TWI724500B - Nose brace structure - Google Patents
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- TWI724500B TWI724500B TW108129354A TW108129354A TWI724500B TW I724500 B TWI724500 B TW I724500B TW 108129354 A TW108129354 A TW 108129354A TW 108129354 A TW108129354 A TW 108129354A TW I724500 B TWI724500 B TW I724500B
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本發明係有關一種可重複使用於口罩,有助於密合口罩與臉部之間的空隙,可賦予口罩更佳防霧性能的鼻墊結構。 The present invention relates to a nose pad structure that can be used repeatedly in a mask, helps to close the gap between the mask and the face, and can give the mask better anti-fogging performance.
口罩覆戴在口鼻部位,用於阻擋外界有害的物質進入佩戴者的口鼻,或是防止佩戴者將病菌傳染給他人。在污染日趨嚴重的今日口罩也在日常生活中也經常被用來阻擋空氣中的懸浮微粒和沙塵。因此,口罩的需求及消耗量愈來愈大。口罩依著不同的用途,有不同的設計。在用料方面,大多以布料、不織布、紙、塑膠等纖維材料製成薄片形式,以便對於飛沫微塵構成立體阻障,有時更添加活性碳等材料來吸附有機氣體及毒性粉塵。 The mask is worn over the nose and mouth to prevent harmful substances from entering the wearer's nose and mouth, or to prevent the wearer from spreading germs to others. Faced with increasingly serious pollution today, masks are also often used in daily life to block suspended particles and sand dust in the air. Therefore, the demand and consumption of masks are increasing. Masks have different designs for different purposes. In terms of materials, most of them are made of fiber materials such as cloth, non-woven fabrics, paper, and plastics in the form of sheets to form a three-dimensional barrier to droplets and dust. Sometimes materials such as activated carbon are added to absorb organic gases and toxic dust.
市面上一般之可拋棄式平面口罩,係為一罩體及固定於罩體兩側之帶體所構成,該罩體之前側上緣處設有一壓鼻條,該壓鼻條多為金屬材質或較硬之塑膠材質等可塑型物件所製成,當兩帶體分別套設於兩耳而使口罩覆蓋於臉部鼻、口處,並緊貼於臉部,使用者可利用手指擠壓該壓鼻條,調整出近似使用者鼻子形狀之弧度,幫助密合口罩與臉部之間的空隙,以增加口罩之服貼性,藉以提昇佩戴之安全性。 The general disposable flat mask on the market consists of a mask body and straps fixed on both sides of the mask body. The upper edge of the front side of the mask body is provided with a nose pressure strip, which is mostly made of metal. Or made of plastic objects such as harder plastic materials. When the two straps are respectively sleeved on the two ears, the mask covers the nose and mouth of the face, and is tightly attached to the face. The user can squeeze it with fingers The nose pressure strip adjusts the curvature to approximate the shape of the user's nose, helps to close the gap between the mask and the face, so as to increase the conformability of the mask and improve the safety of wearing.
惟,上述口罩之壓鼻條雖可防止髒空氣從口罩上緣處滲入,但實際上密合效果有限,常常無法保持鼻側、臉頰與口罩間的緊密接觸。當口罩內與口罩外的溫度差異太大時,人體呼出之熱空氣還是會經由該空隙向上排出,若此時口罩使用者有戴眼鏡,鏡片上便容易產生霧氣影響其視線,或是造成呼吸上的不舒適。 However, although the nose-pressing strips of the above-mentioned masks can prevent the dirty air from infiltrating from the upper edge of the mask, in fact, the sealing effect is limited and it is often impossible to maintain close contact between the nose, cheeks and the mask. When the temperature difference between the inside of the mask and the outside of the mask is too large, the hot air exhaled by the human body will still be discharged upwards through the gap. If the mask user wears glasses at this time, the lens will easily generate fog on the lens that affects his vision or causes breathing It’s not comfortable.
