Treatment liquid applicator and printer including same

Patent metadata

Field	Value
Publication number	US-2018001671-A1
Application number	US-201715627654-A
Country	US
Kind code	A1
Filing date	Jun 20, 2017
Priority date	Jul 1, 2016
Publication date	Jan 4, 2018
Grant date	—

Abstract

A treatment liquid applicator includes a storage container and an outlet. The storage container stores a treatment liquid. The outlet is disposed at the storage container. The outlet includes an outlet opening through which the treatment liquid flows from the storage container to an outside of the storage container. The outlet extends from an inner wall surface of the storage container.

First claim

What is claimed is:

1 . A treatment liquid applicator comprising:
a storage container to store a treatment liquid; and an outlet disposed at the storage container, the outlet including an outlet opening through which the treatment liquid flows from the storage container to an outside of the storage container, the outlet extending from an inner wail surface of the storage container.

2 . The treatment liquid applicator according to claim 1 ,
wherein the outlet includes an opening portion communicated with an inside of the outlet.

3 . The treatment liquid applicator according to claim 2 ,
wherein the outlet is disposed on a side wall of the storage container, and wherein the opening portion is disposed at a position lower than a center of the outlet in a gravitational direction.

4 . The treatment liquid applicator according to claim 2 ,
wherein the outlet is disposed on a bottom of the storage container, and wherein a lower end of the opening portion is disposed at a position higher than the bottom of the storage container in a gravitational direction.

5 . The treatment liquid applicator according to claim 2 ,
wherein the opening portion has an opening area equal to or greater than an opening area of the outlet opening.

6 . The treatment liquid applicator according to claim 2 ,
wherein the opening portion has an opening area equal to or greater than 1.77 mm 2 .

7 . The treatment liquid applicator according to claim 1 ,
wherein a leading face including the outlet opening of the outlet is slanted with respect to a direction in which the treatment liquid flows from the outlet opening to the outside of the storage container, and wherein the outlet is disposed with the outlet opening directed toward a bottom of the storage container.

8 . The treatment liquid applicator according to claim 1 , further comprising:
a squeeze roller partially immersed in the treatment liquid in the storage container; and a coating roller disposed opposite the squeeze roller, wherein the squeeze roller supplies the treatment liquid to the coating roller, to form a film of the treatment liquid on the coating roller.

9 . The treatment liquid applicator according to claim 8 ,
wherein the outlet is disposed upstream of a contact portion between a medium and the coating roller in a direction of conveyance of the medium.

10 . The treatment liquid applicator according to claim 8 ,
wherein the outlet vertically overlaps the coating roller.

11 . A printing apparatus comprising a treatment liquid applicator, the printing apparatus including:
a storage container to store a treatment liquid; and an outlet disposed at the storage container, the outlet including an outlet opening through which the treatment liquid flows from the storage container to an outside of the storage container, the outlet extending from an inner wall surface of the storage container.

Assignees

• Ohba Tetsuya
• Ricoh Co Ltd

Inventors

• Ohba Tetsuya

Classifications

• C23C14/22

  characterised by the process of coating · CPC title

• B41J11/0015 Primary

  for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing (selective coating B41J2/2114) · CPC title