1
Rust Jr Edgar C: Apparatus for ultrasonic welding of sheet materials. Crompton & Knowles Corporation, October 29, 1974: US3844869 (42 worldwide citation)

An apparatus for joining sheets of thermoplastic material by ultrasonic vibration welding in which the welds are formed between the working surface of an ultrasonic resonator and opposing surfaces of anvils arranged in a changing pattern; means are disclosed for modifying the total energy transmitte ...


2
Rust Jr Edgar C: Apparatus for vibration welding of sheet materials. Crompton & Knowles Corporation, April 22, 1975: US3879256 (24 worldwide citation)

Apparatus for welding thermoplastic sheet-like elements wherein two rows of staggered vibration transmitting members engage one side of the sheet-like elements against anvils located on the other side of said sheet-like elements to produce welds therebetween. Means are provided to advance the sheet- ...


3
Rust Jr Edgar C: Needle punching machine for endless web and method of removing web. Crompton & Knowles Corporation, April 17, 1973: US3727277 (1 worldwide citation)

A needle punching machine for manufacturing endless webs wherein a bed beam is releasably mounted on the framework and one end of the framework has an opening large enough for the beam to pass through; and a method of removing the web from the machine which includes the steps of separating the web f ...