故市面上出現另一種口罩用之鼻樑襯墊,如中華民國專利公告號第M450391號、第M511344號及第M286053號等,均揭露一種可利用黏貼劑或黏貼樹脂黏貼於口罩內側之鼻樑襯墊,該鼻樑襯墊可為拋棄式或重複使用,而該鼻樑襯墊係為塑膠材質且一體成型略呈波浪狀,在結構設計上鼻樑襯墊的一側具有一平整的接合面,另一側(如內側)則形成有兩個相隔一段距離的鼻托,其中兩個鼻托各呈向外凸出的弧狀,該鼻樑襯墊可進一步設置有一可重覆彎折容易定型的金屬條;當使用者欲佩戴口罩時,係先將鼻樑襯墊以粘固於口罩內側再予以佩戴,藉由該鼻樑襯墊調整口罩弧度及形狀避免口罩貼住口鼻,並填補鼻子與觀骨間之空隙,而減少空隙之空間進而增加鼻部之氣密度,大幅度降低呼氣從空隙向上竄升的現象。 Therefore, there are other types of nose pads for masks on the market, such as Republic of China Patent Publication Nos. M450391, M511344, and M286053. They all disclose a nose pad that can be stuck on the inside of the mask with adhesive or adhesive resin. The nasal bridge cushion can be disposable or reused. The nasal bridge cushion is made of plastic material and is integrally formed to be slightly wavy. In the structural design, one side of the nose bridge cushion has a flat joint surface, and the other side (E.g. the inner side) is formed with two nose pads separated by a certain distance, of which two nose pads are each in the shape of an arc that protrudes outwards. The nose bridge pad can be further provided with a metal strip that can be repeatedly bent and easily shaped; When the user wants to wear a mask, he should first stick the nasal bridge cushion to the inside of the mask and then wear it. Use the nasal bridge cushion to adjust the curvature and shape of the mask to prevent the mask from sticking to the nose and mouth, and to fill the gap between the nose and the bones. , And reduce the space of the gap to increase the air density of the nose, greatly reducing the phenomenon of exhalation rising from the gap.
然而,如上述習用結構,觀其構造卻隱含有許多製造和使用上的缺失:1、上述鼻樑襯墊若重複使用時,該金屬條多次使用後容易鬆弛,時間一久便失去作用,影響密合效果,無法保持鼻側、臉頰與口罩間的緊密接觸。2、每個人的鼻子形狀因人而異,尤其是高大鼻子者,因習用鼻樑襯墊之鼻托無法完全依照鼻子形狀進行調整,使鼻子高大者在使用時,無法克服漏氣現象。 However, like the above-mentioned conventional structure, the structure contains many defects in manufacturing and use: 1. If the above-mentioned nose pad is used repeatedly, the metal strip is easy to loosen after repeated use, and it will lose its function after a long time. The close effect cannot maintain the close contact between the nose, cheeks and the mask. 2. The shape of each person's nose varies from person to person, especially those with tall noses. Because of the traditional nose pads, the nose pads cannot be adjusted completely according to the shape of the nose, so that people with tall noses cannot overcome air leakage when using them.
有鑑於此,本發明提供一種可重複使用於口罩,有助於密合口罩與臉部之間的空隙,可賦予口罩更佳防霧性能的鼻墊結構,為其主要目的者。 In view of this, the present invention provides a nose pad structure that can be reused in a mask, helps close the gap between the mask and the face, and can give the mask a better anti-fogging performance, which is its main purpose.
為達上揭目的,本發明之鼻墊結構至少包含:可撓性本體,係具有一壓條,該壓條二末端係分別以一連接部連接第一、第二鼻托部,該第一、第二鼻托部並分別由該連接部朝該壓條內側延伸,且該第一、第二鼻托部之自由端間係具有一間距;第一、第二帶體,係為彈性材質,該第一、第二帶體之一端分別固定於該第一、第二鼻托部靠近該自由端處,該第一、第二帶體之另一端則穿過該連接部;以及固定器,係穿設於該第 一、第二帶體之另一端,可對該第一、第二帶體進行鬆緊調整。 To achieve the purpose of disclosure, the nose pad structure of the present invention at least includes: a flexible body with a bead, and two ends of the bead are connected to the first and second nose pads by a connecting portion, the first and second nose pads The two nose pads respectively extend from the connecting portion toward the inside of the bead, and there is a gap between the free ends of the first and second nose pads; the first and second straps are made of elastic material, and the first and second straps are made of elastic material. 1. One end of the second strap is respectively fixed to the first and second nose pads near the free end, and the other end of the first and second straps pass through the connecting portion; and a fixer, which is threaded through Located in the 1. The other end of the second belt body can be used to adjust the elasticity of the first and second belt bodies.
