CN111514482A - Multifunctional protective mask convenient for eating - Google Patents
Multifunctional protective mask convenient for eating Download PDFInfo
- Publication number
- CN111514482A CN111514482A CN202010358833.0A CN202010358833A CN111514482A CN 111514482 A CN111514482 A CN 111514482A CN 202010358833 A CN202010358833 A CN 202010358833A CN 111514482 A CN111514482 A CN 111514482A
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- China
- Prior art keywords
- panel
- fixedly connected
- shell
- rotating shaft
- protective mask
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/20—Removal of unwanted matter, e.g. deodorisation or detoxification
- A23L5/21—Removal of unwanted matter, e.g. deodorisation or detoxification by heating without chemical treatment, e.g. steam treatment, cooking
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/30—Physical treatment, e.g. electrical or magnetic means, wave energy or irradiation
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
- A62B18/086—Adaptations for consuming refreshments without unmasking
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
- A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Nutrition Science (AREA)
- Polymers & Plastics (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Zoology (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a multifunctional protective mask convenient for eating, which comprises a filtering module, a transmission module, an upper panel and a lower panel, wherein the filtering module comprises a supporting shell, a wearing rope connecting block, a movable bracket, a magnetic suction panel, filter cotton, a filtering surrounding frame, an air guide pipe and a leather hose. According to the invention, the filtering module is arranged, and air can be sucked from the left side and the right side in a side air inlet mode when a user breathes, so that the phenomenon that the front surface of the mask is polluted in a large area due to the opening of the front surface is solved.
Description
Technical Field
The invention relates to the technical field of medical protection, in particular to a multifunctional protective mask convenient for eating.
Background
The mask is a sanitary article, is generally worn on the mouth and nose for filtering air entering the mouth and nose so as to achieve the effect of blocking harmful gas, smell, spray, virus and other substances, and is made of gauze or paper and the like. The mask has a certain filtering function on air entering the lung, has a good effect when being worn in respiratory infectious diseases and working in dust and other polluted environments, but the common mask can not eat food when being used, and the mask needs to be taken off when people need to eat food.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the multifunctional protective mask convenient for eating, and solves the problem that the common mask can not eat food when in use.
In order to achieve the purpose, the invention provides the following technical scheme: a multifunctional protective mask convenient for eating comprises a filtering module, a transmission module, an upper panel and a lower panel, wherein the filtering module comprises a supporting shell, wearing ropes, a wearing rope connecting block, a movable support, a magnetic suction panel, filter cotton, filtering surrounding frames, an air duct and a leather hose, the left side and the right side of the supporting shell are movably connected with the wearing rope connecting block through the movable support, the wearing rope connecting blocks are fixedly connected through the wearing ropes, the filter cotton is fixedly connected with the left side and the right side of the inner wall of the supporting shell, the filtering surrounding frames are arranged on the side surfaces of the two filter cotton, the filtering surrounding frames are fixedly connected with the inner wall of the supporting shell, the air duct is fixedly connected between the opposite surfaces of the two filtering surrounding frames, the outer surface of the air duct is fixedly connected with the two leather hoses, and the upper surface and the lower surface of the supporting shell are respectively, rectangular through-hole has been seted up at the middle part of panel lower surface down, and the below of through-hole is provided with magnetism and inhales the panel to magnetism inhales the lower surface overlap joint of panel and lower panel.
