Bleaching and dyeing; fluid treatment and chemical modification – Cleaning or laundering – Removing formation impurities from artifical fiber
Patent
1977-08-01
1979-05-15
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Cleaning or laundering
Removing formation impurities from artifical fiber
8139, 8158, 15320, 15321, 68 20, 134 21, 134 37, B08B 300, A47L 700
Patent
active
041545788
ABSTRACT:
A method and apparatus for cleaning a carpet on location without removing the carpet to a cleaning plant, the method comprising washing the carpet on location with an alkaline solution and neutralizing the alkaline residue left on the carpet after washing by blowing a spray of an acid solution under pressure into the washed carpet and removing the blown acid solution from the carpet after blowing by drawing a vacuum over the washed and blown carpet. The washing step also comprises blowing a heated spray of the alkaline solution under pressure into the carpet and removing the blown alkaline solution and loosened dirt from the carpet after blowing by drawing a vacuum over the blown carpet. The apparatus comprises a frame with wheels mounted thereon for transporting the frame to the carpet location, a first tank of alkaline solution, a second tank of acid solution, and a motor, solution pump and valved conduit arrangement for separately carrying the alkaline and acid solutions under pressure to a plurality of spray jets connected to an applicator head. A vacuum pump, vacuum return line and vacuum tank are also provided on the frame and connected to the head for removing and storing the blown alkaline and acid solutions and the loosened dirt.
REFERENCES:
patent: 3505004 (1970-04-01), Pfeil
patent: 3530517 (1970-09-01), Nohl
patent: 3574526 (1971-04-01), Bell
patent: 3614797 (1971-10-01), Jones
patent: 3617205 (1971-11-01), Wisdom
patent: 3733176 (1973-05-01), Wisdom
patent: 4035148 (1977-07-01), Metzger et al.
patent: 4095303 (1978-06-01), Armstrong et al.
LandOfFree
Method and apparatus for cleaning a carpet on location 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 and apparatus for cleaning a carpet on location, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for cleaning a carpet on location will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1095132