CN1128287C - Hard louver with adjustable angle and easily detachable to wash and its special sections - Google Patents

Hard louver with adjustable angle and easily detachable to wash and its special sections Download PDF

Info

Publication number
CN1128287C
CN1128287C CN 00106651 CN00106651A CN1128287C CN 1128287 C CN1128287 C CN 1128287C CN 00106651 CN00106651 CN 00106651 CN 00106651 A CN00106651 A CN 00106651A CN 1128287 C CN1128287 C CN 1128287C
Authority
CN
China
Prior art keywords
fast
window
shutter
blinds
assembling
Prior art date
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.)
Expired - Fee Related
Application number
CN 00106651
Other languages
Chinese (zh)
Other versions
CN1317621A (en
Inventor
秦文涟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing University
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 00106651 priority Critical patent/CN1128287C/en
Publication of CN1317621A publication Critical patent/CN1317621A/en
Application granted granted Critical
Publication of CN1128287C publication Critical patent/CN1128287C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Blinds (AREA)

Abstract

The present invention relates to a quickly installed louver and a special specific profile for the louver. An independent louver is combined on a louver screen window and a louver glass window on a window frame and a louver hanger without a window frame. A plurality of blades are fixed via insertion by two or more blade support profiles; both ends of each blade can extend out of the support profiles, and the support profiles are arranged in parallel on the surface of a window frame to form the complete louver. The present invention has no transmission mechanism; the blades can be adjusted and separated to different angles; thus, the blades are convenient to disassemble, clean, fold and take off for collection. The present invention fills a blank of the louver having the same defects and convenience, uniform form, the same price level and corresponding service life with steel, plastic and aluminum alloy windows.