The middle part of the front side of the supporting shell is provided with a conveying module, the conveying module comprises a front end shell, a movable panel, a radiating panel, a ceramic rod support, a heating coil, a ceramic rod, an ultraviolet lamp tube support, a refrigeration diode, a near-end rotating shaft, a conveying belt, a main support plate, a rotating shaft support, radiating fins, a radiating fan protection frame, a heat conducting plate, a radiating copper pipe, a radiating fan support and a far-end rotating shaft, the front end shell is fixedly connected with the front side of the supporting shell, the front end of the front end shell is movably connected with the movable panel, the lower surface of the movable panel is provided with the radiating panel, the radiating panel is fixedly connected with the front end shell, the back side of the movable panel is provided with the heating coil, the heating coil is fixedly connected with the inner wall of the front, the ultraviolet lamp tube is fixedly connected with the front end shell through an ultraviolet lamp tube bracket, a main supporting plate is arranged below the ultraviolet lamp tube and fixedly connected with the supporting shell, the front end and the rear end of the upper surface of the main supporting plate are respectively and rotatably connected with a far-end rotating shaft and a near-end rotating shaft through rotating shaft brackets, the far-end rotating shaft and the near-end rotating shaft are rotatably connected through a conveying belt, a refrigeration diode is arranged in the middle of the upper surface and the lower surface of the conveying belt, a heat-conducting plate is fixedly connected to the lower surface of the refrigeration diode, the lower surface of the main supporting plate is fixedly connected with a radiating fin, the radiating fin is fixedly connected with the heat conducting plate through a radiating copper pipe, the lower surface of the radiating fin is fixedly connected with a radiating fan protecting frame, and the cooling fan protection frame is fixedly connected with the front surface of the supporting shell, and the inner ring of the cooling fan protection frame is rotatably connected with a cooling fan through a cooling fan support.
Preferably, the left side surface and the right side surface of the supporting shell are both provided with air holes, and the side surfaces of the air holes are lapped with filter cotton.
Preferably, the two filtering enclosure frames and the support shell enclose two spaces, the interiors of the two spaces are communicated through the air guide tube, and the interiors of the air guide tube are communicated with the nasal cavity of a person through the leather hose.
Preferably, the number of the ceramic rods and ceramic rod holders is six, and six ceramic rods and ceramic rod holders are circularly arrayed on the inner wall of the front end housing.
Preferably, the upper surface of the refrigeration diode is in sliding connection with the conveyor belt, and heat-conducting silicone grease is smeared between the opposite surfaces of the refrigeration diode and the heat-conducting plate.
Preferably, the lower surface of the front end shell is provided with an air inlet, and the through hole is rectangular.
Preferably, the front surface of the heat dissipation panel is provided with heat dissipation holes, and the through holes are rectangular.
Preferably, the front surface of the supporting shell is provided with a through hole, and the position of the through hole corresponds to the position of the conveyor belt.
Compared with the prior art, the invention provides the multifunctional protective mask convenient for eating, which has the following beneficial effects: according to the invention, the filtering module is arranged, and air can be sucked from the left side and the right side in a side air inlet mode when a user breathes, so that the phenomenon that the front surface of the mask is polluted in a large area due to the opening of the front surface is solved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic view of the present invention.
FIG. 3 is a schematic view of the present invention.
FIG. 4 is a schematic diagram of a transfer module according to the present invention.
FIG. 5 is a schematic diagram of a transfer module according to one embodiment of the present invention.
FIG. 6 is a schematic diagram of a transfer module according to one embodiment of the present invention.
In the figure: 1-a filtration module; 101-a support housing; 102-wearing a rope; 103-wearing rope connecting block; 104-a movable support; 105-a magnetically attractive panel; 106-filter cotton; 107-a filter enclosure; 108-an airway; 109-leather hose; 2-a transfer module; 201-front end housing; 202-a movable panel; 203-heat dissipation panel; 204-ceramic rod holder; 205-heating coil; 206-ceramic rod; 207-ultraviolet lamp tube; 208-ultraviolet lamp tube bracket; 209-a refrigeration diode; 210-a proximal rotational axis; 211-a conveyor belt; 212-a main support plate; 213-rotating shaft support; 214-a heat sink; 215-cooling fan protection frame; 216-a thermally conductive plate; 217-heat dissipation copper pipes; 218-a radiator fan; 219-radiator fan support; 220-distal rotating shaft; 3-upper panel; 4-lower panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, 2, 3, 4, 5, 6, the multifunctional protective mask for eating food comprises a filtering module 1, a transmission module 2, an upper panel 3 and a lower panel 4, as shown in fig. 1 and 2, the filtering module 1 of the present invention is a schematic structural diagram of the filtering module, wherein the filtering module 1 comprises a supporting housing 101, a wearing rope 102, a wearing rope connecting block 103, a movable bracket 104, a magnetic panel 105, filter cotton 106, a filtering enclosure frame 107, an air duct 108 and a leather hose 109, the left and right sides of the supporting housing 101 are movably connected with the wearing rope connecting block 103 through the movable bracket 104, the two wearing rope connecting blocks 103 are fixedly connected through the wearing rope 102, the filter cotton 106 is fixedly connected to the left and right sides of the inner wall of the supporting housing 101, the side surfaces of the two filter cotton 106 are respectively provided with the filtering enclosure frame 107, the filtering enclosure frame 107 is fixedly connected with the inner wall of the supporting housing 101, the air duct 108 is fixedly connected between the opposite surfaces, the outer fixed surface of air duct 108 is connected with two leather hoses 109, and the upper surface and the lower surface of support housing 101 are fixedly connected with top panel 3 and lower panel 4 respectively, and the rectangle through-hole has been seted up at the middle part of lower panel 4 lower surface, and the below of through-hole is provided with magnetism and inhales panel 105 to magnetism inhales panel 105 and lower panel 4's lower surface overlap joint.
