Coil binding

The ring bond, also known as spiral binding, is a popular book or Blattbindeart who particularly like is used for presentations. A metal wire with a kind of double helix is formed, which passes through the pre- punched paper sheets. Sometimes a kind of plastic comb used. It is an inexpensive and stable at the same type of binding. The disadvantage is that is lost by the necessary perforation of the leaves of floor space.

Technology

Depending on the book or calendar strength different coil diameter are used. We distinguish between plastic spirals ( made ​​of hard - PVC) and wire spirals ( with a thin nylon jacket coated).

Designation

Colloquial forms are often called spirals, although it is a coiled figure. The term spiral binding, however, has firmly established itself in the use of language. As explained above, the spiral binding is only a special form of ring binding.

The mixing of the two terms is misleading because no distinction is made between rings and spiral, although this is in a case are separate and discrete compounds of perforations (ring), in the other case to indiscreet compounds ( spiral), so the connection all perforations together.