Manufacturing of a standard specimen is placed in the starting point of physical test.
To obtain more stabilized and high superior data affects closely on advancement of test accuracy itself.
As total performance of each testing machine being supplied by each manufacturer of testing machine is keeping on improving greatly, it is inevitable to up the grade in sampling of various kinds of standard specimen.

DUMBBELL CO., LTD was founded as the sole specialized equipment manufacturer of Japan to make standard specimen in this field, i.e., physical test for high polymer materials.

We have developed and designed Super Dumbbell® as well as many other original products and have also supplied them not only in domestic, but to wide markets in abroad.
We have many patents in Japan and several countries in overseas for Super Dumbbell®, Forming Mold and various Cutting Equipment.

All Super Dumbbell® are made in Japan.
PAY SPECIAL ATTENTION TO SIMILAR PRODUCTS OF SUPER DUMBBELL®.

LOCATIONS

Head office:2243-1, Kasahata, Kawagoe-Shi, Saitama-Ken, Japan
TEL:+81 49 232 1550 (Operator)
FAX:+81 49 233 5242
E-mail:cutter@dumbbell.co.jp
Plant:79-25, Kasahata, Kawagoe-Shi, Saitama-Ken, Japan

MAIN BUSINESSES

1.Designing/manufacturing/selling of physical testing machines and related jigs for high polymer materials, e.g., rubber, plastic, etc.

2.Designing/manufacturing/selling of test specimen forming molds.

3.Designing/manufacturing/selling of punching cutters for test specimen and various kinds of punching cutters for other use.

4.Designing/manufacturing/selling of manual press and pneumatic or hydraulic cutting machines.

5.Designing/manufacturing/selling of forming press machines for testing and transfer forming machines.

COMPANY HISTORY

February 7, 1978 Established and started the manufacturing and selling specially for the lines of physical testing machines and related jigs.
August, 1978 Developed new product, Super DumbbellR and sent this product into market.
For the sampling method of a standard specimen in this field by this product, big sensation and high reputation were given to this product from many users both in domestic and abroad. As the result, its delivery results were acceleratory expanded and it occupied the share of 75%.
October, 1981 Jointly developed many automatic sampling equipments, etc. with Technical Center of Bridgestone Co., Ltd. and also jointly filed a lot of patents with them.
May, 1991 Finalized agency agreement with O.D.I. (who has footholds in Canada and U.S.A. and is a big die manufacturer) for the sales in Canada, U.S.A. and European markets.
January, 1993 Jointly developed vulcanized mold of rubber sheet for test specimen with Hiratsuka Plant of The Yokohama Rubber Co., Ltd.
1993~ Finalized agency agreements with the companies located in Korea, Singapore, Thailand and Taiwan.
May, 1994 Jointly developed tablet forming machine for resin test with Gunma Plant of Shin-Etsu Chemical Co., Ltd.
January, 1999 Developed plastic test specimen cutting machine corresponds to New JIS, started selling and have filed a patent.
January, 2000 Finalized agency agreement with Richard Hess MBV GmbH (who is a manufacturer specializing in this field having footholds in Germany, Holland, Austria and Switzerland) for the sales in these limited markets.
2002~ Developed automatic slab sheet cutting machine equipped with laser marking function (to mark sample numbers, etc. to the cut test specimen), started selling.
September, 2002 Jointly developed brittleness temperature test specimen cutting machine with Idemitsu Petrochemical Co., Ltd. and jointly filed patent with them.
May, 2006 Finalized agency agreement with a company in China (East China region).
2008~ Developed vulcanized press forming machine equipped with inverter type pump, started selling.
2009~ Developed automatic slab sheet cutting machine equipped with inkjet printing function (to print sample numbers, etc. to the cut test specimen), started selling.

MAIN COUNTRIES WE HAVE EXPORTED

Argentina, Australia, Bangladesh, Brazil, Canada, Chile, China, Egypt, France, Germany, Holland, Hong Kong, Hungary, India, Indonesia, Iran, Italy, Korea, Malaysia, Mexico, New Zealand, Pakistan, Philippines, Poland, Russia, Saudi Arabia, Singapore, South Africa, Spain, Taiwan, Thailand, Turkey, U.S.A., United Kingdom, Vietnam,

MAIN CUSTOMERS (Names are listed without honorific in random order.)

Ministry of Finance
Ministry of Economy, Trade and Industry
Ministry of Education, Culture, Sports, Science and Technology
Japan Post Holdings
Japan Broadcasting
Chemicals Evaluation and Research Institute, Japan
Japan Chemical Innovation and Inspection Institute
Japan Weathering Test Center
Japan Aerospace Exploration Agency
National Institute of Advanced Industrial Science and Technology
Japan Atomic Energy Agency
Japan Science and Technology Agency
Riken, Japan


 
The University of Tokyo
Kyoto University
Hokkaido University
Tohoku University
University of Tsukuba
Hiroshima University
Tokyo Medical and Dental University
Tokyo Institute of Technology
Waseda University
Keio University
Meiji University
Kogakuin University


 
AGC
Ajinomoto
Asahi Kasei
Bridgestone
Canon
Cosmo Oil
Daikin Industries
Dai Nippon Printing
Denka
Dic
Fujifilm
Fujitsu
Furukawa Electric
Hitachi
Honda R&D
Idemitsu Kosan
IHI
JFE Holdings
JNC Petrochemical
JSR
JX Nippon Oil
Kao
Kobe Steel
Komatsu
Konica Minolta Holdings
Kubota
Kuraray
Mitsubishi Chemical
Mitsubishi Motors
Mitsui Chemicals
Nippon Steel
Nippon Telegraph and Telephone
Nissan Motor
Nisshinbo Holdings
Nitta
NOK
Olympus
Omron
Panasonic
Ricoh
Seiko Epson
Sekisui Chemical
Sharp
Shin-Etsu Chemical
Sony
Sumitomo Chemical
Sumitomo Riko
Sumitomo 3M
Suzuki Motor
The Japan Steel Works
The Yokohama Rubber
Tokyo Electric Power
Toray Industries
Toshiba
Toyota Motor
Toyo Tires
Ube Industries
Yazaki
YKK
Zeon


 
BASF
Bayer
BOSCH
Dow Chemical
Dow Corning
Du Pont
GE
Henkel
Hyundai
LG
Michelin
Momentive
P&G
Samsung
3M

2243-1,Kasahata,Kawagoe-Shi, Saitama-Ken, Japan+81 49 232 1550

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