SHREDDING MECHANISM FOR PAPER

A paper shredding mechanism has two rows of shredding units rotating in opposite directions. Each unit has a flat body, with a periphery and left and right sides, and at least one piercer projecting from the periphery for piercing and cutting a paper sheet fed between the two rows. The piercer cuts...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	CHAN STEPHEN KWOK KI
Format:	Patent
Sprache:	eng
Schlagworte:	CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL MILLING GRAIN PERFORMING OPERATIONS PREPARATORY TREATMENT OF GRAIN FOR MILLING TRANSPORTING
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Beschreibung
Zusammenfassung:	A paper shredding mechanism has two rows of shredding units rotating in opposite directions. Each unit has a flat body, with a periphery and left and right sides, and at least one piercer projecting from the periphery for piercing and cutting a paper sheet fed between the two rows. The piercer cuts in a first direction, transverse to the paper feeding direction, and has a shearing edge on each of the left and right sides, alongside the periphery. The piercer has a cutting edge which extends across the left and right sides of the body. The shearing edge of each of the units bears laterally against the shearing edge of an adjacent unit. The two shearing edges together act as shears, cutting the paper sheet in a second direction, parallel to the feeding direction.