在一較佳態樣中,該第一、第二鼻托部係呈向外凸出的弧狀條形體。 In a preferred aspect, the first and second nose pads are arc-shaped strips protruding outward.
在另一較佳態樣中,該第一、第二帶體進行鬆緊調整,可相對改變該弧狀條形體的曲率以及該間距大小。 In another preferred aspect, the elasticity of the first and second straps can be adjusted to relatively change the curvature of the arc-shaped strip and the size of the spacing.
在一較佳態樣中,該第一、第二帶體係由該固定器調整為一放鬆狀態及一拉緊狀態,該第一、第二帶體處於該拉緊狀態時,該弧狀條形體的曲率相對大於處於該放鬆狀態之該弧狀條形體的曲率,且該拉緊狀態之該間距相對大於處於該放鬆狀態之該間距。 In a preferred aspect, the first and second belt systems are adjusted by the holder to a relaxed state and a tensioned state. When the first and second belt bodies are in the tensioned state, the arc strip The curvature of the shape body is relatively larger than the curvature of the arc-shaped strip body in the relaxed state, and the distance in the tensioned state is relatively larger than the distance in the relaxed state.
在一較佳態樣中,該壓條以及該第一、第二鼻托部係以內外側相鄰配置,且該壓條之中央位置係相對於該間距,且該壓條之中央位置呈向外凸出的弧狀。 In a preferred aspect, the bead and the first and second nose pads are arranged adjacently inside and outside, and the central position of the bead is relative to the spacing, and the central position of the bead is convex outward The arc.
在一較佳態樣中,該可撓性本體係為尼龍材質。 In a preferred aspect, the flexible system is made of nylon.
在一較佳態樣中,該第一、第二帶體之另一端穿過該固定器後相互連接而形成一固定部。 In a preferred aspect, the other ends of the first and second straps pass through the holder and are connected to each other to form a fixing portion.
在一較佳態樣中,該固定器具有一中空殼體、一壓塊以及一彈性件。 In a preferred aspect, the holder has a hollow shell, a pressing block and an elastic member.
在一較佳態樣中,該第一、第二鼻托部靠近該自由端處具有二穿孔,可供該第一、第二帶體之一端穿設且固定,而該連接部另設有一穿孔,可供該第一、第二帶體之另一端穿設。 In a preferred aspect, the first and second nose pads have two perforations near the free end, which can be used to pass through and fix one end of the first and second straps, and the connecting portion is additionally provided with a Perforations can be used to pass through the other ends of the first and second straps.
1:可撓性本體 1: Flexible body
11:壓條 11: Layering
12:連接部 12: Connection part
13:第一鼻托部 13: The first nose pad
14:第二鼻托部 14: The second nose pad
131、141:自由端 131, 141: free end
15:間距 15: spacing
16:穿孔 16: Piercing
21:第一帶體 21: The first belt
22:第二帶體 22: The second belt
23:固定部 23: Fixed part
3:固定器 3: Fixer
31:中空殼體 31: Hollow shell
311:工作空間 311: Work Space
312:第一孔洞 312: first hole
313:第二孔洞 313: second hole
314:開口 314: open
32:壓塊 32: briquetting
321:槽 321: Groove
33:彈性件 33: Elastic part
4:口罩 4: Mask
51:鼻樑 51: bridge of nose
52:臉部 52: face
第1圖係為本發明中鼻墊結構之結構立體圖。 Figure 1 is a perspective view of the structure of the nose pad of the present invention.
第2圖係為本發明中第一、第二帶體處於放鬆狀態之結構示意圖。 Figure 2 is a schematic diagram of the structure of the first and second straps in a relaxed state in the present invention.
第3圖係為本發明中第一、第二帶體處於拉緊狀態之結構示意圖。 Figure 3 is a schematic diagram of the structure of the first and second straps in a tensioned state of the present invention.
第4圖係為本發明中鼻墊結構之使用結構示意圖。 Figure 4 is a schematic diagram of the structure of the nose pad in the present invention.
第5圖係為本發明中固定器第一實施例之結構示意圖。 Fig. 5 is a schematic diagram of the structure of the first embodiment of the holder of the present invention.
