Patent EP0314513A2 successfully refreshed from Google Patents.
EP0314513A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Ink jet recording apparatus
Assignee: Canon Inc
•
Filing: 1988-10-28
•
Granted: —
•
Expires: 2008-10-28
Abstract
Abstract In a method of cleaning the vicinity of the discharge port (5) of an ink jet recording apparatus, cleaning comprising wiping the vicinity of the discharge port by a blade (10) with a certain contact surface with respect to the vicinity of the discharge port and cleaning comprising rubbing the vicinity of the discharge port by rubbing means (11) with a contact surface larger than said contact surface are effected independently of each other.
Inventors
- 👤 Masaaki Nakamura
- 👤 Yoshiaki Kaburagi
- 👤 Takanori Mukai
- 👤 Shoichiro Shoda
- 👤 Koji Terasawa
- 👤 Akira Miyakawa
- 👤 Hideki Yamaguchi
- 👤 Shinya Matsui
- 👤 Mikio Shiga
- 👤 Shigeru Tsuyukubo
- 👤 Yoji Laionzu Manshon Ohkurayama 602 Ara
- 👤 Katsuyuki Yokoi
- 👤 Tetsuo Kimura
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-30 07:38
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/135; B41J2/165; B41J2/16505; B41J2/16508; B41J2/16517; B41J2/16535; B41J2/16538
Claims Analysis
Total Claims: 36
Claim 1
Independent Claim
74 words
A method of cleaning the vicinity of the discharge ports of an ink jet recording apparatus, characterized in that cleaning comprising wiping the vicinity of said discharge ports by a blade with a certain contact surface with respect to the vicinity of said discharge ports and cleaning comprising rubbing the vicinity of said discharge ports by rubbing means with a contact surface larger than said certain contact surface are effected independently of each other.
Claim 2
Independent Claim
74 words
A method of cleaning the vicinity of the discharge ports of an ink jet recording apparatus, characterized in that cleaning comprising wiping the vicinity of said discharge ports by a blade with a certain contact surface with respect to the vicinity of said discharge ports and cleaning comprising rubbing the vicinity of said discharge ports by rubbing means with a contact surface larger than said certain contact surface are effected independently of each other.
Claim 3
Dependent Claim
21 words
A method according to Claim 1, wherein said cleaning by said rubbing means is lesser than said cleaning by said blade.
Claim 4
Dependent Claim
22 words
A method according to Claim 1, wherein said cleaning by said blade is effected for each desired time during the recording operation.
Claim 5
Dependent Claim
27 words
A method according to Claim 1, wherein said cleaning by said blade is effected at each recording of a desired number of lines during the recording operation.
Claim 6
Dependent Claim
20 words
A method according to Claim 1, wherein said cleaning by said rubbing means is effected after power-ON and before recording.
Claim 7
Dependent Claim
33 words
A method according to Claim 1, wherein said cleaning by said rubbing means is effected when the temperature detected by temperature detecting means provided in said apparatus reaches a desired temperature or higher.
Claim 8
Dependent Claim
30 words
A method according to Claim 1, wherein said cleaning by said rubbing means is effected at a time interval greater than the time interval of said cleaning by said blade.
Claim 9
Dependent Claim
54 words
An ink cartridge removably mounted with respect to an ink jet recording apparatus having a cleaning member for cleaning the vicinity of discharge ports for discharging the ink of a recording head therethrough, and containing ink to be supplied to said head, characterized by means for connecting said cleaning member and said cartridge together.
Claim 10
Dependent Claim
54 words
An ink cartridge removably mounted with respect to an ink jet recording apparatus having a cleaning member for cleaning the vicinity of discharge ports for discharging the ink of a recording head therethrough, and containing ink to be supplied to said head, characterized by means for connecting said cleaning member and said cartridge together.
Claim 11
Dependent Claim
15 words
An ink cartridge according to Claim 8, wherein said cleaning member is a rubbing member.
Claim 12
Dependent Claim
14 words
An ink cartridge according to Claim 8, wherein said cleaning member is a blade.
Claim 13
Dependent Claim
15 words
An ink cartridge according to Claim 8, wherein said cleaning member is a porous member.
Claim 14
Dependent Claim
15 words
An ink catridge according to Claim 8, wherein said cleaning member is an elastic member.
Claim 15
Dependent Claim
34 words
An ink cartridge according to Claim 8, wherein said cleaning member is connected so as to be capable of preventing the mounting of said ink cartridge with respect to said ink jet recording apparatus.
Claim 16
Dependent Claim
83 words
An ink jet recording apparatus having: a recording head having discharge ports for discharging ink therethrough; blade means for wiping the vicinity of said discharge ports with a certain contact surface with respect to the vicinity of said discharge ports; rubbing means for rubbing the vicinity of said discharge ports with a contact surface larger than said contact surface; and control means for driving the wiping operation by said blade means and the rubbing operation by said rubbing means independently of each other.