The middle part of the front face of the supporting shell 101 is provided with a transmission module 2, the transmission module 2 comprises a front end shell 201, a movable panel 202, a heat dissipation panel 203, a ceramic rod bracket 204, a heating coil 205, a ceramic rod 206, an ultraviolet lamp tube 207, an ultraviolet lamp tube bracket 208, a refrigeration diode 209, a near-end rotating shaft 210, a transmission belt 211, a main supporting plate 212, a rotating shaft bracket 213, a heat dissipation fin 214, a heat dissipation fan protection frame 215, a heat conduction plate 216, a heat dissipation copper tube 217, a heat dissipation fan 218, a heat dissipation fan bracket 219 and a far-end rotating shaft 220, the front end shell 201 is fixedly connected with the front face of the supporting shell 101, the front end of the front end shell 201 is movably connected with the movable panel 202, the lower surface of the movable panel 202 is provided with the heat dissipation panel 203, the heat dissipation panel 203 is fixedly connected with the front end shell 201, the back face of the movable panel 202 is provided with, an ultraviolet lamp tube 207 is arranged on the side of the heating coil 205, the ultraviolet lamp tube 207 is fixedly connected with the front end casing 201 through an ultraviolet lamp tube support 208, a main support plate 212 is arranged below the ultraviolet lamp tube 207, the main support plate 212 is fixedly connected with the support casing 101, the front end and the rear end of the upper surface of the main support plate 212 are respectively and rotatably connected with a far-end rotating shaft 220 and a near-end rotating shaft 210 through a rotating shaft support 213, the far-end rotating shaft 220 and the near-end rotating shaft 210 are rotatably connected through a conveyor belt 211, a refrigerating diode 209 is arranged in the middle of the upper surface and the lower surface of the conveyor belt 211, a heat conducting plate 216 is fixedly connected with the lower surface of the refrigerating diode 209, a radiating fin 214 is fixedly connected with the lower surface of the main support plate 212, the radiating fin 214 is fixedly connected with the heat conducting plate, the inner ring of the radiator fan guard frame 215 is rotatably connected to a radiator fan 218 through a radiator fan support 219.
