| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 474249000 | Including groove, openings or pockets formed in belt surface and arranged along entire length of belt (e.g., for flexibility, air escape, etc.) | 6 |
| 20090105027 | Flat belt - A flat belt that enables the degree of wear thereof to be visually or tactually determined is provided. There is provided a flat belt that has a surface contacting a pulley and a recess formed thereon for detecting wear. | 04-23-2009 |
| 474250000 | Grooves transversely extending on belt surface | 2 |
| 20110003659 | Fabric for toothed power transmission belt and belt - A fabric for reinforcing a power transmission belt including fibers of polyarylene sulfide and a belt utilizing the fabric. The fabric may have textured or elastic core wrapped stretch yarns in the longitudinal direction. Longitudinal yarns may include PPS and textured transverse yarns include nylon. Yarns may include blends of high performance fibers and nylon or other fibers. | 01-06-2011 |
| 474251000 | And additional groove on opposite surface | 1 |
| 20100203993 | V-RIBBED BELT - Provided is a V-ribbed belt that can suppress generation of slippage when it is splashed with water, and generation of noise. A V-ribbed belt has a rib-forming surface with plural rows of ribs formed therein and extending in a belt longitudinal direction to allow the rib-forming surface to be brought into contact with pulleys when in use, wherein the V-ribbed belt has reentrant portions on the rib-forming surface to form a non-contact area that is held out of contact with the pulleys when the V-ribbed belt is driven, so that water is allowed to flow into the non-contact area when the V-ribbed belt is splashed with water. | 08-12-2010 |
| 474252000 | Groove continuous and longitudinally extending | 3 |
| 20090291796 | Power transmission belt - A power transmission belt with a body made from a first rubber composition in which at least one load carrying member is embedded. The body has a plurality of laterally spaced ribs with exposed surfaces on the inside of the body. The ribs are made from a second rubber composition in which: a) a plasticizer of 8.3 to 10.7 (cal/cm | 11-26-2009 |
| 20100167860 | V-Ribbed Belt and Method for Manufacturing Same - A V-ribbed belt that includes a ribbed surface covered with fabric is provided. The fabric is stretchable in two predetermined directions. A method for manufacturing the V-ribbed belt is also provided. The method includes placing a belt matrix about a mandrel, placing a fabric about the external circumference of the belt matrix which wraps around the mandrel, placing the mandrel inside a shell having a plurality of grooves on the internal circumference, expanding the belt matrix and the fabric toward the internal circumference of the shell and thus pressing the fabric onto the internal circumference having the multi-ribbed structure, and curing the belt matrix with the fabric. The fabric is stretchable to accommodate itself to the multi-ribbed structure. | 07-01-2010 |
| 20100173740 | V-Ribbed Belt and Method for Manufacturing Same - A V-ribbed belt that includes a ribbed surface covered with fabric is provided. The fabric is stretchable in two predetermined directions. A method for manufacturing the V-ribbed belt is also provided. The method includes placing a belt matrix about a mandrel, placing a fabric about the external circumference of the belt matrix which wraps around the mandrel, placing the mandrel inside a shell having a plurality of grooves on the internal circumference, expanding the belt matrix and the fabric toward the internal circumference of the shell and thus pressing the fabric onto the internal circumference having the multi-ribbed structure, and curing the belt matrix with the fabric. The fabric is stretchable to accommodate itself to the multi-ribbed structure. | 07-08-2010 |
