Screw-threaded insert

Description

FIG. 1 is a front elevational view of a screw-threaded insert showing our new design, taken in the direction of arrow I of FIG. 3;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a sectional view taken in the direction of the arrows on line IV--IV of FIG. 3.

Referenced Cited
U.S. Patent Documents
D228340 September 1973 Jennings
D262863 February 2, 1982 Barnsdale
2949142 August 1960 Sumerak
3204679 September 1965 Walsh
4046181 September 6, 1977 Barnsdale
Patent History
Patent number: D287820
Type: Grant
Filed: Dec 26, 1984
Date of Patent: Jan 20, 1987
Assignee: Dynacast International Limited
Inventors: Stephen R. Bullen (Honeybourne, nr. Evesham), Paul M. Dunn (Redditch), Martin A. Phillips (Redditch)
Primary Examiner: B. J. Bullock
Law Firm: Larson and Taylor
Application Number: 6/686,393
Classifications
Current U.S. Class: D/8385