When the device is used, if a user needs to eat while wearing the device, only the movable panel 202 needs to be opened, the user sends food into the front end shell 201 by using chopsticks, at this time, the food firstly passes through the heating coil 205, the heating coil 205 can sterilize the food at high temperature, then the food can move to the upper surface of the refrigerating diode 209, the refrigerating diode 209 can cool the high-temperature food, the temperature of the food is reduced in a reasonable range, the phenomenon that people scald the mouth is convenient to eat is generated, meanwhile, the food can be irradiated by the ultraviolet lamp tube 207 for secondary sterilization, the safety of the food is further ensured, at this time, the food can be sent into the mouth of the user through the through holes arranged on the front surface of the supporting shell 101, when the user breathes, air can pass through the through holes on the left side surface and the right side surface of the supporting shell 101 and firstly enters the filtering enclosure 107 through the filtering of the filter cotton 106, the filtering enclosure 107 will deliver filtered air into the person's nasal cavity via the airway tube 108 and the skin tube 109.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A multifunctional protective mask convenient for eating comprises a filtering module (1), a transmission module (2), an upper panel (3) and a lower panel (4), wherein the filtering module (1) comprises a supporting shell (101), a wearing rope (102), a wearing rope connecting block (103), a movable support (104), a magnetic suction panel (105), filter cotton (106), a filtering enclosure frame (107), an air duct (1080) and a leather hose (109), the left side and the right side of the supporting shell (101) are both movably connected with the wearing rope connecting block (103) through the movable support (104), the two wearing rope connecting blocks (103) are fixedly connected through the wearing rope (102), the filter cotton (106) is fixedly connected with the left side and the right side of the inner wall of the supporting shell (101), the filtering enclosure frame (107) is arranged on the side of the two filter cotton (106), and the filtering enclosure frame (107) is fixedly connected with the inner wall of the supporting shell (101), an air duct (108) is fixedly connected between opposite surfaces of the two filtering surrounding frames (107), two leather tubes (109) are fixedly connected to the outer surface of the air duct (108), the upper surface and the lower surface of the supporting shell (101) are respectively and fixedly connected with an upper panel (3) and a lower panel (4), a rectangular through hole is formed in the middle of the lower surface of the lower panel (4), a magnetic attraction panel (105) is arranged below the through hole, and the magnetic attraction panel (105) is in lap joint with the lower surface of the lower panel (4);
the middle part of the front surface of the supporting shell (101) is provided with a conveying module (2), the conveying module (2) comprises a front end shell (201), a movable panel (202), a radiating panel (203), a ceramic rod bracket (204), a heating coil (205), a ceramic rod (206), an ultraviolet lamp tube (207), an ultraviolet lamp tube bracket (208), a refrigerating diode (209), a near-end rotating shaft (210), a conveying belt (211), a main supporting plate (212), a rotating shaft bracket (213), a radiating fin (214), a radiating fan protecting frame (215), a heat conducting plate (216), a radiating copper tube (217), a radiating fan (218), a radiating fan bracket (219) and a far-end rotating shaft (220), the front end shell (201) is fixedly connected with the front surface of the supporting shell (101), the front end of the front end shell (201) is movably connected with the movable panel (202), and the lower surface of the movable panel (202) is provided, the heat dissipation panel (203) is fixedly connected with the front end shell (201), namely, the back surface of the movable panel (202) is provided with a heating coil (205), the heating coil (205) is fixedly connected with the inner wall of the front end shell (201) through a ceramic rod (206) and a ceramic rod support (204), an ultraviolet lamp tube (207) is arranged on the side of the heating coil (205), the ultraviolet lamp tube (207) is fixedly connected with the front end shell (201) through an ultraviolet lamp tube support (208), a main support plate (212) is arranged below the ultraviolet lamp tube (207), the main support plate (212) is fixedly connected with the support shell (101), the front end and the rear end of the upper surface of the main support plate (212) are respectively and rotatably connected with a far end rotating shaft (220) and a near end rotating shaft (210) through a rotating shaft support (213), and the far end rotating shaft (220) and the near end rotating shaft (210) are rotatably connected through a, the middle of conveyer belt (211) upper and lower surface is provided with refrigeration diode (209), and the lower fixed surface of refrigeration diode (209) is connected with heat-conducting plate (216), the lower fixed surface of main tributary fagging (212) is connected with fin (214), and fin (214) and heat-conducting plate (216) are through heat dissipation copper pipe (217) fixed connection, the lower fixed surface of fin (214) is connected with radiator fan guard frame (215) to radiator fan guard frame (215) and the positive fixed connection of support housing (101), the inner circle of radiator fan guard frame (215) is connected with radiator fan (218) through radiator fan support (219) rotation.
2. The multifunctional protective mask convenient for eating according to claim 1, characterized in that: both the left side surface and the right side surface of the supporting shell (101) are provided with air holes, and the side surfaces of the air holes are lapped with filter cotton (106).
