CN114587101A - Manufacturing method of office chair back - Google Patents

Manufacturing method of office chair back Download PDF

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Publication number
CN114587101A
CN114587101A CN202210184436.5A CN202210184436A CN114587101A CN 114587101 A CN114587101 A CN 114587101A CN 202210184436 A CN202210184436 A CN 202210184436A CN 114587101 A CN114587101 A CN 114587101A
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China
Prior art keywords
inner frame
filler
cross beam
manufacturing
coat
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CN202210184436.5A
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CN114587101B (en
Inventor
石建洪
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Ningbo Xinlu Polyurethane Industry Co ltd
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Ningbo Xinlu Polyurethane Industry Co ltd
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Priority to CN202210184436.5A priority Critical patent/CN114587101B/en
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/36Support for the head or the back
    • A47C7/40Support for the head or the back for the back

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  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

The invention discloses a manufacturing method of an office chair back, which comprises the following steps: the first step is as follows: manufacturing a support frame, and a second step: manufacturing a filler; the third step: embedding the support frame finished in the first step into a filler (21), and in the fourth step: selecting a plurality of flexible buffer strips (31), and attaching the buffer strips (31) to the back surfaces of two vertical rods (3), a third cross beam (12) at the top of the inner frame (1) and a fourth cross beam (13) at the bottom of the inner frame (1); the fifth step: manufacturing a coat, and the sixth step: turning the coat which is finished in the fifth step outwards, sleeving the coat from the head of the filler (21), and inserting the side surfaces of all the buffer strips into the inner side of the coat; the seventh step: the outer casing is wrapped with a sponge filler (21). The manufacturing method adopts the internal frame with a better supporting structure, solves the problem of direct friction between the frame and the outer sleeve, increases the positioning effect between the sponge filler and the internal frame, and increases the supporting effect of the side wings.

