Perforating device

Details Perforating device Perforating device

1980-06-25

1981-06-23

Peters, Jimmy C.

Cutlery

Perforating or indenting implements

Traveling roller

30366, B26F 100

Patent

active

042742021

ABSTRACT:
A perforating device for wallpaper pieces to be separated from a wall includes an elongated handle and a pair of elongated rollers supported on the handle for free rotation by means of a frame rigidly connected to the handle and carrying axles to support the rollers. Each of the rollers has a plurality of spikes on its periphery which are equally spaced from each other. The rollers are inclined to each other at an obtuse angle so that during the reciprocating motion of the device over the surface to be perforated the spikes will have respective components of movement lengthwise and inclined to the direction of reciprocation and perforate the wallpaper in form of elongated holes to thereby permit a solvent to penetrate through the holes and reach the rearside of the wallpaper.

REFERENCES:
patent: 976496 (1910-11-01), Reiser
patent: 3389466 (1968-06-01), Parris
patent: 3514854 (1970-06-01), Norfleet

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