第6圖係為本發明中固定器第一實施例進行鬆緊調整之結構示意圖。 Figure 6 is a schematic diagram of the structure of the first embodiment of the fixer in the present invention for tightening adjustment.
第7圖係為本發明中固定器第二實施例之結構示意圖。 Figure 7 is a schematic structural diagram of the second embodiment of the fixer in the present invention.
除非另外說明,否則本申請說明書和申請專利範圍中所使用的下列用語具有下文給予的定義。請注意,本申請說明書和申請專利範圍中所使用的單數形用語「一」意欲涵蓋在一個以及一個以上的所載事項,例如至少一個、至少二個或至少三個,而非意味著僅僅具有單一個所載事項。此外,申請專利範圍中使用的「包含」、「具有」等開放式連接詞是表示請求項中所記載的元件或成分的組合中,不排除請求項未載明的其他組件或成分。亦應注意到用語「或」在意義上一般也包括「及/或」,除非內容另有清楚表明。本申請說明書和申請專利範圍中所使用的用語「約(about)」或「實質上(substantially)」,是用以修飾任何可些微變化的誤差,但這種些微變化並不會改變其本質。 Unless otherwise stated, the following terms used in the specification of this application and the scope of the patent application have the definitions given below. Please note that the singular term "一" used in the specification of this application and the scope of the patent application is intended to cover one and more than one of the items contained, such as at least one, at least two, or at least three, rather than just having Single item contained. In addition, the open-ended conjunctions such as "include" and "have" used in the scope of the patent application mean that the combination of elements or components described in the claim does not exclude other components or components that are not specified in the claim. It should also be noted that the term "or" generally also includes "and/or" in its meaning, unless the content clearly indicates otherwise. The term "about" or "substantially" used in the specification of this application and the scope of the patent application is used to modify any slightly variable errors, but such slight changes will not change its essence.
本案主要提供一種可重複使用於口罩的鼻墊結構。請參閱第1圖所示為本發明中鼻墊結構之結構立體圖所示。本發明之鼻墊結構至少包含:可撓性本體1、第一帶體21、第二帶體22以及一固定器3;其中:該可撓性本體1係具有一壓條11,該壓條11二末端係分別以一連接部12連接第一、第二鼻托部13、14,該第一、第二鼻托部13、14並分別由該連接部12朝該壓條11內側延伸,且該第一、第二鼻托部13、14之自由端131、141間係具有一間距15;請同時參閱第2圖所示之實施例中,該壓條11以及該第一、第二鼻托部13、14係以內外側相鄰配置,且該壓條11之中央位置係相對於該間距,且該壓條11之中央位置呈向外凸出的弧狀,而該第一、第二鼻托部13、14係呈向外凸出的弧狀條形體,
該間距15則對應使用者的鼻樑並供其定位。而本實施例中,該可撓性本體係為尼龍材質,或者其他可塑形成特定形狀且具有可撓性之材質。
This case mainly provides a nose pad structure that can be reused in masks. Please refer to Figure 1 which is a perspective view of the structure of the nose pad structure of the present invention. The nose pad structure of the present invention at least includes: a
第一、第二帶體21、22係為彈性材質,該第一、第二帶體21、22之一端分別固定於該第一、第二鼻托部13、14靠近該自由端131、141處,該第一、第二帶體21、22之另一端則越過該壓條11以及該第一、第二鼻托部13、14之間且穿過該連接部12;其中,該第一、第二鼻托部13、14靠近該自由端131、141處具有二穿孔16,可供該第一、第二帶體21、22之一端穿設且固定,而該連接部12另設有一穿孔16,可供該第一、第二帶體21、22之另一端穿設。
The first and
固定器3係穿設於該第一、第二帶體21、22之另一端,可對該第一、第二帶體21、22進行鬆緊調整,該第一、第二帶體21、22之另一端可穿過該固定器3後相互連接而形成一固定部23,如圖所示之實施例中,該固定部23可以為該第一、第二帶體21、22相互纏繞之固定結。
The
本發明之鼻墊結構於使用時,使用者先配戴一般口罩4再配戴本發明之鼻墊結構,利用該第一、第二帶體21、22將該鼻墊結構套上,以壓條11壓掣於口罩4且相對於使用者的鼻樑51處,請同時參閱第2圖及第4圖所示,且讓該第一、第二鼻托部13、14貼合於口罩4且相對於使用者臉部的輪廓,其中該間距15的溝形與使用者鼻樑51的輪廓相匹配,有助於密合口罩4與臉部52之間的空隙,可賦予口罩4更佳的防霧性能。
When using the nose pad structure of the present invention, the user first wears a
