Jig saw blade with cooling channel

Details Jig saw blade with cooling channel Jig saw blade with cooling channel

1975-10-20

1977-08-23

Whitehead, Harold D.

Stone working

Sawing

Reciprocating

51267, B28D 106

Patent

active

040433110

ABSTRACT:
The present jig saw blade is constructed for heavy duty work, such as cutting through concrete or masonry. For this purpose, the blade is provided with a cooling channel extending longitudinally through the length of the blade and branch channels extend laterally through the body of the blade from a narrow side thereof and into the longitudinal channel. The lower end of the longitudinal channel is closed and the upper end is arranged for connection to a cooling fluid supply.

REFERENCES:
patent: 3176675 (1965-04-01), Bomba
patent: 3196584 (1965-07-01), Tatko

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