Slotted wall milling cutter

Details Slotted wall milling cutter Slotted wall milling cutter

1986-06-12

1987-09-22

Leppink, James A.

Boring or penetrating the earth

Boring means including a continuously rotating bit...

175 96, 175104, E21B 416

Patent

active

046949151

ABSTRACT:
A slotted wall milling cutter for producing a slotted wall in the ground has a drive motor fixed to the cutter frame and a gear means positioned between the drive motor and two cutting wheel gears and which is partly arranged in recesses of a bearing bracket. The cutting wheel gear is constructed as a multistage planetary gear. A particularly high torque is made available on the cutting wheels with this arrangement. In addition, the cutting wheels can be constructed with a very high effective cutting width compared with the total slot width.

REFERENCES:
patent: 1574040 (1926-02-01), Lasher
patent: 3190376 (1965-06-01), Christensen
patent: 3710878 (1973-01-01), Endo et al.
patent: 3894587 (1975-07-01), Sourice

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