而本發明之鼻墊結構更可配合不同使用者的臉部及鼻部形狀,來調整第一、第二鼻托部的形狀以填補鼻子與觀骨之空隙,以減少空隙之空間,本發明係利用第一、第二帶體進行鬆緊調整,可相對改變該弧狀條形體的曲率以及該間距大小;其中,該第一、第二帶體21、22可由該固定器3調整為一放鬆狀態及一拉緊狀態,如第2圖所示係為放鬆狀態,如第3圖所示係為拉緊狀態,亦即,該固定器3朝靠近該可撓性本體1之 方向移動,使該第一、第二帶體21、22與該固定器3所圍成的周長較短;當該第一、第二帶體21、22處於該拉緊狀態(如第3圖所示)時,該第一、第二帶體21、22之一端係施力於該第一、第二鼻托部之該自由端131、141,讓該第一、第二鼻托部13、14以該連接部12為支點形成較大之彎弧,使該弧狀條形體的曲率R1相對大於處於該放鬆狀態(如第2圖所示)之該弧狀條形體的曲率R2,且該拉緊狀態(如第3圖所示)之該間距大小L1相對大於處於該放鬆狀態(如第2圖所示)之該間距大小L1,故第一、第二帶體21、22處於該拉緊狀態可調整該第一、第二鼻托部13、14的形狀,以適用於鼻部較為高大的使用者,所以不同使用者可利用固定器3來調整第一、第二帶體21、22的鬆緊狀態,以改變第一、第二鼻托部13、14的形狀。 The nose pad structure of the present invention can be adapted to the shapes of the face and nose of different users to adjust the shape of the first and second nose pads to fill the gap between the nose and the viewing bone, so as to reduce the space of the gap. The first and second straps are used to adjust the elasticity, which can relatively change the curvature of the arc-shaped strip body and the size of the spacing; wherein, the first and second straps 21, 22 can be adjusted to a loosening by the fixer 3 State and a tensioned state, as shown in Fig. 2 is a relaxed state, as shown in Fig. 3 is a tensioned state, that is, the holder 3 is facing close to the flexible body 1 Move in the direction to make the circumference enclosed by the first and second straps 21, 22 and the holder 3 shorter; when the first and second straps 21, 22 are in the tensioned state (such as the third As shown in the figure), one end of the first and second straps 21, 22 is applied to the free ends 131, 141 of the first and second nose pads, so that the first and second nose pads 13, 14 uses the connecting portion 12 as a fulcrum to form a larger curved arc, so that the curvature R1 of the arc-shaped strip is relatively larger than the curvature R2 of the arc-shaped strip in the relaxed state (as shown in Figure 2), And the gap size L1 in the tensioned state (as shown in Figure 3) is relatively larger than the gap size L1 in the relaxed state (as shown in Figure 2), so the first and second straps 21, 22 are in The tightened state can adjust the shape of the first and second nose pads 13, 14 to suit users with relatively tall noses, so different users can use the holder 3 to adjust the first and second straps The tightness of 21 and 22 can change the shape of the first and second nose pads 13, 14.
本發明之鼻墊結構可搭配市面上大多數的口罩一起做使用,主要的作用之一在於阻隔使用者口鼻所呼出的熱氣,以防止熱氣往上竄升而造成眼鏡嚴重起霧,主要的作用另一在於阻止外界受染空氣透入而對使用者的健康產生影響。再者,所述防霧氣鼻墊結構的主體為可撓性材質,因此其可順應使用者鼻部四周輪廓起伏而產生形變,以提高口罩配戴時的舒適性、服貼性及氣密性。此外,所述氣鼻墊結構可以被重複使用多次,符合環境保護需求。最重要的是,可利用固定器來調整第一、第二帶體的鬆緊狀態,配合不同使用者的臉部及鼻部形狀,來調整第一、第二鼻托部的形狀以填補鼻子與觀骨之空隙,以減少空隙之空間。 The nose pad structure of the present invention can be used with most masks on the market. One of the main functions is to block the heat exhaled by the user’s mouth and nose to prevent the heat from rising up and causing serious fogging of the glasses. The other function is to prevent the penetration of contaminated air from the outside and affect the health of the user. Furthermore, the main body of the anti-fog aerosol nose pad structure is made of flexible material, so it can conform to the undulations around the nose of the user and produce deformation, so as to improve the comfort, conformability and air-tightness of the mask when wearing . In addition, the air nose cushion structure can be reused many times, which meets the requirements of environmental protection. The most important thing is that the fixer can be used to adjust the tightness of the first and second straps to match the shape of the face and nose of different users to adjust the shape of the first and second nose pads to fill the nose and Observe the gap between bones to reduce the gap space.