Description

The fast-assembling hard louver and the special sections thereof of easily detachable to wash adjustable angle
This patent is the design about the shutter special sections special-purpose with it, and the shutter of independent window frame is arranged, and is combined in a Screen window for shutter and a louver glass window on the window frame, and the shutter of no window frame is hung, and blinds is supported section bar and window frame profile.
Observe and, retrieve with title through daily life at furniture and building class by the patent abstract database that INTERNET retrieves Patent Office of the People's Republic of China: shutter, discover and seize 17 and 156 patents respectively, check one by one.By the INTERNET retrieval U.S. and Japan Patent database, US retrieval: TITLE:WINDOW<AND〉[BLIND, SHUTTER, LOUVER], discover and seize 214 patents, time span from: 197~1998.2 is open.JP retrieval: TITLE:WINDOW<AND〉ALL FIELDS:[BLIND, SHUTTER, LOUVER], discover and seize 59 patents, time span from: 1994~1998.10 is open.Check one by one.
Shutter has ventilation, and the function of sunshade also has a critical function in built-up city---cover sight line.Shutter in the current life mainly is the venetian shutter with rope support level blinds, the problem of horizontal blind window be rope be easy to wearing and tearing make the shutter life-span have only 1 or two years, blinds can not take out in addition, cleans difficult, sanitation and hygiene be difficult to the maintenance.Another kind is the venetian shutter of vertical louver, owing to can only fix one usually, one has wind, and blade just dances in the air with the wind, and sunlight and sight line all are completely exposed.Also having a kind of shutter is the old-fashioned shutter that vanes fixed can not be regulated.Reliable and stable shutter is a hard louver of being supported blinds by hardened member, and the hard louver life-span is long, and blinds clamping device and blinds governor motion are arranged, and is easy to use, but costs an arm and a leg the transmission mechanism complexity.The case that mechanism simplifies in the hard louver has: Chinese patent 97212820, U.S. Pat 5887386.Above-mentioned is soft, and the hard louver blade is adjustable, and is easy to use, thereby but all need transmission mechanism---need repairing, damage is arranged, expensive.And with existing section bar window on pattern, installing in the use, fight separately, disunity does not match, and is not the one family.
The purpose of this patent is: design a kind of being convenient to and clean, hygiene is simplified again, and several transmission mechanism-frees are the adjustable hard louver [claiming: the fast-assembling shutter] flexibly that do not lose of blade but.Thereby need not repair not fragile, long service life, cheap, be applicable to various dissimilar forms.Its blade, blade is supported section bar, a window frame profile and a pair part thereof are easy to make, and are easy to into section bar production.Blade is adjustable and the sectional different angles, is convenient to be folded down cleaning, and hard louver integral body is convenient to folding and is taken off and receive inspection.Pattern is many, and the shutter if any independent window frame is combined in a Screen window for shutter and a louver glass window on the window frame, and the shutter of no window frame is hung.
The purpose of this patent is achieved in that
The window frame profile of fast-assembling shutter is a kind of to be to utilize existing window frame profile [groove that has chute and pane or yarn as the aluminum window section bar] its section can be summarised as a rectangle, and the summary form as shown in Figure 5.Another kind of by window frame profile main body [the summary form as shown in Figure 5] and sheet flank [as accompanying drawing 6,7,8, in [4] shown in, termination in order to the standard shutter, can be the structure of single or multiple lift porous section] form, flank and main body entity connect or caulking groove connects and bearing of trend is identical and and width vertical with the window face is equivalent to the blinds width, flank can place main body middle part or end or between, also can be that L-shaped section is additional be bound up on the main body or embed in the groove of embedding window face [as yarn, glass] of main body flank.
The blinds of fast-assembling shutter supports that section bar has two kinds, all is strip sheet material or section bar,
A kind of is along a series of internal spline circles of length arrangement [can determine the center to center distance of all size during manufacturing], cook the blinds embedding with the groove of internal spline circle and decide groove [as shown in Figure 3], the tooth depth of internal spline circle is determined by concentric outer auxiliary circle [diameter is equivalent to the width of louvre blade] and interior cross section circle, flute profile is rotated in the projection on the given angle in the outer auxiliary circle [or general profile of projection] fluting by the cross section of louvre blade and determines, this groove is that groove is decided in the blinds embedding, and the disc in the middle of interior cross section circle is clipped forms a hole.Blinds can be adjusted angle in the teeth groove of different angles like this, and embedding is fixed, and same blinds supports that the blinds angle of each section on the section bar can difference [this is that other shutter is not accomplished].
Another kind is teeth groove circle outside length arrangement is a series of [can determine the center to center distance of all size during manufacturing], the groove of teeth groove circle is cooked the blinds embedding and is decided groove [as accompanying drawing 17 in addition, shown in 18], the tooth depth of outer teeth groove circle is determined by concentric outer cross section circle [diameter is less than the width of louvre blade] and interior auxiliary circle, flute profile is rotated in projection [or general profile of the projection] fluting that outer cross section circle goes up on the given angle by the cross section of louvre blade and determines, this groove is that groove is decided in the blinds embedding, and interior auxiliary circle limits groove depth.Blinds can be adjusted angle in the outer teeth groove of different angles like this, and embedding is fixed, supports that the angle of the blinds of each section on the section bar can be different.
