Shingle processing tool and method

Details Shingle processing tool and method Shingle processing tool and method

2004-07-23

2009-02-10

Miller, Bena (Department: 3725)

Solid material comminution or disintegration

Apparatus

Rotary striking member or hammer

C241S294000, C241S300000, C299S108000, C299S039800

Reexamination Certificate

active

07487931

ABSTRACT:
A cutting tool for attachment to the leading area of a base is provided. The cutting tool includes a holder base having two substantially parallel cutting teeth extending from the holder base, the cutting teeth each having a cutting edge and an opening between the teeth. The cutting teeth define first and second cutting paths. The cutting teeth impact and cut asphalt shingles, and funneling surfaces of the teeth funnel the cut shingle material toward and through the opening, and into the path of the rear cutting member which cuts the material a second time. Thus, asphalt shingles are processed more efficiently, thereby creating less frictional heat and avoiding melting of the asphalt shingles.

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