再者,本發明之固定器3具有一中空殼體31、一壓塊32以及一彈性件33,如第5圖及第6圖之第一實施例所示,該中空殼體31界定出一工作空間311,並具有一第一孔洞312、一第二孔洞313以及一開口314;其中,第一、二孔洞312、313與開口314均與該工作空間311相通,該壓塊32為可移動於該工作空間311內部的一中空扁形體,且具有
一貫穿的通槽321,該壓塊32的移動路徑垂直於第一、二孔洞312、313間之連線,而該彈性件33其一端連結該殼體31之內壁面,另一端連結於該壓塊32;此固定器如上所述可為一般市面上常見的結構,可利用該中空殼體31以及該壓塊32固定第一、第二帶體21、22,再利用壓塊32改變通槽321的位置,使第一、第二帶體21、22穿置較為順利而不受壓塊32所擋止,則可調整該第一、第二帶體21、22之鬆緊狀態;當然,該第一、二孔洞312、313以及通槽321的數量分別可以為二對(如第5圖及第6圖之第一實施例所示),該第一、二孔洞312、313以及通槽321的數量分別亦可以為一對,如第7圖之第二實施例所示。
Furthermore, the
綜上所述,本發明提供一種鼻墊結構,爰依法提呈發明專利之申請;本發明之技術內容及技術特點巳揭示如上,然而熟悉本項技術之人士仍可能基於本發明之揭示而作各種不背離本案發明精神之替換及修飾。因此,本發明之保護範圍應不限於實施例所揭示者,而應包括各種不背離本發明之替換及修飾,並為以下之申請專利範圍所涵蓋。 In summary, the present invention provides a nose pad structure, and an application for a patent for invention is filed in accordance with the law; the technical content and technical features of the present invention are disclosed as above, but those familiar with the technology may still make work based on the disclosure of the present invention. Various substitutions and modifications that do not depart from the spirit of the invention in this case. Therefore, the scope of protection of the present invention should not be limited to those disclosed in the embodiments, but should include various substitutions and modifications that do not deviate from the present invention, and are covered by the following patent applications.
可撓性本體1
壓條11
連接部12
第一鼻托部13
第二鼻托部14
自由端131、141
間距15
穿孔16
第一帶體21
第二帶體22
固定部23
固定器3
Claims (9)
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TW108129354A TWI724500B (en) | 2019-08-16 | 2019-08-16 | Nose brace structure |
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TW108129354A TWI724500B (en) | 2019-08-16 | 2019-08-16 | Nose brace structure |
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TW202108028A TW202108028A (en) | 2021-03-01 |
TWI724500B true TWI724500B (en) | 2021-04-11 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201468072U (en) * | 2009-07-14 | 2010-05-19 | 金富裕兴业股份有限公司 | Improved mask with adjustable elastic band and nose clip |
CN204519416U (en) * | 2015-03-16 | 2015-08-05 | 赵新德 | Mouth mask external application V-type nose clip |
CN106418807A (en) * | 2016-11-09 | 2017-02-22 | 湖州优创科技有限公司 | Mouth-exposable mask with nose wing thimble |
-
2019
- 2019-08-16 TW TW108129354A patent/TWI724500B/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201468072U (en) * | 2009-07-14 | 2010-05-19 | 金富裕兴业股份有限公司 | Improved mask with adjustable elastic band and nose clip |
CN204519416U (en) * | 2015-03-16 | 2015-08-05 | 赵新德 | Mouth mask external application V-type nose clip |
CN106418807A (en) * | 2016-11-09 | 2017-02-22 | 湖州优创科技有限公司 | Mouth-exposable mask with nose wing thimble |
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