Apparatus for padding underground conduits

Excavating – Ditch filler

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

405179, E02F 522

Patent

active

060557494

ABSTRACT:
The present invention provides an apparatus for constructing bottom pads, or bench pads, as well as for padding a pipeline during construction. To pad the bottom of a pipeline, a padder is removably attached to one end of a conventional excavator or other base machine or vehicle, whereby a portion of the padder is inserted in the backfill and extracts padding material of a maximum predetermined size.

REFERENCES:
patent: 1004715 (1911-10-01), Valiquett et al.
patent: 1220197 (1917-03-01), Cowles
patent: 1658398 (1928-02-01), Seaman
patent: 1860481 (1932-05-01), Royer
patent: 2618439 (1952-11-01), Malone
patent: 2744739 (1956-05-01), Evans et al.
patent: 2814387 (1957-11-01), McWilliams
patent: 2843330 (1958-07-01), Gundlach
patent: 2857691 (1958-10-01), Curran
patent: 2879952 (1959-03-01), Pollitz et al.
patent: 2947096 (1960-08-01), Cummings et al.
patent: 2974795 (1961-03-01), Behnke et al.
patent: 3190571 (1965-06-01), Kimball
patent: 3199798 (1965-08-01), Turner, Jr.
patent: 3314175 (1967-04-01), Petty et al.
patent: 3365050 (1968-01-01), Taylor
patent: 3396481 (1968-08-01), Hovorak
patent: 3478972 (1969-11-01), Hansen
patent: 3568626 (1971-03-01), Southworth, Jr.
patent: 3596384 (1971-08-01), Neujahr
patent: 3647150 (1972-03-01), Stephanek
patent: 3701422 (1972-10-01), Downey
patent: 3860291 (1975-01-01), Rauch et al.
patent: 3981089 (1976-09-01), Burrows
patent: 3984151 (1976-10-01), Altmayer
patent: 3999399 (1976-12-01), Maurer
patent: 4057917 (1977-11-01), Burrows
patent: 4192471 (1980-03-01), Beckman et al.
patent: 4221505 (1980-09-01), Taylor-Smith
patent: 4301910 (1981-11-01), Price
patent: 4329084 (1982-05-01), Chapa
patent: 4377365 (1983-03-01), Layh
patent: 4396797 (1983-08-01), Sakuragi et al.
patent: 4588033 (1986-05-01), Orthman
patent: 4623282 (1986-11-01), Allen
patent: 4633602 (1987-01-01), Layh et al.
patent: 4699838 (1987-10-01), Gilbert
patent: 4808031 (1989-02-01), Baker
patent: 4861461 (1989-08-01), Utterback
patent: 4874648 (1989-10-01), Hill et al.
patent: 4877660 (1989-10-01), Overbergh et al.
patent: 4879162 (1989-11-01), Hansen, Sr.
patent: 4909669 (1990-03-01), Baker
patent: 4912862 (1990-04-01), Bishop et al.
patent: 4948299 (1990-08-01), Cronk, Jr. et al.
patent: 4955756 (1990-09-01), Klamar
patent: 5084991 (1992-02-01), Cronk, Jr.
patent: 5097610 (1992-03-01), Bishop
patent: 5099889 (1992-03-01), Ratzlaff
patent: 5102265 (1992-04-01), Dokmo et al.
patent: 5120433 (1992-06-01), Osadchuk
patent: 5154364 (1992-10-01), Ketting
patent: 5242246 (1993-09-01), Manchak, III et al.
patent: 5245768 (1993-09-01), Purkeypile
patent: 5259699 (1993-11-01), Klamar
patent: 5261171 (1993-11-01), Bishop
patent: 5445330 (1995-08-01), Rashwan et al.
patent: 5490742 (1996-02-01), Cronk
patent: 5694709 (1997-12-01), Cronk, Jr. et al.

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

Apparatus for padding underground conduits does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for padding underground conduits, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for padding underground conduits will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1584448

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