# US 2019/0168135 A1 · Hollow fiber membrane module, degassing and gas supplying device, inkjet printer, and device for manufacturing carbonated spring > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0168135 A1 - Document ID: US20190168135A1 - Status: Published application - Kind: A1 - Application number: 16/267,426 - Filed: 2019-02-05 - Published: 2019-06-06 - Earliest claimed: 2016-08-17 - Assignees: Mitsubishi Chemical Cleansui Corporation - Applicants: Mitsubishi Chemical Cleansui Corporation - Inventors: Yoshie TANIZAKI; Hiroyuki OKAZAKI; Yoshiichi NAKAGAWA; Masanori ITAKURA; Kaoru TERAZAWA; Nobuyuki KIKUYA; Hiroyuki TANAKA; Hideo KUMAMOTO; Hiroyuki FUJIKI; Kentarou ODA - Web page: https://patentgrep.com/patent/US20190168135A1 ## CPC - B01D 19/0042: {modifying the liquid flow (B01D19/0021 takes precedence)} - B41J 2/175: Ink supply systems {; Circuit parts therefor} - B01D 19/00: Degasification of liquids - B01D 61/00: Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor (separation of gases or vapours by diffusion B01D53/22) - B01D 63/02: Hollow fibre modules - B01D 63/0224: {Opening the fibre ends after encapsulation} - B01D 69/02: characterised by their properties - B01D 69/08: Hollow fibre membranes (manufacture of hollow fibres D01D5/24, D01F1/08) - B01D 69/081: {characterised by the fibre diameter} - B01F 21/00: Dissolving (separating by dissolving B01D; dissolving to effect cooling F25D5/00) - B01F 23/20: Mixing gases with liquids - B41J 2/17563: {Ink filters} - B41J 2/18: Ink recirculation systems - B41J 2/19: for removing air bubbles - B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28) - B41J: TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS - B01F: MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING (mixing paints B44D3/06) ## Abstract The present invention pertains to a hollow fiber membrane module (5) for removing gas from an objective liquid or supplying gas to the objective liquid, comprising: a hollow fiber membrane bundle (20); and a collecting member (51) configured to collect first ends (20a) of the hollow fiber membrane bundle (20) while maintaining openings of opened end portions (22a) of hollow fiber membranes (22) of the hollow fiber membrane bundle (20), wherein the collecting member (51) has a coupling portion configured to couple the collecting member (51) to an installation object in a detachable and liquid-tight manner. ## Claims ### Claim 1 A hollow fiber membrane module for removing gas from an objective liquid or supplying gas to the objective liquid, comprising: a hollow fiber membrane bundle; and a collecting member configured to collect first ends of the hollow fiber membrane bundle while maintaining openings of opened end portions of hollow fiber membranes of the hollow fiber membrane bundle, wherein the collecting member has a coupling portion configured to couple the collecting member to an installation object in a detachable and liquid-tight manner. ### Claim 2 (depends on 1) The hollow fiber membrane module according to claim 1, wherein the coupling portion has an outer shape fittable to an opening of the installation object. ### Claim 3 (depends on 2) The hollow fiber membrane module according to claim 2, wherein the coupling portion has a circular cylindrical shape, and the installation object is a pipe fitting. ### Claim 4 (depends on 1) The hollow fiber membrane module according to claim 1, wherein the collecting member has a housing that houses first ends of the hollow fiber membrane bundle and a fixing portion that fixes the first ends of the hollow fiber membrane bundle to the housing in a liquid-tight manner while maintaining an opening of an opened end portion of the hollow fiber membrane, and a part of the housing corresponding to the coupling portion has an installation means for coupling the collecting member to the installation object in a detachable and liquid-tight manner. ### Claim 5 (depends on 4) The hollow fiber membrane module according to claim 4, wherein the installation means is a seal member. ### Claim 6 (depends on 4) The hollow fiber membrane module according to claim 4, wherein the installation means is a thread. ### Claim 7 (depends on 1) The hollow fiber membrane module according to claim 1, wherein a second end of the hollow fiber membrane bundle is a free end. ### Claim 8 (depends on 1) The hollow fiber membrane module according to claim 1, wherein the hollow fiber membrane bundle is bent in a U-shape, and locations of bent portions of the hollow fiber membranes of the hollow fiber membrane bundle are aligned to substantially match each other. ### Claim 9 (depends on 1) A degassing and gas supplying device for removing gas from an objective liquid and supplying gas to the objective liquid, comprising: the hollow fiber membrane module according to claim 1; and an objective liquid piping or an objective liquid casing