PIPE SCRAPER

PIPE SCRAPER

PIPE SCRAPER The invention relates to a pipe scraper for scraping the end of a plastics pipe such as a plastics gas main or water main. The device consists of a framework 10 in which is journaled a helically bladed rotary cutter 14 driven by means of a lever 17. On the shaft carrying the cutter 18 a...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: DICKINSON, ALAN J
Format: Patent
Sprache:eng ; fre
Schlagworte:
BORING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
TRANSPORTING
TURNING
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Beschreibung
Zusammenfassung:PIPE SCRAPER The invention relates to a pipe scraper for scraping the end of a plastics pipe such as a plastics gas main or water main. The device consists of a framework 10 in which is journaled a helically bladed rotary cutter 14 driven by means of a lever 17. On the shaft carrying the cutter 18 a pinion 16 which meshes with a larger pinion 19 driving a friction surfaced roller 21. The cutter is held in a Reed clamp and as the lever 17 is turned it rotates the helically bladed rotary cutter so as to scrape a low angle helical scrape approximating a longitudinal scrape. At the same time the rotation of the roller 21 causes the whole framework to rotate around the surface of the pipe so as to scrape the whole end peripheral surface.