Claim 17
Dependent Claim
83 words
An ink jet recording apparatus having: a recording head having discharge ports for discharging ink therethrough; blade means for wiping the vicinity of said discharge ports with a certain contact surface with respect to the vicinity of said discharge ports; rubbing means for rubbing the vicinity of said discharge ports with a contact surface larger than said contact surface; and control means for driving the wiping operation by said blade means and the rubbing operation by said rubbing means independently of each other.
Claim 18
Dependent Claim
36 words
An ink jet recording apparatus according to Claim 14, wherein said control means drives said rubbing means by the input of a desired switch, and drives said blade means on the basis of a desired sequence.
Claim 19
Dependent Claim
26 words
An ink jet recording apparatus according to Claim 14, wherein said control means drives said rubbing means when the downtime of recording exceeds a desired time.
Claim 20
Dependent Claim
34 words
An ink jet recording apparatus according to Claim 14, further having temperature detecting means and wherein said rubbing means is driven when the temperature detected by said temperature detecting means exceeds a desired temperature.
Claim 21
Dependent Claim
28 words
An ink jet recording apparatus according to Claim 14, further having a cap for covering said discharge ports and wherein said rubbing means is moved with said cap.
Claim 22
Dependent Claim
51 words
An ink jet recording apparatus according to Claim 14, wherein said recording head effects said wiping operation and said rubbing operation in a position corresponding to said blade means or said rubbing means by said blade means or said rubbing means and said recording head being moved relative to each other.
Claim 23
Dependent Claim
49 words
An ink jet recording apparatus according to Claim 14, wherein said blade means has an elastic member at a portion in which it can bear against said recording head, and said rubbing means has a porous member at a portion in which it can bear against said recording head.
Claim 24
Dependent Claim
41 words
An ink jet recording apparatus according to Claim 20, wherein said elastic member is formed of silicone rubber or butyl rubber, and said porous member is formed of at least one of urethane, polyurethane, polyvinyl alcohol, polyethylene, polyvinyl formal and polypropylene.
Claim 25
Dependent Claim
37 words
An ink jet recording apparatus according to Claim 14, wherein said recording head is a head for forming an image by the use of recording liquid which utilizes heat energy to form droplets of the recording liquid.
Claim 26
Dependent Claim
18 words
An ink jet recording apparatus according to Claim 14, wherein said recording head has an electrothermal converting member.
Claim 27
Dependent Claim
29 words
An ink jet recording apparatus according to Claim 14, wherein said recording head has an ink tank containing ink therein and is removably mounted with respect to said apparatus.
Claim 28
Dependent Claim
34 words
An ink jet recording apparatus according to Claim 14, wherein said recording head is a full line type head which is stationary relative to a recording medium and discharges ink to thereby accomplish recording.
Claim 29
Dependent Claim
24 words
An ink jet recording apparatus according to Claim 14, wherein the discharge port surface of said recording head is subjected to ink-repellent surface treatment.
Claim 30
Dependent Claim
18 words
An ink jet recording apparatus according to Claim 14, further having heating means for heating a recording medium.
Claim 31
Dependent Claim
132 words
An ink jet recording apparatus having a carriage for scanning a recording head having discharge ports for discharging ink therethrough relative to a recording medium, and heating means for heating said recording medium, characterized by: blade means provided outside the recording area for wiping the vicinity of said discharge ports on the basis of a predetermined sequence during the recording operation; rubbing means differing from said blade means and provided at a position outside the recording area whereat it can contact with said recording head; and means for moving said carriage to the vicinity of a position at which it can contact with said rubbing means, said means producing a command for cleaning the vicinity of said discharge ports by said rubbing means when a predetermined signal is input to said means.
Claim 32
Dependent Claim
132 words
An ink jet recording apparatus having a carriage for scanning a recording head having discharge ports for discharging ink therethrough relative to a recording medium, and heating means for heating said recording medium, characterized by: blade means provided outside the recording area for wiping the vicinity of said discharge ports on the basis of a predetermined sequence during the recording operation; rubbing means differing from said blade means and provided at a position outside the recording area whereat it can contact with said recording head; and means for moving said carriage to the vicinity of a position at which it can contact with said rubbing means, said means producing a command for cleaning the vicinity of said discharge ports by said rubbing means when a predetermined signal is input to said means.
Claim 33
Dependent Claim
30 words
An ink jet recording apparatus according to Claim 28, wherein said signal is a signal for driving a recovery device for sucking ink through a cap covering said discharge ports.
Claim 34
Dependent Claim
20 words
An ink jet recording apparatus according to Claim 28, wherein said means moves said carriage relative to said rubbing means.
Claim 35
Dependent Claim
30 words
An ink jet recording apparatus having an ink discharge port, means to wipe liquid ink from around the port, and means to remove dried ink film from around the port.
Claim 36
Dependent Claim
30 words
An ink jet recording apparatus having an ink discharge port, means to wipe liquid ink from around the port, and means to remove dried ink film from around the port.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.