Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Patent
1989-01-30
1990-04-03
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
29 8102, 29 811, 29 8111, B08B 902, B23D 7900
Patent
active
049127993
ABSTRACT:
A scraper for use in repairing underground pipe breaks consisting of two parallel chains carrying transverse square scraper rods.
REFERENCES:
patent: 1283070 (1918-10-01), Callender
patent: 3214824 (1965-11-01), Brown
patent: 4750249 (1988-06-01), Richardson
LandOfFree
Water main scraper does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Water main scraper, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Water main scraper will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1347930