Spray Nozzle Range Restriction for Cleaner Textile Printing

A restriction member is introduced as an intermediary component between the spray nozzle and the platen. This restriction member confines the processing liquid within a specific discharge range, preventing it from spreading beyond the platen boundaries. The restriction member acts as a mediator that allows the processing liquid to reach the printing medium while blocking its path to the device support and installation surface, thereby resolving the contamination issue without compromising base layer formation.

The restriction member creates a localized application zone for the processing liquid. By configuring the restriction member with specific geometry (such as a tube or baffle structure), the processing liquid is directed only to the intended area on the platen where the printing medium is positioned. This localizes the beneficial effect (base layer formation) to the correct location while preventing the harmful spread to surrounding areas.

The restriction member serves as a physical barrier that intercepts the fan-shaped spray pattern. It allows the processing liquid to cover the necessary area on the platen while blocking the outward flow that would otherwise reach the device supporting structures. The intermediary structure thus maintains adequate coverage without enabling harmful adhesion.

The restriction member introduces a spatial dimension constraint to the processing liquid discharge. By positioning the restriction member between the spray nozzle and platen at a specific distance and orientation, it creates a three-dimensional confinement zone that guides the liquid coverage while preventing lateral spread to supporting structures.