Description

Manufacturing method of office chair back
Technical Field
The invention relates to the technical field of office furniture, in particular to a manufacturing method of an office chair back.
Background
Office chairs, one of the most common office furniture, come in a variety of styles. At present, an office chair with filler inside and leather or leather-like material outside is provided, a base is generally provided with a liftable air spring and can rotate at any angle, the angle can be conveniently adjusted, and armrests are arranged on two sides of a chair seat. The chair back generally adopts a structure capable of adjusting the inclination angle, and the top of the chair back is provided with an integrated headrest. At present, in the office chair with the structure, the chair back, the chair seat, the armrests and the base are respectively and independently processed and finally assembled into a whole. The manufacturing process of the chair back has the following defects:
1. the inner frame of the chair back adopts a square frame structure, and has higher strength outside, but has poor supporting effect and can not support excessive fillers, thereby leading to insufficient supporting performance of the chair back and poor resetting effect.
2. The frame on the back of the chair back is exposed to be contacted with the inner wall of the outer sleeve, when the chair back is used, the frame and the outer sleeve have friction, and the inner frame is supported by steel materials, so that the inner side wall of the outer sleeve and the inner frame are abraded and broken.
3. The filler and the inner frame are lack of effective positioning, and the probability of dislocation exists when the packing is used.
4. The positioning between the chair back body and the side wings at the two sides is lacked, so that the side wings can not effectively support the back.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a method for manufacturing the office chair back, which adopts an internal frame with a better supporting structure, solves the direct friction between the frame and an outer sleeve, increases the positioning effect between a sponge filler and an internal frame, and increases the supporting effect of side wings.
The technical scheme of the invention is to provide a manufacturing method of an office chair back, which comprises the following structural steps: the method comprises the following steps of manufacturing a support frame, namely selecting a rectangular inner frame, arranging a head support frame at the top of the inner frame, arranging side wing wrapping supports on a left vertical rod and a right vertical rod of the inner frame respectively, wherein the side wing wrapping supports are approximately vertical to the inner frame, and arranging first reinforcing rods at the top of each vertical rod and the top of each side wing wrapping support, wherein the first reinforcing rods incline to the outer side of the inner frame; the bottoms of the left vertical rod and the right vertical rod are provided with fixed seats for mounting hinges; a first cross beam is arranged at the top of the inner side of the inner frame, a second cross beam is arranged at the bottom of the inner side of the inner frame, two stand columns are arranged on the first cross beam and the second cross beam, a supporting plate is fixed on the second cross beam and the two stand columns, and a reverse V-shaped first supporting rod is arranged on the back of the supporting plate;
the second step is that: manufacturing a filler; the method comprises the following steps of manufacturing a sponge filler of a backrest, arranging a headrest at the top of the sponge filler, arranging a first notch extending downwards to a boundary in the middle of the sponge filler, arranging first grooves extending along the thickness direction on two sides of the first notch, arranging second grooves extending into the headrest along the height direction on the top surface of the first notch, and arranging through holes for installing handrails on two side surfaces of the sponge filler; a third groove is respectively arranged below the through holes;
the third step: embedding the supporting frame finished in the first step into the filler, embedding the head supporting frame into a second groove of the headrest, respectively embedding the left vertical rod and the right vertical rod into the first grooves on the corresponding sides, and respectively embedding the two side wing wrapping supports into the corresponding first grooves; meanwhile, the whole inner frame is lower than the surface of the filler;
the fourth step: selecting a plurality of flexible buffer strips, attaching the buffer strips to the back surfaces of two vertical rods, a third cross beam at the top of the inner frame and a fourth cross beam at the bottom of the inner frame, and enabling all the buffer strips to protrude out of the sponge filler;
the fifth step: manufacturing a coat, wherein the coat is matched with the sponge filler by sewing, the coat comprises a front face, a back face and a head cover, the front face comprises a part wrapping the side wings, and the joints of the front face and the back face are respectively provided with an open-close zipper;
and a sixth step: turning the coat which is finished in the fifth step outwards, sleeving the coat from the head of the filler, and inserting the side surfaces of all the buffer strips into the inner side of the coat;
the seventh step: insert a location strip in two first position sleeves respectively to the first position sleeve that will insert the location strip is fixed respectively to the montant that corresponds on, inserts a buffer block between the front of overcoat and the backup pad this moment, and the inside laminating in front of buffer block and overcoat inserts a location strip at the second position sleeve, folds two zip fasteners on the back simultaneously, makes the overcoat parcel live the sponge filler.
