Claims
- 1. Apparatus for applying liquid having low viscosity to web material such as textile without the aid of a doctor blade, comprising: a freely rotatable top roller supported from below by engagement with a freely rotatable intermediate roller which forms a nip for receiving an advancing length of the web, said top roller and intermediate roller developing a pressure in said nip which is less then approximately 0.2 kg/cm so that the advancing web rotates said rollers and a freely rotatable applicator roll engaging said intermediate roller from below and supporting said intermediate roller and said top roller whereby said applicator roll is rotated by said intermediate roller, said applicator roll being partially immersed in a bath of the liquid to be applied and having a metal surface provided with cup-shaped recesses.
- 2. A process for applying liquid having low viscosity to an advancing textile web without the use of a doctor blade, comprising: passing the advancing web through a nip formed between a top freely rotatable roller and an intermediate freely rotatable roller which supports the top roller whereby the advancing web rotates the rollers, the top and intermediate rollers developing a pressure in the nip which is less than approximately 0.2 kg/cm; and transferring liquid from a bath thereof to the intermediate roller in the form of a film thereof by a freely rotatable applicator roller which is partially immersed in the bath, which applicator roller supports the intermediate roller from below so as to be rotated by the intermediate roller and which has a metal surface provided with cup-shaped recesses.
- 3. A process as in claim 2, wherein at least the surface of the intermediate roller is elastic.
- 4. Apparatus as in claim 1, wherein at least the surface of the intermediate roller is elastic.
Priority Claims (1)
Number |
Date |
Country |
Kind |
7501900 |
Feb 1975 |
NLX |
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Parent Case Info
This is a continuation-in-part of Aplicant's co-pending U.S. patent application Ser. No. 659,143 filed Feb. 18, 1976, now abandoned.
US Referenced Citations (2)
Non-Patent Literature Citations (1)
Entry |
Booth, G. L., Coating Equipment and Processes, N.Y. Lockwood Publ., 1970, pp. 152 and 153. |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
659143 |
Feb 1976 |
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