installed with one or more hollow fiber membrane modules, wherein the collecting member of the coupling portion is coupled to the objective liquid piping or the objective liquid casing directly or by using another member in a detachable and liquid-tight manner while an exposed portion of the hollow fiber membrane bundle of the hollow fiber membrane module is inserted into the objective liquid piping or the objective liquid casing. ### Claim 10 (depends on 9) The degassing and gas supplying device according to claim 9, wherein the collecting member is coupled to the objective liquid piping or the objective liquid casing in a detachable and liquid-tight manner by fitting the coupling portion to an opening of the objective liquid piping or the objective liquid casing. ### Claim 11 (depends on 9) The degassing and gas supplying device according to claim 9, wherein the objective liquid piping is a branch pipe having an insertion opening of the hollow fiber membrane module, an objective liquid inlet, and a treatment liquid outlet. ### Claim 12 (depends on 11) The degassing and gas supplying device according to claim 11, wherein the branch pipe has a pipe fitting having at least three openings and an extension pipe coupled to one opening of the pipe fitting, at least one of a plurality openings of the pipe fitting opening other than that where the extension pipe is coupled is an insertion opening of the hollow fiber membrane module, and a part of the exposed portion of the hollow fiber membrane bundle of the hollow fiber membrane module is placed in the inside of the extension pipe. ### Claim 13 (depends on 9) The degassing and gas supplying device according to claim 9, wherein the objective liquid casing is a container having an insertion opening of the hollow fiber membrane module and a liquid access port serving as an objective liquid inlet and a treatment liquid outlet. ### Claim 14 (depends on 9) The degassing and gas supplying device according to claim 9, wherein a coupling portion in the exposed portion side of the hollow fiber membrane bundle out of coupling portions of the collecting member is coupled to the objective liquid piping or the objective liquid casing, and a coupling portion opposite to the exposed portion side of the hollow fiber membrane bundle is coupled to a gas pipe that discharges gas from the hollow fiber membrane module or supplies gas to the hollow fiber membrane module. ### Claim 15 (depends on 9) The degassing and gas supplying device according to claim 9, wherein the collecting member has a housing that houses first ends of the hollow fiber membrane bundle and a fixing portion that fixes the first ends of the hollow fiber membrane bundle to the housing in a liquid-tight manner while maintaining an opening of an opened end portion of the hollow fiber membrane, a part of the housing corresponding to the coupling portion has a first installation means for coupling the collecting member to the objective liquid piping or the objective liquid casing in a detachable and liquid-tight manner, the objective liquid piping or the objective liquid casing is provided with a second installation means corresponding to the first installation means, and the hollow fiber membrane module is installed in the objective liquid piping or the objective liquid casing in a detachable and liquid-tight manner using the first installation means and the second installation means. ### Claim 16 (depends on 15) The degassing and gas supplying device according to claim 15, wherein the first installation means is a seal member, and the second installation means is a trench mated with the seal member. ### Claim 17 (depends on 15) The degassing and gas supplying device according to claim 15, wherein the first installation means and the second installation means are threads. ### Claim 18 (depends on 15) The degassing and gas supplying device according to claim 15, wherein the first installation means and the second installation means are bayonet types. ### Claim 19 (depends on 9) An inkjet printer, comprising: one or more ink cartridges; a print head configured to discharge ink; a liquid feeding pipe configured to feed the ink from the ink cartridge to the print head; the degassing and gas supplying device according to claim 9 provided in the middle of the liquid feeding pipe; and a decompressing means coupled to the degassing and gas supplying device using a gas pipe. ### Claim 20 (depends on 9) A device for manufacturing a carbonated spring, comprising: the degassing and gas supplying device according to claim 9; a raw water supply pipe configured to supply raw water to the degassing and gas supplying device; a carbonated spring discharge pipe configured to discharge a carbonated spring from the degassing and gas supplying device; and a carbonic acid gas supply means coupled to the degassing and gas supplying device using a gas pipe.