And an adhesive tape is bonded on one surface of each buffer strip in the fourth step, the width of the adhesive tape is smaller than that of the buffer strip, and the adhesive tape is bonded with the attached part to fix the buffer strip.
In the fifth step, two first positioning sleeves are arranged on the inner side of the front face, each positioning sleeve is positioned at the joint of the front face and the side wing, and a second positioning sleeve is arranged at the bottom of the front face; and meanwhile, the first positioning sleeve is fixed on the vertical rod on the same side.
The front surface of the supporting plate is lower than a plane formed by the two vertical rods, and a cavity is formed between the front surface of the outer sleeve and the supporting plate in the seventh step.
In the fourth step, after the buffer strips are added, the back surfaces of the two vertical rods, the third cross beam at the top of the inner frame and the fourth cross beam at the bottom of the inner frame are attached to the back surfaces of the sleeved outer sleeves and the corresponding buffer strips respectively.
After the steps are adopted, compared with the prior art, the technology of the invention has the following remarkable progress and prominent substantive characteristics:
1. this application is except the intensity of inside casing, two stands and a backup pad have still been increased in the inside of the back of the chair to in addition guaranteeing original intensity, the backup pad at the middle part of inside casing can provide better support nature, two stands provide the backup pad moreover enough according to intensity, the backup pad not only increases the deformation that can have a certain degree, the deformation of two stands has certain swing distance from beginning to end again, user's travelling comfort and support nature have been increased.
2. The back surfaces of the two vertical rods, the third cross beam at the top of the inner frame and the fourth cross beam at the bottom of the inner frame are adhered with the buffer strips, and all the buffer strips are protruded out of the sponge filler, so that the outer sleeve is not directly contacted with the vertical rods and the fourth cross beam at the bottom of the inner frame of the third cross beam, and the outer sleeve is prevented from being abraded; and the buffer strip can also play the impact of external force to the filler, increases the protective effect.
3. The inner frame is embedded into the filler, and the handrail penetrates through the side face of the filler and is installed on the side face of the inner frame, so that the positioning effect between the filler and the inner frame is good, and dislocation between the filler and the inner frame is avoided.
4. Insert a location strip in two first position sleeves respectively to the first position sleeve that will insert the location strip is fixed respectively to the montant that corresponds on, because every position sleeve is located the junction of front and flank, thereby can increase the joint strength of flank, can also make simultaneously laminating more of overcoat and internal frame, avoids the front fold to appear with the junction of flank.
5. Insert a buffer block between the front of overcoat and backup pad, the inboard laminating in front of buffer block and overcoat makes the front of the back of the chair possess better buffering effect.
6. A positioning strip is inserted into the second positioning sleeve, and the two zippers on the back face are closed at the same time, so that the outer sleeve wraps the sponge filler, and the bottom opening of the outer sleeve is well closed. Avoiding excessive compression of the filler by the jacket.
Drawings
Figure 1 is a schematic front view of the inner frame of an office chair back of the present invention.
Figure 2 is a schematic view of the back of the inner frame of an office chair back of the present invention.
Fig. 3 is a schematic view of the filler for the back of an office chair of the present invention.
Figure 4 is a schematic view of the back of an office chair back of the present invention.
Figure 5 is a schematic view of an outer cover for an office chair back of the present invention.
As shown in the figure: 1. the head support comprises an inner frame, 2, a head support frame, 3, a vertical rod, 4, a side wing wrapping support, 5, a first reinforcing rod, 6, a fixing seat, 7, a first cross beam, 8, a second cross beam, 9, a stand column, 10, a support plate, 11, a first supporting rod, 12, a third cross beam, 13, a fourth cross beam, 21, filler, 22, a headrest, 23, a first notch, 24, a first groove, 25, a second groove, 26, a through hole, 27, a third groove, 31, a buffer strip, 41, a front face, 42, a back face, 43 and a head cover.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
As shown in fig. 1 to 5, the method for manufacturing the office chair back of the invention comprises the following steps:
