates Corporation | Power transmission belt and method of making same |
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