Method and apparatus for tumbling concrete products

Details Method and apparatus for tumbling concrete products Method and apparatus for tumbling concrete products

2005-07-05

2005-07-05

Tolan, Ed (Department: 3725)

Solid material comminution or disintegration

Apparatus

Loose grinding body comminutor

C220S495010

Reexamination Certificate

active

06913215

ABSTRACT:
A tumbler for tumbling concrete products comprises a rotatable cylindrical drum having an input end that is slightly elevated relative to an output end. Tire retread strips are placed side-by-side on the radially inner surface of the drum and extend along its length. Clamps having lateral arms extending on either side are engaged with lateral tread grooves on the strips. The clamps are bolted to the drum between adjacent strips thereby securing the strips to the radially inner surface of the drum.

REFERENCES:
patent: 3981117 (1976-09-01), Dehlen
patent: 4655602 (1987-04-01), Tomlinson
patent: 5302017 (1994-04-01), Platek et al.
patent: 5716013 (1998-02-01), Benson et al.
patent: 5839490 (1998-11-01), Kiedaisch et al.
patent: 5942181 (1999-08-01), Rondeau
patent: 6109906 (2000-08-01), Castonguay et al.
patent: 6390401 (2002-05-01), Sellars

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