Cordovan of Randoseru(Backpack)

The cordovan leather is the buttocks of the horse for farming.

The quality of leather changes with the food and health condition of a place or a horse in which a horse is.

Since the skin of the buttock of a horse has the high density of fiber structure, it is more lustrous than artificial suede and oxhide leather. 

　　　　　　　　　　　　　Cordovan　of Randoseru(Backpack)

The backpack using the high cordovan of fiber structure is somewhat heavier than other backpacks. 

Natural oxhide leather of Randoseru(Backpack)

The natural oxhide leather to use for schoolchild's satchel production has many hides of the ox two years or older.

The quality of a material changes with the food which the place in which a bull is present, and a bull eat, the health condition of a bull, or portions of cowhide.

Since leather will become pliant if the feature of oxhide leather is used for years, the touch which touched leather becomes good. 

　　　　　　　　　　　　　The leather of Randoseru(Backpack)

If a backpack is used for years, a crack crack may occur on the surface of leather. 

However, a crack is a proof which it continued using. 

A crack is difficult to be attached with the surface treatment technology of the latest leather.
moreover, waterproofness and durability -- having improved . 

The factory tour of Clarino

The professor of the laboratory where I belonged to college days was a former machine section chief ofKURARAY CO.,LTD.

All the members of the member of laboratory position talked about a factory tour. We decided to go to the Okayama establishment of KURARAY CO.,LTD in support of the suggestion of the professor.

                    The Okayama establishment  of KURARAY CO.,LTD

I went to the Okayama establishment on a car for hire for consideration of KURARAY CO.,LTD when I left Okayama Station. A large number of employees met us when they arrived at the establishment.

In a meeting room, Kuraray employee explained the whole aspect of the business to us. And we were guided to the clarino manufacturing facility. In the waterway, killifish swam.

A big machine wound the flexible cloth sheet of the clarino off when I entered the factory.

When we left the establishment, a car for hire waited. We went to Okayama Station on a car for hire while receiving the seeing off of a large number of employees.

* Clarino is a trademark of KURARAY CO.,LTD

Clarino(Artifical leather) of Randoseru(Backpack)

There are artificial suede, oxhide leather, and cordovan in the main material of a Randoseru(backpack).

Clarino* is the artificial suede which Kuraray which is a company which Japan is proud of in the world manufactured using the polyester fiber which has special structure which KURARAY CO.,LTD developed. 

The characteristic of the clarino is the following than natural leathers.
１．It is a light thing.
２．It is easy to do processing of the cloth.
３．It is easy to do product production.
４．The durability, scratch resistance , water resistance are good.

There are various kinds including a thing and the considerably durable thing which made much of lightness by production and processing.


* Clarino is a trademark of KURARAY CO.,LTD

Randoseru(Backpack) & The human body

                                   Backboard of Randoseru(Backpack)

In order to walk safely, it can be necessary to use both hands freely.
Moreover, in order for the body and soul to be healthy, it is necessary to improve a posture.
It has designed in the Randoseru(backpack) to become a natural posture.

1. The shoulder string becomes the three-dimensional form. In addition, pat is what is entered, and a string is hard to cut into a shoulder.

2.  The interlocking movement prevents that a people's satchel slips down to the left or right.

3. The irregularities of the backboard are different by the thought of each maker.
　 However, the unevenness prevents you from centralizing the weight of Randoseru(Backpack) in a part of the shoulder and the waist and the back.

Randoseru(Backpack) & Hook accident

               　　　　　　

                                                 Hooks(D ring,Swivel)

 

                                                  Hook accident

When pepple hook strongly the goods hung on the hook on a Rndoseru(Backpack), a safety feature from which a hook separates is on the Randoseru(Backpack).
　　　　　　　　　　　　　　

Randoseru(Backpack) & Drowning accident

A Randoseru(backpack) tries to protect those who are carrying the Randoseru(backpack) on their back.
Ｆｉｒｓｔ, the thickness of a backpack eases the shock from the back received suddenly.
In any case,when it falls to a waterway or a deep puddle, a backpack becomes instead of an air bladder

Experience of the buoyancy　　　

                                   The source : yu-kan daily Web