Rotary mixer with resinous scraper blades

Refrigeration – Means producing shaped or modified congealed product – With means for working congealing material – e.g. – beater

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Details

366312, A23G 912

Patent

active

050741250

ABSTRACT:
A rotary mixer scraper blade commonly termed a beater scraper blade for a freezer machine for producing ice cream, frozen yogurt and like confectionery foods in which the mixer has diametrically opposite scraping blades at opposite ends thereof. The scraper blades have a generally triangular cross sectional shape with a thick body portion narrowing to the thin scraping edge thus presenting a leading face of the blade which is presented at an angle which facilitates removal therefrom of material it engages during mixing and scraping thus reducing tendencies toward hangup of material thereon. Since the blades have a cross sectional shape with a thicker section than conventional blades they can be made of resinous material instead of metal because the shape imparts greater flex strength to the blades compared to conventional parallel sided blades. Thus metal to metal contact of the blades with the interior freezer walls is eliminated and the chance of particles of metal getting into the confectionery product produced is correspondingly eliminated resulting in a smoother product while at the same time reducing the operation noise, preventing cylinder scoring, and prolonging the like of the blades.

REFERENCES:
patent: 2488668 (1949-11-01), Knibb
patent: 2526367 (1950-10-01), Kaltenbach et al.
patent: 2746730 (1956-05-01), Swenson et al.
patent: 2810557 (1957-10-01), Phelan
patent: 3181840 (1965-05-01), Rietz
patent: 3952069 (1990-08-01), Boulard

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