Manufacturing Base (Domestic)

Manufacturing Base (Overseas)

Manufacturing Base (Domestic)

Kurakake Plant

Main production items
Reserve tank
Urea water tank
Rubber injection molding: air intake hose
Rubber product manufacturing equipment
Pressure kneader 2 units
Mixing roll 2 units
Rubber cutting machine 1 unit
Complete weighing system 1 unit
200ton rubber injection molding machine 3 units
Plastic product manufacturing equipment
Hot plate melting machine 20 units
Leak inspection machine 9 units
Assembly machine 10 units
Press forming machine 1 unit
Slitting machine 1 unit
Honing machine 2 units
Band saw 1 unit
Cutting machine 1 unit

ISO9001, ISO14001 certified

Kurakake Plant
・April 2004 ISO 9001 certified
・July 2007 ISO14001 certified

Kurakake Plant
・November 2018 ISO 9001 certified
・November 2018 ISO14001 certified

The Technical Center

At Mitoyo, we supply rubber products using our self-developed rubber formulations to various industries, including the automotive industry.
Our Technical Center conducts research and development, improvement, quality checks for rubber materials used in our own and cooperative factories, and performance evaluations of our products.
Furthermore, we are accumulating knowledge on molding and processing of plastic products to meet the needs of our customers.

Welding and assembly of plastic products

The process of manufacturing plastic products, including welding, leak testing, and final inspection, from small reserve tanks to large urea solution tanks, is carried out on a compact production line with a small number of workers.

  • address
    4119-2 akahori, oura, oura, Gunma, 370-0614
  • TEL
    0276-70-2777
  • FAX
    0276-70-2830
         

Kumagaya Plant

Main products
Hose & pipe for air conditioner
Main equipment (Pipe Line)
Terminal processing machine & rolling machine 2 units
High-frequency brazing 1 unit
 Robot bendor 2 units
Helium leak tester 1 unit
Main equipment (Hose Line)
Pipe cutter 3 units
Nipple processing machine 4 units
Terminal processing machine & rolling machine 7 units
NC bendor 10 units
Robot bendor 4 units
Brazing 10 units
Heat treat furnace 1 unit
Hose caulking machine 9 units
Water leak tester 4 units

ISO9001 certified

December 2003 ISO 9001 certified

The feature of our Hose & Pipe’s Processing, Welding and Assembly

In our production line, aluminum pipe’s terminal processing, bending etc. are automated. In addition to that depend on the requested applications, utilize most adequate processing technologies such as hose caulking, brazing, etc. and regarded as a mother factory of high- & low-pressure hose & pipe.

Capability to apply for high-mix and low-volume production

In our plant, jigs and tooling for manufacturing are in-house design and production. Accordingly, we have capability to apply even high-mix and low-volume production products. Also we have been manufacturing parts for various types of vehicles, such as passenger cars, trucks, construction machinery, and EVs.

  • address
    370-1 sendai, kumagaya, Saitama, 360-0107
  • TEL
    048-536-6911
  • FAX
    048-536-6910

Kyushu Plant

Main products
Reserve tank
Air cleaner
Sound creator
Plastic molded products: Fuel Lids, Canister
Hose & pipe for car air conditioner
Main equipment (Plastic Molding)
230ton Plastics Injection molding machine 1 unit
75ton Plastics vertical Injection molding machine 1 unit
Vibration welding machine 1 unit
Mold temperature controller 6 units
Hot air dryer 1 unit
Dehumidifier dryer 1 unit
Hot plate welding machine 4 units
Leak tester 2 units
Band saw 3 units
High speed cutter 1 unit
Drilling machine 3 units
Thermostatic bath 1 unit
Main equipment (Hose & Pipe)
Pipe cutter 2 units
Nipple processing machine 2 units
Terminal processing machine & rolling machine 4 units
Brazing machine 5 units
Robot bendor 5 units
Helium leak tester 2 units

ISO9001 certified

Plastics Molding
・April 2007 ISO 9001 certified

Hose & Pipe
・January 2018 ISO 9001 certified

Plastic molding, welding and assembly line

Kyushu Plant plastic factory has Molding machines as well as machines for post molding secondary processing, such as for vibration welding, hot plate welding in order to meet various customer needs.

Hoses & pipes

The Kyushu Factory (Hoses & Pipes) is operating with the latest equipment designed for efficient production line.

75ton Vertical plastic injection molding machine

This machine is actively used as a vertical molding machine for insert molding of elastomers.

  • address
    〒825-0001
    1824-17 ikari, tagawa, Fukuoka, 825-0001
  • TEL
    0947-46-5003
  • FAX
    0947-46-5004
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