3. The multifunctional protective mask convenient for eating according to claim 1, characterized in that: the two filtering surrounding frames (107) and the supporting shell (101) are surrounded into two spaces, the interiors of the two spaces are communicated through the air guide tube (108), and the interiors of the air guide tubes (108) are communicated with the nasal cavity of a person through the leather hose (109).
4. The multifunctional protective mask convenient for eating according to claim 1, characterized in that: the number of the ceramic rods (206) and the ceramic rod supports (204) is six, and the six ceramic rods (206) and the six ceramic rod supports (204) are circularly arrayed on the inner wall of the front end shell (201).
5. The multifunctional protective mask convenient for eating according to claim 1, characterized in that: the upper surface of the refrigerating diode (209) is connected with the conveyor belt (211) in a sliding manner, and heat-conducting silicone grease is smeared between the opposite surfaces of the refrigerating diode (209) and the heat-conducting plate (216).
6. The multifunctional protective mask convenient for eating according to claim 1, characterized in that: an air inlet hole is formed in the lower surface of the front end shell (201), and the through hole is rectangular.
7. The multifunctional protective mask convenient for eating according to claim 1, characterized in that: the front surface of the heat dissipation panel (203) is provided with heat dissipation holes, and the shape of each through hole is rectangular.
8. The multifunctional protective mask convenient for eating according to claim 1, characterized in that: the front surface of the supporting shell (101) is provided with a through hole, and the position of the through hole corresponds to the position of the conveyor belt (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010358833.0A CN111514482B (en) | 2020-04-29 | 2020-04-29 | Multifunctional protective mask convenient for eating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010358833.0A CN111514482B (en) | 2020-04-29 | 2020-04-29 | Multifunctional protective mask convenient for eating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111514482A true CN111514482A (en) | 2020-08-11 |
| CN111514482B CN111514482B (en) | 2021-04-13 |
Family
ID=71905860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010358833.0A Active CN111514482B (en) | 2020-04-29 | 2020-04-29 | Multifunctional protective mask convenient for eating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111514482B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112426639A (en) * | 2020-11-27 | 2021-03-02 | 湖南大学 | Wearable miniature air curtain system for protecting mouth and nose |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2040980A1 (en) * | 1970-08-12 | 1972-02-17 | Auergesellschaft Gmbh | Respirator |
| IL44722A (en) * | 1973-04-28 | 1977-02-28 | Draegerwerk Ag | Device for supplying food to wearers of breathing masks |
| US4841963A (en) * | 1986-09-08 | 1989-06-27 | Engicom Naamloze Vennootschap | Accessory for gas masks and gas masks equipped therewith |
| CN202618367U (en) * | 2012-03-20 | 2012-12-26 | 黄勇 | Dining mask |
-
2020
- 2020-04-29 CN CN202010358833.0A patent/CN111514482B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2040980A1 (en) * | 1970-08-12 | 1972-02-17 | Auergesellschaft Gmbh | Respirator |
| IL44722A (en) * | 1973-04-28 | 1977-02-28 | Draegerwerk Ag | Device for supplying food to wearers of breathing masks |
| US4841963A (en) * | 1986-09-08 | 1989-06-27 | Engicom Naamloze Vennootschap | Accessory for gas masks and gas masks equipped therewith |
| CN202618367U (en) * | 2012-03-20 | 2012-12-26 | 黄勇 | Dining mask |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112426639A (en) * | 2020-11-27 | 2021-03-02 | 湖南大学 | Wearable miniature air curtain system for protecting mouth and nose |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111514482B (en) | 2021-04-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Kunfu Inventor after: Xu Huiming Inventor after: Wang Shufang Inventor before: Wang Shufang |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210325 Address after: 274300 Fanlou Road South, Shanxian Development Zone, Heze City, Shandong Province Applicant after: SHANDONG ZHUSHI PHARMACEUTICAL GROUP Co.,Ltd. Address before: 710129 No.1 Dongxiang Road, Chang'an District, Xi'an City, Shaanxi Province Applicant before: Wang Shufang |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |