Recent Technology News Back Issues
No.33 Summer 2017
【Customer Solutions Special】● Greetings	● Technical Papers

Senior Excutive Officer

Director of Corporate Research and Development Group

Mutsuo Aoki

Unsuitable Usage Conditions of Gaskets and Countermeasures

Sales Group

Evaluation of Basic Sealing Properties of the Pipe

Toshihiko Enishi

Technical Solution Division

Flange Connection with Metallic Flat Gasket

Corporate Research and Development Group Development Division	SHINKO PLANTECH CO., LTD.

Kouji Satou

Yasuharu Kondou	Professor Emeritus at the University of Hiroshima	Corporate Research and Development GroupToshiyuki Sawa

Satomi Takahashi

Troubles While Mounting Gaskets and Countermeasures	Sales Group Technical Solution Division

Satoshi Akiyama

An Introduction and How to Use Seal Quick SearcherTM（SQS） –Elastomer Version–	Corporate Research and Development Group Development Division

Seal Training Center (STC) –Interactive Training for Sealing Operation	

Ｈ＆Ｓ BUSINESS GROUP

Akira MuramatsuManagement of Tightening of Flanged Fasteners at Plants

Mitsubishi Chemical CorporationMizushima Plant Mechanical Group 2

Maintenance and Engineering Department

Riichi Morimoto●Recent Technology News Back Issues

Winter 2018

● Contribution

Akira Ueda

No.34
No.32 Spring 2017
【The 90th Anniversary Special Edition】●GreetingPresident & CEO

Toshikazu Takisawa●Greetings upon the Publication of the 90th Anniversary Special Issue
Senior Excutive Officer

Director of Corporate Research and Development Group

Mutsuo Aoki

●Upon the Publication of the 90th Anniversary Special Issue
Editorial board of the 90th anniversary special issue of Valqua Technology News

●Transition of Valqua’s technologies and customer value
Looking back at the history of Valqua Technology News and Valqua Review

Senior Fellow

Takahito Nishida44

●Contribution Congratulations on the 90th Anniversary Special Issue of Valqua’s Establishment
Professor Emeritus at the University of Hiroshima Toshiyuki Sawa

●Contribution Evolving Gasketing and Sealing Technologies
Professor at Mechanical Engineering, National Institute of Technology, Numazu College Takashi Kobayashi●Contribution Congratulations on the 90th Anniversary Year of the FoundingNIPPON VALQUA INDUSTRIES, LTD.

Takao Iwane

former Managing Director (Technical Manager)●Contribution Congratulations on the Publication of the 90th Anniversary Special Issue of Valqua Technology NewsNIPPON VALQUA INDUSTRIES, LTD.

former Managing Director (Technical ･ Business development)

Yoshiaki Mori●Contribution Memories of My Tenure as CTONIPPON VALQUA INDUSTRIES, LTD. former CTO Hiroyuki Kuroda

●Technical Papers Types and Application of Filler-added PTFE Materials
Corporate Research and Development GroupDevelopment DivisionHigh Performance Plastics Development Division

Youichiro Wada

Winter 2018

●Technical Papers Accuracy and Mold Direction of PTFE Products

Corporate Research and Development Group Development Division High Performance Plastics Development DivisionTechnicalSection

No.3Shigeko Kawai

Corporate Research and Development Group Development Division High Performance Plastics Development DivisionNo.34ServiceTechnicalServiceSection

No.3 Nobuyuki Ota●Technical Papers Introduction and Utilization of Seal Quick SearcherTM（SQS）– Gasket Version –Sales Group

Technical Solution Division

Toshihiko Enishi●Technical Papers Causes of and Countermeasures for Allophone Trouble in a Piston Seal System for Cylinders
Corporate Research and Development Group

Development Division kenichi Takahashi●Technical Papers Sticking Troubles of O-Rings and Countermeasures
Corporate Research and Development Group

Development Division Masanori Okazaki●Technical Papers Evaluation of the Bolted Flange Connection with PTFE-blended Gasket under High-temperature and Long-term condition
Corporate Research and Development Group●VALQUA’s Technical History●Recent Technology News Back Issues

45

Development Division Kouji SatouNo.31 Summer 2016
[Customer Solutions Special]●Greeting●CommentaryCustomer Solutions and Evaluation Technologies

Senior Excutive Officer

Director of Corporate Research and Development Group Corporate Research and Development Group

Development Division

General Manager

Mutsuo Aoki

Takaharu Ikeda●Technical Papers Gasket Clamping Problems and Their Solutions
Corporate Research and Development Group

Development Division

Takahiro Fujihara

Large Diameter Gland Packing Installation Problem Examples and Installation GuidelinesCorporate Research and Development Group

Development Division

Masato Hamade

Causes of Blister Problems Resulting from High-pressure Gas and Highly Volatile LiquidsCorporate Research and Development Group

Development Division Hirofumi Zushi

Causes of O-ring Transfer Problems and Their Solutions
Corporate Research and Development Group	Lining Pipe Problem Examples

Corporate Research and Development GroupHigh Performance Plastics Development Division

Technical Service Section No.1

Ryosuke Nishi

Development Division

Yoshifumi Kutsuzawa

Corporate Research and Development GroupHigh Performance Plastics Development Division

Development

Technical Service Section No.3 Nobuyuki Ota●Contribution	Characteristics of Hydraulic Cylinders Used in Standard Industrial Machinery andTheir Seal System Problems―Responding to the MRO Market

Winter 2018

Explaining the PTFE Linear Coefficient of Expansion
Division

Development Division

TAIYO,LTD. Toshinori Ueda

No.3446