the first step is as follows: the support frame is manufactured, as shown in fig. 1 and fig. 2, a rectangular inner frame 1 is selected, a head support frame 2 is arranged at the top of the inner frame 1, and the head support frame 2 inclines to the front side. The left vertical rod 3 and the right vertical rod 3 of the inner frame 1 are respectively provided with a side wing wrapping support 4, the side wing wrapping supports 4 are Y-shaped, the side wing wrapping supports 4 are approximately perpendicular to the inner frame 1, the top of each vertical rod 3 and the top of each side wing wrapping support 4 are provided with a first reinforcing rod 5, and the first reinforcing rods 5 are inclined towards the outer side of the inner frame 1; the bottoms of the left vertical rod 3 and the right vertical rod 3 are provided with fixed seats 6 for mounting hinges; the top of the inner side of the inner frame 1 is provided with a first cross beam 7, and the bottom of the inner side of the inner frame 1 is provided with a second cross beam 8. Be equipped with two stands 9 on first crossbeam 7 and second crossbeam 8, stand 9 possesses certain deformation, be fixed with a backup pad 10 on second crossbeam 8, two stands 9, have the aperture of a plurality of fretworks in the backup pad 10 to make backup pad 10 possess certain deformation intensity, when the people relied on to go, backup pad 10 can the indent, also can resume. The back of the supporting plate 10 is provided with a first inverted V-shaped supporting rod 11; the first support rod 11 is V-shaped and is a spring, two ends of the bottom of the first support rod are buckled on the cross beam of the inner frame 1, and the first support rod 11 always provides supporting force for the bottom of the support plate 10.
The second step is that: manufacturing a filler; manufacturing a sponge filler 21 of a backrest, wherein the sponge filler 21 is of an integral structure, the top of the sponge filler 21 is simultaneously provided with a headrest 22, the middle of the sponge filler is provided with a first notch 23 extending downwards to the boundary, two sides of the first notch 23 are provided with first grooves 24 extending along the thickness direction, the top surface of the first notch 23 is provided with second grooves 25 extending into the headrest 22 along the height direction, and two side surfaces of the sponge filler 21 are provided with through holes 26 for installing armrests; a third recess 27 is provided below the through-holes 26.
The third step: embedding the support frame finished in the first step into the filler 21, embedding the head support frame 2 into a second groove 25 of the headrest 22, respectively embedding the left and right vertical rods 3 into the first grooves 24 on the corresponding sides, and respectively embedding the two side wing wrapping supports 4 into the corresponding first grooves 24; while the entire inner frame 1 is lowered below the surface of the filler 21;
the fourth step: selecting a plurality of flexible buffer strips 31, attaching the buffer strips 31 to the back surfaces of two vertical rods 3, a third cross beam 12 at the top of the inner frame 1 and a fourth cross beam 13 at the bottom of the inner frame 1, and enabling all the buffer strips 31 to protrude out of the sponge filler 21; the length and the width of the buffer strips 31 on the two vertical rods 3, the third cross beam 12 at the top of the inner frame 1 and the fourth cross beam 13 at the bottom of the inner frame 1 are larger than those of the body, so that the exposed part on the back surface can play a role in protection and buffering. The one side of laminating bonds has the adhesive tape on every buffering strip 31 in the fourth step, and the width of adhesive tape is less than the width of buffering strip 31, and thereby the adhesive tape is fixed with the part bonding buffering strip by the laminating. In the fourth step, after the buffer strips 31 are added, the back surfaces of the two vertical bars 3, the third cross beam 12 at the top of the inner frame 1 and the fourth cross beam 13 at the bottom of the inner frame 1 and the back surface 42 of the sleeved outer sleeve are attached to the corresponding buffer strips 31.
The fifth step: manufacturing a coat, matching the coat with the sponge filler 21 by sewing, wherein the coat comprises a front face 41, a back face 42 and a head cover 43, the front face 41 comprises a part for wrapping the side wings, and the connecting parts of the side face of the front face 41 and the back face 42 are respectively provided with an open-close zipper; after being installed, the chair back is pulled up, so that the outer sleeve wraps the whole chair back. Two first positioning sleeves are arranged on the inner side of the front surface 41, each positioning sleeve is positioned at the connecting part of the front surface 41 and the side wing, and a second positioning sleeve is arranged at the bottom of the front surface 41; and simultaneously the first positioning sleeve is fixed on the vertical rod 3 on the same side.
And a sixth step: turning the coat which is finished in the fifth step outwards, sleeving the coat from the head of the filler 21, gradually sleeving the turned-out part outside the sponge filler, and inserting the side surfaces of all the buffer strips into the inner side of the coat;
the seventh step: one positioning strip is inserted into each of the two first positioning sleeves, and the first positioning sleeves inserted into the positioning strips are fixed to the corresponding vertical rods 3 respectively, wherein the first positioning sleeves are fixed by arc-shaped staples and are fixed by 4-5 staples respectively. At this time, a buffer block 32 is inserted between the front 41 of the outer sleeve and the support plate 10, the buffer block 32 is attached to the inner side of the front 41 of the outer sleeve, a positioning strip is inserted into the second positioning sleeve, and two zippers on the back 42 are closed at the same time, so that the outer sleeve wraps the sponge filler 21. The front surface of the support plate 10 is lower than the plane formed by the two vertical bars 3, and a cavity is formed between the front surface 41 of the outer sleeve and the support plate 10 in the seventh step.

