Abstract: A radio frequency welding system for flexible work pieces having a top-side and an underside. The welding system includes a fixed weld platform, a mobile radio frequency welder adapted to move over the fixed weld platform, movable welding electrodes configured over the fixed weld platform and adapted to engage the underside of the flexible work pieces and movable grounding apparatus adapted to engage the fixed weld platform and the mobile radio frequency welder so as to provide a return radio frequency electrical circuit.
Abstract: A removable door skin for a vehicle for mounting on a door frame member and includes a flexible door panel that includes an edge and a flap. The flexible door panel may further include a fastening means having a first portion and a second portion wherein the first portion is located on the flexible door panel and second portion is located on the flap.
Abstract: A mechanism for connecting a strap to a fabric includes first and second elements to be disposed cooperatively on opposite sides of the fabric and then securely coupled to each other with the fabric forcibly sandwiched therebetween. At least one of the two elements is provided with a non-bindingly held strap-connecting element to which either a strap is permanently connected by an end loop or which can detachably engage to a detachable strap with any known hook, snap-fastener, or the like.