Geometrical instruments – Gauge – Template
Patent
1995-04-13
1996-11-26
Will, Thomas B.
Geometrical instruments
Gauge
Template
33 1G, G01B 300
Patent
active
055773281
ABSTRACT:
A template for facilitating marking of entry holes in a surface for passage therethrough of conduit has a flat portion formed of semi-rigid material and two flat sides. The flat portion has a central opening and a plurality of markings on one side. The markings are parallel to a section of the perimeter and spaced inwardly at graduated distances therefrom. A plurality of slots are formed through the flat portion, spaced apart and parallel to one another, substantially coextensively with each corresponding one of the plurality of markings, to thereby permit a user of the template to make a mark through one of the slots to indicate an outer edge of a hole of a preselected size to be formed using the template.
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