The blinds of fast-assembling shutter supports that the section of section bar can be a shape, also can be in its one or both ends or the middle part termination of reinforcement or groove or hole muscle or flanging [as shown in Figure 4] are arranged.Certainly section can be a circular rectangle etc., but more with material.Length direction can be one section, also can be to be twisted together to connect foldable multistage.
There is the fast-assembling shutter of independent window frame to do window frame by fast-assembling shutter frame section, two or the blinds of multi-disc fast-assembling shutter support the fixed serial blinds of section bar embedding [forming the fast-assembling shutter hangs], support that section bar hangs on the window frame, the support section bar is stretched out at blinds two, a kind of is to utilize existing window frame profile not have the form of flank---blinds two be stuck in window frame the inboard [between window face and frame face 5~~concave surface of 10MM in, as shown in Figure 13], another kind is to support section bar to hang on the interior sash frame surface of window frame flank, blinds is limited in the window frame flank [as shown in Figure 12], forms a complete shutter.
It is to have the fast-assembling shutter of independent window frame to remove window frame that the fast-assembling shutter of no window frame is hung, and only has to support section bar and fixed blinds or the blinds of embedding to support two of section bar and get in touch bar to connect, and forms framework [as shown in Figure 11].Shutter is hung and can be hung over outside window on the support [as shown in Figure 16], on the existing various windows---make its Screen window for shutter that is transformed into combination and louver glass window.
Fast-assembling Screen window for shutter and louver glass window are that the dress shutter is hung on the fast-assembling sash frame surface, dress yarn or glass on the window frame.
The pattern of the blinds of fast-assembling shutter is not limit, and can be existing various, and section can be a straight line, broken line, and camber line, arc is rolled over blend, and the muscle or the groove of reinforcing can be arranged.Blinds with respect to the blinds support section bar that uses outer teeth groove circle needs open the groove of being wider than section material section approximately on the blade face, so that section bar passes.
The designed fast-assembling shutter of this patent is easy being suitable for respect to the existing the most outstanding advantage of shutter:
1. louvre blade is decided in the embedding of teeth groove circle, but can change in different angles without the transmission mechanism louvre blade, have soft, the basic function that the hard louver blade angle is adjustable.
2. the main body of shutter---the fast-assembling shutter is hung, and can remove dress fast, and louvre blade can be pulled out easily, is convenient to clean, and keeps hygienically clean, and is convenient to receive no season inspection.
3. being twisted together connects foldable multistage blinds support section bar, can amount to suspension unlimited window easily on forms thereby the fast-assembling shutter is hung, and has the effect of the soft blinds that can draw in.
4. the caulking groove in the selected different angles of the differing heights of shutter can make blade get different angles, is more suitable for people's living needs.As summer: the blinds angle to bedroom window eminence big so that keep off the sun more, near the lower blinds angle of desktop more flat make desktop bright in order to work.Can anticausticly routine principle to the classroom, make the preceding zone of window block the sunlight direct projection, make the depths, room that enough natural lightings also be arranged.
5. fast-assembling shutter and screen window, the glass window one does not take up space, and with its slip, fan is opened, and on-off ratio soft or hard shutter is more convenient, and is more succinct, and window is honest and clean all to be made things convenient for than drawing.
6. the member of fast-assembling shutter is simple, all can utilize the supermatic moulding production of existing equipment, makes cost lower, and output is fast, and output is big, rebuilds traditional industry, and makes it produce high added value.
7. analyze from cost: Screen window for shutter and louver glass window are to hang at the additional shutter of existing forms, only need additional expense seldom, are the most cheap current shutters, and are particularly suitable for the shutter that installs additional of old window.
8. fast-assembling Screen window for shutter and louver glass window have the double effects of shutter and screen window and shutter and glass window, replace existing screen window and glass window probably.
9. convenient, solve quickly and easily and filled up both at home and abroad and exist---steel, mould, aluminium alloy extrusions window aspect shortcoming is simple and direct with it quite, and pattern is unified, and the one price level has the blank of the shutter in corresponding application life again, and have various combinations, composite window is with a wide range of applications, huge market.
10. the fast-assembling shutter does not resemble softly, and hard louver can be regulated the blinds angle moment, and this is it than both unique deficiencies of back, but folding fast slides, and fan is opened and had more practical value.
Description of drawings:
Fig. 1. internal spline circle key diagram Fig. 2. the blinds section
Fig. 3. internal spline circle type blinds supports section bar front view 4. blinds to support the section bar section
Fig. 5. existing window frame profile skeleton diagram
Fig. 6,7,8,9. have the window frame profile skeleton diagram of the fast-assembling shutter of flank
Figure 10. internal spline circle type blinds supports section bar front view 11. fast-assembling shutters to hang
Figure 12,13. fast-assembling shutters [having or do not have yarn, glass window face] Figure 14. the suspension member figure that the fast-assembling shutter is hung
Figure 15. the internal spline circle type blinds that connects that is twisted together is supported the section bar front view
Figure 16. ceiling type internal spline circle type blinds is supported section bar front view Figure 17. outer teeth groove circle key diagram
Figure 18. outer teeth groove circle type blinds is supported section bar front and sectional drawing
Figure 19. the blinds that window frame does not have flank clamps figure
Figure 20,21. blinds that directly mount are supported section bar figure
Embodiment:
1. internal spline circle type blinds is supported section bar: as Fig. 1.Shown in, at blinds section [1] outside in the auxiliary circle projection on the given angle or general profile fluting determine that the blinds embedding decide groove [3] series [from a pair of to many to], the disc in the middle of interior cross section circle [2] is clipped forms a hole, thus formation internal spline circle.On section bar, press the center to center distance punching out internal spline circle [can form the different occlusion effect of density] of all size of determining during manufacturing, form internal spline circle type blinds and support section bar such as Fig. 3.Blinds section [1] pattern is not limit, can be as shown in Figure 2 yet.Support the section pattern of section bar not limit, also can be as shown in Figure 4.Tooth can height can be low, groove can be wide can be narrow the amount doesn't matter.Like this, it is slotting that blinds can be decided groove internal conversion angle both sides civilian dress in different blinds embeddings, is convenient to clean.
2. outer teeth groove circle type blinds is supported section bar: as Figure 17.Shown in, interior auxiliary circle [2] limits the degree of depth of fluting, and groove [3] series [from one to many] is decided in the definite blinds embedding as shown in figure 18 of projection fluting on given angle on the external arc at blinds section [1], forms outer teeth groove circle.Shown in Figure 180 is the connection of two outer teeth groove circles, and outer teeth groove circle type blinds supports that section bar promptly is extension shown in Figure 180.Support that the section of section bar can be shown in the last figure of Figure 18, but can be also indent muscle of flat board.The blinds blade need be opened the groove of the section of being wider than blinds support section bar approximately so that pass section bar, and preferably there is reinforcing rib at the blade two ends.Blinds section [1] pattern is not limit.Outer teeth groove circle type blinds supports section bar to the embedding of blinds surely as shown in figure 17, and the top of blade is embedded in the groove, and the bottom is put or is stuck on the outer teeth groove circle.
3. the window frame profile of fast-assembling shutter: on existing window frame profile has, down, both sides or a left side, right difference, the two ends that have have slides and the groove of pane, Yi Bian have groove just arranged, have at two ends or the side the local female or male that makes the mutual driving fit of sash is arranged, but concavo-convex yardstick is limited, and its profile can be summarized and be regarded rectangle as, has as shown in Figure 5.
With existing window frame profile is main body, connect 0.5~1.5 the flank that is equivalent to the shutter degree with the vertical and width identical of window face with window frame profile main body bearing of trend---see Fig. 6,7,8 flank [4], in order to the termination of standard shutter extension, thus the window frame profile of formation fast-assembling shutter.The connection of main body and flank can have the reinforced hole muscle of getting certain angle, as Fig. 6, shown in 7.Main body can be that the slip caulking groove connects with the connection of flank, as Fig. 8, shown in 9, is convenient to embed and also can takes off.From Fig. 8, see, make of L-shaped section that flank is additional to be bound up on the main body or to embed the effect that also has standard blinds termination in the groove of embedding window face.
4. the fast-assembling shutter is hung: as shown in figure 11, blinds [1] is inserted in two blinds and supports in the caulking groove of section bar [6], and the bar [5] of getting in touch that two of section bar [6] and hard tubing or other rod member are done connects, and forms framework, hangs thereby form the fast-assembling shutter, and is just so simple.Figure 10 is the lateral view that window is hung, and circle wherein [7] is represented gear ring.
Just form the fast-assembling shutter on the window frame face when the fast-assembling shutter is hung over, as shown in figure 12, window hangs on the window frame [8], and flank [4] standard blinds termination is arranged around the window frame.
Do not have flank [4] on the window frame of Figure 13 [8], its window frame promptly is the window frame under the prior art, and window is hung by hook [18] and hung in the window frame, and its detail drawing is shown in figure [19], and the window face is [14], and blinds [1] is lived the termination by the inside casing shelves of window frame [8].
The fast-assembling shutter is hung and also can be supported section bar directly to hang on window frame or other support, as Figure 20, shown in 21 by blinds.Figure 20, it is parallel and be fixed on the two ends up and down of supporting section bar [16] to have the another side of the less angle of cucurbit mouth and yardstick material [17] on one side, four major part screws are adorned in the position of the cucurbit mouth at the two ends of support section bar relatively on window frame or support, two support the cucurbit muzzle of section bar four major part screws, i.e. installations.Figure 21 has the cucurbit mouth in the two ends of supporting section bar [16], and supports the main body of section bar [16] to turn round 90 degree relatively two ends, thereby also can hang on the major part screw, finishes installation.
Window frame can be band pane groove or yarn-imbeding groove, also can not be with caulking groove, thereby forms the shutter of Screen window for shutter and louver glass window or independent window frame.The above-mentioned fast-assembling shutter that also can be used for is hung the combination shutter repacking that existing window is carried out.
Shown in Figure 14 is the sash that top suspension member [10] and lower springs card [11] are housed on window frame [8], the be twisted together window of [9] of shown in Figure 15 having is hung, the contact bar that window hangs up head hangs in the groove of top suspension member [10] shown in Figure 14, the contact bar that window is hung following is stuck in the lower springs card [11], thereby setting the fast-assembling shutter hangs, window is hung and can be taken off easily and hang up, but folding hangs over the top of window or lies on the windowsill, partly or entirely unlimited window.
Shown in Figure 16 is that the fast-assembling blinds that has teeth groove circle [7] that awning support shape is housed on the support [13] of window frame or window frame is supported section material frame [12], but being embedded in the inside sunshade, blinds do not influence ventilation up and down again, rain is not waftd vertically fall to window, bottom also can hang window and hang.

