Sealing ring

- VALQUA, LTD.
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front, top perspective view of a sealing ring showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a partially enlarged front, top perspective view along the lines 7-7 of FIG. 1;

FIG. 8 is a partially enlarged top plan view of the portion of the sealing ring shown in FIG. 7 along the lines 8-8 of FIG. 2;

FIG. 9 is a cross sectional view thereof cut along the line 9-9 of FIG. 8;

FIG. 10 is a partially enlarged front, top, left perspective cross sectional view thereof;

FIG. 11 is a partially enlarged rear, bottom, left perspective cross sectional view thereof; and,

FIG. 12 is a right side elevational view thereof.

The broken lines illustrating portions of the sealing ring form no part of the claimed design. The dot-dash broken lines defining boundaries of the claimed design form no part of the claimed design.

Claims

The ornamental design for a sealing ring, as shown and described.

Referenced Cited
U.S. Patent Documents
1550983 August 1925 Pratt
2809853 October 1957 Nathan
4343480 August 10, 1982 Vassallo
4487421 December 11, 1984 Housas
D598988 August 25, 2009 Jaccoby
D705280 May 20, 2014 Kimura
9447881 September 20, 2016 Tsuji
9587744 March 7, 2017 Yoshida
D828524 September 11, 2018 Sugatani
D881958 April 21, 2020 Han
D898171 October 6, 2020 Yoshida
D942596 February 1, 2022 Nakagawa
20170074430 March 16, 2017 Hartmann
Foreign Patent Documents
D1542465 January 2016 JP
Other references
  • Valqua Catalogue No. LC10 020 SEN, published by Valqua, Ltd. in Sep. 2019, with partial English translation.
  • Merkel PTFE U-rings for high level applications, published by Freudenberg Sealing Technologies as late as 2019.
  • PTFE Lip Seal Design Guide Catalog Eps 5340/USA, published and reprinted by Parker Hannifin Corporation in 2018.
Patent History
Patent number: D983940
Type: Grant
Filed: Apr 9, 2020
Date of Patent: Apr 18, 2023
Assignee: VALQUA, LTD. (Tokyo)
Inventor: Kazuaki Tsuji (Santa Clara, CA)
Primary Examiner: Amy C Wierenga
Application Number: 29/730,914
Classifications
Current U.S. Class: Gasket Or Packing (D23/269)