Duct forming machine

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

53137, 93 56PD, B31B 360, B31F 100

Patent

active

040709540

ABSTRACT:
A machine for fastening the flap of a duct board previously cut in a manner to permit it to be folded into duct form; such machine being capable of stapling the flap to the side edge of the board if desired and of applying a sealing tape to the flap and adjacent other edge of the duct board to complete the forming and sealing of a piece of duct board into a duct.

REFERENCES:
patent: 929450 (1909-07-01), Langston
patent: 1417651 (1922-05-01), Woehr
patent: 3199262 (1965-08-01), Miller et al.
patent: 3800679 (1974-04-01), Bartelheimer
patent: 3908526 (1975-09-01), Vassalos

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Duct forming machine does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Duct forming machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Duct forming machine will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2071921

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.