Claims (5)

1. the fast-assembling hard louver and the special sections thereof of easily detachable to wash adjustable angle, be by window frame profile, blinds is supported section bar, blinds, window face and pair part thereof constitute, the window frame profile that it is characterized in that the fast-assembling shutter can be to utilize existing window frame profile also can have main body and two parts that interconnect of flank, the blinds of fast-assembling shutter support section bar for one or more snippets strip section bar that connects to be twisted together and along a series of internal spline circles of length arrangement or outside the teeth groove circle decide blinds in order to embedding, the fast-assembling shutter by two or the blinds of multi-disc fast-assembling shutter support the section bar embedding to insert the serial blinds of teeth groove circle surely---forms fast-assembling shutter extension, the window frame profile of fast-assembling shutter is done window frame, the fast-assembling shutter hangs on the sash frame surface, form a complete fast-assembling shutter fan, thereby form fast-assembling shutter and fast-assembling Screen window for shutter and louver glass window etc. by caulking groove whether yarn or glass or other window face are arranged on the main body of window frame profile and embedded window face.
2. the fast-assembling hard louver and the special sections thereof of easily detachable to wash adjustable angle according to claim 1, the window frame profile that it is characterized in that the fast-assembling shutter can have the window frame profile main body and connect with the window frame profile main body and bearing of trend is identical and vertical with the window face or be bordering on the sheet flank that vertical and width is equivalent to the blinds width, the window frame profile main body is the caulking groove that present window frame profile can have or not have various window faces, flank is list or multilayer or porous sheet
The connection of flank and main body can be whole, and attachment can have the reinforced hole muscle of getting certain angle, also can be that mutual caulking groove connects---can embed and can take off, also can be that L-shaped section is additional be bound up on the main body or embed in the caulking groove of embedding window face flank.
3. the fast-assembling hard louver and the special sections thereof of easily detachable to wash adjustable angle according to claim 1 is characterized in that the blinds of fast-assembling shutter supports that section bar has two kinds, all are strip sheet material or section bar,
A kind of is along a series of internal spline circles of length arrangement, cook the blinds embedding with the groove of internal spline circle and decide groove,
Another kind is a teeth groove circle outside length arrangement is a series of, and the groove of teeth groove circle is cooked the blinds embedding and decided groove in addition,
The blinds of fast-assembling shutter supports that the section of section bar can be a shape, also can be in its one or both ends or the middle part termination of reinforcement or groove or hole muscle or flanging are arranged, section also can be round, forms such as square, length direction can be one section, also can be to be twisted together to connect foldable multistage
Support the termination of section bar can have hole such as cucurbit mouth, 90 degree are turned round or dressed up to termination and main body, directly hangs on window frame or the support.
4. the fast-assembling hard louver and the special sections thereof of easily detachable to wash adjustable angle according to claim 1, the fast-assembling shutter that it is characterized in that not having window frame hang by two or the blinds of multi-disc fast-assembling shutter support the section bar embedding to insert the serial blinds of teeth groove circle surely---forms fast-assembling shutter extension, blinds support two of section bar can be directly or with get in touch bar and connect the formation framework, can hang over outside window on the support, on the existing various windows---make its Screen window for shutter that is transformed into combination and louver glass window.
5. according to the fast-assembling hard louver and the special sections thereof of claim 1 or 4 described easily detachable to wash adjustable angles, propose and implemented the composite window of shutter and yarn or glass window one first, it is characterized in that the shutter of composite window and yarn or the shared window frame of glass window are as support.
CN 00106651 2000-04-12 2000-04-12 Hard louver with adjustable angle and easily detachable to wash and its special sections Expired - Fee Related CN1128287C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 00106651 CN1128287C (en) 2000-04-12 2000-04-12 Hard louver with adjustable angle and easily detachable to wash and its special sections

