Bone folder

The bone folder is a traditional tool of craft paper processing. It takes place mostly in bookbinding and graphic arts ( for example, when packaging design in the manufacturing of models and prototypes for secondary packaging made ​​of cardboard ) use.

A bone folder consists of a flat, 12 to 20 cm long piece of beef leg or whalebone (the word leg here is the term for bone as a material ) with a rounded tip and is for producing and flat rubbing the kinks during folding ( folds ) of paper and cardboard used.

The bone folder is usually with a ruler as a guide, in the outside of the carton or paper rubbed a groove. At this groove of cardboard or paper is folded and flat grated sharp. This procedure ( folding) the paper or the cardboard at the folding is relaxed so as not to break when folded. So can be set with high precision clean folds. Previously Bone Folder were also used for, Line.

There are smaller, narrow Lederfalzbeine, colloquially also called bone, as well as larger with a round tip. Even the name " Elephant " is in use ( in the mistaken assumption would Bone Folder made ​​of ivory). Today, Bone Folder from wood, plastic, stainless steel and Teflon are made.

In particular, Bone Folder made ​​of bone are especially prepared by their owner and are considered " personal" tool that is reluctant to leave to others.