Claims (5)

1. A manufacturing method of office chair backs comprises the following steps:
the first step is as follows: the method comprises the steps of manufacturing a support frame, wherein a rectangular inner frame (1) is selected, a head support frame (2) is arranged at the top of the inner frame (1), side wing wrapping supports (4) are respectively arranged on a left vertical rod (3) and a right vertical rod (3) of the inner frame (1), the side wing wrapping supports (4) are approximately perpendicular to the inner frame (1), a first reinforcing rod (5) is arranged at the top of each vertical rod (3) and the top of each side wing wrapping support (4), and the first reinforcing rods (5) incline to the outer side of the inner frame (1); the bottoms of the left vertical rod (3) and the right vertical rod (3) are provided with fixed seats (6) for mounting hinges; a first cross beam (7) is arranged at the top of the inner side of the inner frame (1), a second cross beam (8) is arranged at the bottom of the inner side of the inner frame (1), two upright posts (9) are arranged on the first cross beam (7) and the second cross beam (8), a support plate (10) is fixed on the second cross beam (8) and the two upright posts (9), and an inverted V-shaped first support rod (11) is arranged on the back of the support plate (10);
the second step is that: manufacturing a filler; manufacturing a sponge filler (21) of a backrest, arranging a headrest (22) at the top of the sponge filler, arranging a first gap (23) which extends downwards to the boundary in the middle of the sponge filler, arranging first grooves (24) which extend along the thickness direction on two sides of the first gap (23), arranging second grooves (25) which extend into the headrest (22) along the height direction on the top surface of the first gap (23), and arranging through holes (26) for installing handrails on two side surfaces of the sponge filler (21); a third groove (27) is respectively arranged below the through holes (26);
the third step: embedding the support frame finished in the first step into a filler (21), embedding the head support frame (2) into a second groove (25) of a headrest (22), respectively embedding the left vertical rod (3) and the right vertical rod (3) into a first groove (24) on one corresponding side, and embedding the two side wing wrapping supports (4) into a corresponding first groove (24); simultaneously, the whole inner frame (1) is lower than the surface of the filler (21);
the fourth step: selecting a plurality of flexible buffer strips (31), attaching the buffer strips (31) to the back surfaces of two vertical rods (3), a third cross beam (12) at the top of the inner frame (1) and a fourth cross beam (13) at the bottom of the inner frame (1), and enabling all the buffer strips (31) to protrude out of the sponge filler (21);
the fifth step: manufacturing a coat, matching the coat with the sponge filler (21) by sewing, wherein the coat comprises a front face (41), a back face (42) and a head cover (43), the front face (41) comprises a part wrapping the side wings, and the joints of the front face (41) and the back face (42) are respectively provided with an open-close zipper;
and a sixth step: turning the coat which is finished in the fifth step outwards, sleeving the coat from the head of the filler (21), and inserting the side surfaces of all the buffer strips into the inner side of the coat;
the seventh step: insert a location strip in two first position sleeves respectively to the first position sleeve that will insert the location strip is fixed respectively to corresponding montant (3), insert a buffer block (32) between front (41) of overcoat and backup pad (10) this moment, the inboard laminating of front (41) of buffer block (32) and overcoat, insert a location strip at the second position sleeve, fold two zip fasteners on the back (42) simultaneously, make the overcoat parcel live sponge filler (21).
2. The method of making an office chair back as claimed in claim 1, wherein: and a rubber strip is bonded on one surface attached to each buffer strip (31) in the fourth step, the width of the rubber strip is smaller than that of the buffer strip (31), and the rubber strip is bonded with the attached part to fix the buffer strip.
3. The method of making an office chair back as claimed in claim 1, wherein: in the fifth step, two first positioning sleeves are arranged on the inner side of the front surface (41), each positioning sleeve is positioned at the joint of the front surface (41) and the side wing, and a second positioning sleeve is arranged at the bottom of the front surface (41); meanwhile, the first positioning sleeve is fixed on the vertical rod (3) on the same side.
4. A method of forming an office chair back as claimed in claim 3, wherein: the front surface of the supporting plate (10) is lower than a plane formed by the two vertical rods (3), and a cavity is formed between the front surface (41) of the outer sleeve and the supporting plate (10) in the seventh step.
5. The method of making an office chair back as claimed in claim 1, wherein: in the fourth step, after the buffer strips (31) are added, the back surfaces of the two vertical rods (3), the third cross beam (12) at the top of the inner frame (1) and the fourth cross beam (13) at the bottom of the inner frame (1) are attached to the back surface (42) of the sleeved outer sleeve and the corresponding buffer strips (31).
CN202210184436.5A 2022-02-28 2022-02-28 Manufacturing method of office chair back Active CN114587101B (en)

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CN202210184436.5A CN114587101B (en) 2022-02-28 2022-02-28 Manufacturing method of office chair back

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Application Number Priority Date Filing Date Title
CN202210184436.5A CN114587101B (en) 2022-02-28 2022-02-28 Manufacturing method of office chair back

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CN114587101A true CN114587101A (en) 2022-06-07
CN114587101B CN114587101B (en) 2024-04-26

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1579289A (en) * 2003-08-08 2005-02-16 吴秀雪 Method for making office chair back and product thereof
TW201836526A (en) * 2017-04-14 2018-10-16 廣力達企業有限公司 Support plate for chair comprising an outer frame and a support surface
CN111202377A (en) * 2020-03-13 2020-05-29 广州市沃时家具有限公司 Stable office chair with long service life
CN210810081U (en) * 2019-07-05 2020-06-23 大康控股集团有限公司 Chair with detachable seat

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1579289A (en) * 2003-08-08 2005-02-16 吴秀雪 Method for making office chair back and product thereof
TW201836526A (en) * 2017-04-14 2018-10-16 廣力達企業有限公司 Support plate for chair comprising an outer frame and a support surface
CN210810081U (en) * 2019-07-05 2020-06-23 大康控股集团有限公司 Chair with detachable seat
CN111202377A (en) * 2020-03-13 2020-05-29 广州市沃时家具有限公司 Stable office chair with long service life

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