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 00106651 CN1128287C (en) 2000-04-12 2000-04-12 Hard louver with adjustable angle and easily detachable to wash and its special sections

Publications (2)

Publication Number Publication Date
CN1317621A CN1317621A (en) 2001-10-17
CN1128287C true CN1128287C (en) 2003-11-19

Family

ID=4578390

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 00106651 Expired - Fee Related CN1128287C (en) 2000-04-12 2000-04-12 Hard louver with adjustable angle and easily detachable to wash and its special sections

Country Status (1)

Country Link
CN (1) CN1128287C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101915052B (en) * 2010-09-03 2012-01-11 陈玉强 Conveniently cleaned technical wood composite louver

Also Published As

Publication number Publication date
CN1317621A (en) 2001-10-17

Similar Documents

Publication Publication Date Title
CN1340127A (en) Supporting means for a screening device
CN1128287C (en) Hard louver with adjustable angle and easily detachable to wash and its special sections
CN2481830Y (en) Convenient-to-dismount-and-wash adjustable angle shutter and its special sections
CN2856354Y (en) Single frame sash with double-sash linkage
CN101042039A (en) Window of frameless window linked with frameless mesh window
CN2628924Y (en) Automatic controlling ventilating system
CN200964757Y (en) Aluminum door window capable of mounting window curtain
CN220539538U (en) Hidden aluminum alloy shutter of mullion
CN2816287Y (en) Suspensition type ball-shpe rolling sliding-window
CN2711355Y (en) Lifting/lowering type theft-proof blind-window
US20050098272A1 (en) Universal window treatment hardware system
CN2811512Y (en) Aluminum section bar for side-hung window
CN2767611Y (en) Screen externally fixed, inward-opening aluminium alloy window
CN217154080U (en) Energy-saving green building lighting device
CN2716466Y (en) Pneumatic type lift window
CN2611556Y (en) Protecting window type louver curtain
CN200961321Y (en) Heat-expelled type sunshade
CN2692319Y (en) Power driven louver
CN2693136Y (en) Curtain rod decorative end
CN2233449Y (en) Door and window glass cleat
CN215718125U (en) Energy-saving aluminum alloy door and window installation device convenient to operate
CN218509381U (en) Adjustable intelligent electric ceiling aluminum shutter
CN218376256U (en) Hollow glass sun-shading shutter with LED
CN2671458Y (en) Novel window curtain slide rod fixer
CN211119014U (en) Hanging lamp convenient to hoist and mount for life

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: CHONGQING UNIV

Free format text: FORMER NAME OR ADDRESS: QIN WENLIAN

CP03 Change of name, title or address

Address after: 400045 No. 83 North Street, Shapingba District, Chongqing

Patentee after: Chongqing University

Address before: 400045 No. 49 East Village, Chongqing Architectural University

Patentee before: Qin Wenlian

C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee