Inventors:
John A. Besuyen - Penfield NY
Richard K. Buckley - Canadaigua NY
Eric J. Kuzniar - Scottsville NY
Sylvio J. Mainolfi - Roxbury CT
Assignee:
Branson Ultrasonics Corporation - Danbury CT
International Classification:
B31B 164
Abstract:
The method of manufacturing a filtration bag for a liquid comprises placing two flexible thermoplastic sheets adapted to filter a liquid upon one another, and welding the sheets together along a desired seam line by vibration welding using tool means which forcibly engage the superposed sheets along the desired seam line.