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Ink pipe choke plug of ink-jet print head and laser welding method thereof

An inkjet print head and ink conduit technology, applied in printing and other directions, can solve problems such as long curing time, print head failure, and impracticality

Inactive Publication Date: 2008-05-07
LEXMARK INT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, ultrasonic welding often causes burnt particles and other matter to enter the printhead (possibly clogging ink conduits and / or nozzle holes), leading to premature printhead failure
Adhesives have the problem of impractically too long cure times

Method used

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  • Ink pipe choke plug of ink-jet print head and laser welding method thereof
  • Ink pipe choke plug of ink-jet print head and laser welding method thereof
  • Ink pipe choke plug of ink-jet print head and laser welding method thereof

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Embodiment Construction

[0027] In the detailed description of the preferred embodiments, reference is made to the accompanying drawings, which form a part of this specification, and to specific embodiments for carrying out the invention by way of example. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, although other embodiments may, of course, be utilized, and changes in process and other aspects may be made without departing from the scope of the invention. Therefore, the following detailed description is not to be understood in a limited sense, and the scope of the invention is defined only by the appended claims and their equivalents.

[0028] In accordance with the present invention, ribbon-shaped ink conduit plugs and / or ink conduit plugs that hermetically seal the printhead ink conduits are described below, thereby eliminating the problems of prior art ultrasonically welded or bonded plugs.

[0029] The various views of FIGS. 1...

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PUM

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Abstract

The invention relates to an inkjet print head, which comprises a main body provided with an inner part and an outer part, a plurality of ink feed tanks, at least two ink guide tubes, and at least two ink guide tube plug parts, wherein, the inner part of the main body is provided with a plurality of ink chambers, and each ink chamber is provided with an ink discharge opening; each ink feed tank is used for receiving the ink discharged from one ink discharge opening; each ink guide tube is positioned between one ink discharge opening and one ink feed tank, and is provided with an opening arranged outside the main body; each ink guide tube plug part is covered at one opening outside the main body, and at least two ink guide tube plug parts are connected with together via a connecting plate made of flexible material and configured with an angle or a plurality of angles.

Description

[0001] This application is a divisional application of Chinese Patent Application No. 200480014802.2 (application date: April 13, 2004; title of invention: ink conduit plug for inkjet print head and its laser welding method). technical field [0002] The present invention relates to ink jet printheads, and more particularly to plugs for sealing ink conduits between ink chambers and heater lamellae in ink jet printheads, and more particularly to laser welding such ink conduit plugs to ink jet printing head body. Background technique [0003] Ink jet printing technology is well known and, generally speaking, images are produced by instantaneously firing droplets of ink from an ink jet print head impacting a print medium, such as paper, at a desired location. The printhead is supported by a device, such as a movable print carriage in an inkjet printer, and reciprocates relative to the advancing print medium to fire droplets of ink in time as directed by a microprocessor or othe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/175
Inventor J·J·布坎南G·V·法塔克
Owner LEXMARK INT INC
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