Patent ID: 8992128
Filing Date: 2015-03-31
Classification: B63B,B65G,E02B,Y02A

Abstract:
1. A pneumatic fender having a bag comprising a reinforcement layer interposed between an inner rubber layer and an outer rubber layer, the bag being configured to comprise a cylindrical torso body section and dome-shaped body sections connected to both ends of the torso body section, a plurality of creases are present in an outer surface of the torso body section such that each of the creases extends in a respective longitudinal direction and remains in the outer surface of the torso body section when the cylindrical torso body section is in an uncollapsed condition, each of the creases comprising a respective concave groove configured such that a groove thickness of the cylindrical torso body at each respective concave groove is less than a body thickness of the cylindrical torso body other than at any respective concave groove while the cylindrical torso body section is in the uncollapsed condition and the groove thickness remains less than the body thickness while the cylindrical torso body section is in a collapsed condition, and each respective concave groove provides a respective fold line between respective portions of the cylindrical torso body section to enable the respective portions to fold with respect to each other about the fold line to bring outer surfaces of the respective portions into contact with each other while the cylindrical torso body section is in the collapsed condition.