Process for the treatment of a web
Реферат: ABSTRACT OF THE DISCLOSURE A process for the treatment of a web of material in which a foam containing a first treatment agent is applied as a layer to an advancing web and left to act thereon, said process including the step of applying at least one further treatment agent in foam or liquid or paste or solid form, said further treatment agent being allowed to interact with the first treatment agent.
Apparatus for the contact-free treatment of materials which can be stressed in a lengthwise direction
Номер патента: US3686903A. Автор: Hans Fleissner. Владелец: Vepa AG. Дата публикации: 1972-08-29.