Automatic machine for the internal fettling of sanitary applianc

Plastic article or earthenware shaping or treating: apparatus – Pottery wheel type support and profile – Rotatable profile tool

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51 33R, 51 34D, 51 34H, 51 55, 425218, 425385, 425445, 425457, 425459, 425460, 901 12, B29C 2500, B44D 510

Patent

active

045552290

ABSTRACT:
An automatic machine for the internal fettling of sanitary appliances in general, which comprises a tappet device elastically loaded towards a cam having a profile conforming to the mouth of the bowls of the articles to be fettled, said device controlling the horizontal excursions of a double slide which supports in an overhanging manner, to lie above a surface on which the articles are arranged, a verticle slider provided with a stepwise-rotatable coaxial shaft on which there is lowerly mounted, in an orientation-adjustable manner, a rotating brush arranged for insertion into the bowls in order to make contact with their entire inner surface extension by virtue of the combination of the aforesaid movements.

REFERENCES:
patent: 1850939 (1932-03-01), Miller
patent: 2450437 (1948-10-01), Miller
patent: 3294256 (1966-12-01), Nazali et al.
patent: 3637092 (1972-01-01), George et al.
patent: 4014495 (1977-03-01), Oda et al.
patent: 4132318 (1979-01-01), Wang et al.
patent: 4233491 (1980-11-01), Maruyama et al.
patent: 4264266 (1981-04-01), Trechsel
McCormach et al., "The Creeping Technology of Grinding and Fettling", Decade of Robotics, 1983, pp. 48-51.

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