A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
26/8
A47L 9/14 (2006.01) D05B 25/00 (2006.01) D05B 35/06 (2006.01)
Patent
CA 2023346
ABSTRACT OF THE DISCLOSURE A method of manufacturing the outer cloth bag for an upright vacuum cleaner in which the bag material of a predetermined width is unwound from a reel an fed through guides, material folders and a double headed sewing machine. At the same time zipper chains are fed from rolls on the right and left side of the moving bag material. The zippers are sewn on opposite side edges of the bag, the bag material is cut into predetermined sized panels, and thereafter the side edges of the panels are folded and the zipper halves zipped up to form a tube. At least one open end is closed to form a bag.
Smaling Oral M.
Sim & Mcburney
White Consolidated Industries Inc.
LandOfFree
Method of manufacturing an outer vacuum cleaner bag for an... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of manufacturing an outer vacuum cleaner bag for an..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of manufacturing an outer vacuum cleaner bag for an... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1406147