USD198101S - Rot at able extruder - Google Patents

Description

- United States Patent 0 Des. 198,101 Patented Apr. 28, 1964 ROTATABLE EXTRUDER Gottlieb Looser, Zurich, Switzerland, assignor to Verwaltungsgesellschaft der Werkzeugmaschinenfabrik Oerlikon, Zurich, Switzerland, a corporation of Switzerland Filed Nov. 28, 1962, Ser. No. 72,638

Term of patent 14 years (Cl. D54-8) FIGURE 1 is a perspective view of a vertically arranged, rotatable extruder showing my new design;

FIGURE 2 is a perspective view of the rotatable extruder shown in FIGURE 1 as viewed substantially from the left side thereof;

FIGURE 3 is a perspective view of the rotatable extruder shown in FIGURE 1 as viewed substantially from the rear thereof; and

FIGURE 4 is a perspective view of the rotatable extruder shown in FIGURE 1 as viewed substantially from the right side thereof.

This application is a continuation-in-part of my earlierfiled application, Serial Number D. 63,889, filed February 10, 1961, now abandoned.

I claim: The ornamental design for a rotatable extruder, substantially as shown and described.

References Cited in the file of this patent UNITED STATES PATENTS 2,720,680 Gerow Oct. 18, 1955 3,009,208 Pirot Nov. 21, 1961 FOREIGN PATENTS 221,794 Austria June 12, 1962 OTHER REFERENCES Modern Plastics Encyclopedia for 1961, page 1018, vertical extruder of Thermoplastic Equipment Corp.

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