Flat threading rolling die

- FORM ROLL TECH CO., LTD.
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Description

Fig. 1.1 is a perspective view of a flat threading rolling die showing our new design;

Fig. 1.2 is a front elevation view thereof;

Fig. 1.3 is a back elevation view thereof;

Fig. 1.4 is a right elevation view thereof;

Fig. 1.5 is a left elevation view thereof;

Fig. 1.6 is a top plan view thereof;

Fig. 1.7 is a bottom plan view thereof;

Fig. 1.8 is an enlarged perspective view of the A-B portion of Fig. 1.1;

Fig. 1.9 is an enlarged front elevation view of the A-B portion of Fig. 1.1;

Fig. 1.10 is an enlarged right side elevation view of the A-B portion of Fig. 1.1; and

Fig. 1.11 is an enlarged top plan view of the A-B portion of Fig. 1.1.

Claims

The ornamental design for a flat threading rolling die, as shown and described.

Referenced Cited
U.S. Patent Documents
2627767 February 1953 Batchelder
2669139 February 1954 Finch
2992573 July 1961 Prutton
D480619 October 14, 2003 Koenig, Jr.
Foreign Patent Documents
2391467 March 2013 EP
2022014924 January 2022 JP
2087237 August 1997 RU
Patent History
Patent number: D989824
Type: Grant
Filed: Mar 30, 2021
Date of Patent: Jun 20, 2023
Assignee: FORM ROLL TECH CO., LTD. (Yamanashi)
Inventors: Toshinaka Shinbutsu (Ohtsuki), Shuichi Amano (Ohtsuki)
Primary Examiner: Patricia A Palasik
Application Number: 35/513,160
Classifications