CN115486558A - Preparation system of laminated core rod - Google Patents
Preparation system of laminated core rod Download PDFInfo
- Publication number
- CN115486558A CN115486558A CN202211320798.9A CN202211320798A CN115486558A CN 115486558 A CN115486558 A CN 115486558A CN 202211320798 A CN202211320798 A CN 202211320798A CN 115486558 A CN115486558 A CN 115486558A
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- core material
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0229—Filter rod forming processes
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
- A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/17—Filters specially adapted for simulated smoking devices
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Making Paper Articles (AREA)
Abstract
The invention belongs to the technical field of mandrel rolling and discloses a preparation system of a laminated mandrel. The core rod is formed by integrally fixing a first core material and a second core material into a left-right symmetrical and up-down symmetrical orderly stacked state through the presetting device after the first core material and the second core material are respectively subjected to intermittent folding through the first core material and the second core material unreeling, folding and perfuming assembly, then folding through the cigarette tongue and wrapping through the forming paper, and the core material in the laminated core rod comprises a continuous folded section and a flat section; the core rod preparation method solves the problems that core rods with different purposes are not universal in preparation and the uniformity of a core material is difficult to control in the prior art.
Description
Technical Field
The invention relates to the technical field of mandrel rolling, in particular to a preparation system of a laminated mandrel.
Background
The core rod comprises a filter rod for a conventional cigarette, a cigarette core rod for a heated cigarette (aerosol containing fragrant components is generated after heating) and a cooling rod for the heated cigarette. For the filter stick, the acetate fiber tow is mostly adopted to prepare a conventional filter stick, a hollow filter stick, a polygonal filter stick and an embossed wrinkled paper filter stick; the cigarette core rod for heating cigarettes mainly comprises a cigarette core rod which is formed by completely cutting tobacco sheets into strip-shaped tobacco shreds and filling the tobacco shreds in order, a cigarette core rod which is formed by longitudinally pressing and cutting the tobacco sheets but not completely cutting the tobacco shreds, a cigarette core rod which is formed by filling the tobacco shreds in order, and a cigarette core rod which is formed by filling the tobacco shreds or the tobacco shreds in disorder; the cooling rod for heating cigarettes mainly comprises a hollow core rod, an embossing gathered PLA film rod, a fiber woven bundle rod, a longitudinal continuous embossing wrinkled paper rod and the like, such as a Marlboro heating cigarette in Feimeo, wherein the cooling section of the cooling rod adopts the embossing gathered (non-uniformly gathered asymmetric form) PLA film rod.
Aiming at different purposes, the core rod is prepared by adopting different process technologies, the preparation process has no universality, the existing filter rod preparation process technology can not be used for preparing the cigarette core rod for heating cigarettes, and the existing cigarette core rod preparation process for heating cigarettes is not suitable for preparing filter rods and cooling rods.
In addition, the heating of the cigarette core rod for cigarette involves the procedures of pressing and cutting (incomplete cutting), slitting (complete cutting), shredding and the like of the tobacco sheets, so that the manufacturing is complex, the uniformity of core material filling is difficult to control, and the control on the suction resistance and the consistency of physical indexes of the cigarette core rod is difficult.
Disclosure of Invention
The invention aims to provide a preparation device of a laminated core rod, which solves the problems that core rod preparation of different processes in the prior art has no universality and the uniformity of a core material is difficult to control.
In order to achieve the purpose, the invention adopts the following technical scheme: the invention provides a laminated core rod preparation system, which comprises a first core material unreeling, folding and perfuming component, a second core material unreeling, folding and perfuming component, a presetting device, a cigarette tongue, a forming paper supply part, a cigarette gun and a cutting component, wherein the core rod is formed by integrally fixing a first core material and a second core material into a left-right symmetrical and up-down symmetrical orderly stacked state through the presetting device after the first core material and the second core material are respectively discontinuously folded through the first core material and the second core material unreeling, folding and perfuming component, then drawing through the cigarette tongue and wrapping through the forming paper, and the core material in the core rod comprises a continuous folded section and a flat section.
Preferably, the core material is a fiber material.
Preferably, the core material is a tobacco sheet, a paper material or an acetate fiber material.
Preferably, the first core material unreeling, folding and perfuming assembly comprises a first core material, a first unreeling device, a first folding pair roller, a first perfuming device and a first output roller; the second core material unreeling, folding and perfuming assembly comprises a second core material, a second unreeling device, a second folding pair roller, a second perfuming device and a second output roller, and the first core material unreeling, folding and perfuming assembly and the second core material unreeling, folding and perfuming assembly are arranged up and down.
Preferably, the first and second creasing rollers comprise upper and lower rollers, the upper roller comprises a plurality of sections of upper roller tooth groove areas and a plurality of sections of upper roller smooth surface areas, and the intervals of the upper roller tooth groove areas and the upper roller smooth surface areas can be equal or different; the width of the tooth space area of the upper roller is matched with the width of the folded section of the core material; the width of the smooth surface area of the upper roller is matched with the width of the straight section of the core material; the lower roll comprises a plurality of sections of lower roll tooth groove areas and a plurality of sections of lower roll polished surface areas, and the intervals of the sections of lower roll tooth groove areas and the intervals of the sections of lower roll polished surface areas can be equal or unequal; the width of the tooth groove area of the lower roller is matched with the width of the pressing and folding section of the core material; the width of the smooth surface area of the lower roller is matched with the width of the straight section of the core material; the widths of the upper roller and the lower roller are larger than the width of the core material.
Preferably, the top of the upper roll tooth in the upper roll tooth space region is in staggered fit with the bottom of the lower roll tooth in the lower roll tooth space region, and the bottom of the upper roll tooth in the upper roll tooth space region is in staggered fit with the top of the lower roll tooth in the lower roll tooth space region; the last roller polished area who goes up roller gullet district and the lower roller polished area of lower roller gullet district mutually support, go up roller tooth top and lower roller tooth bottom, go up the roller tooth bottom and the crisscross coincidence department degree of depth of roller tooth top between 0.2mm to 2mm, it is 2 between 100 with the quantity of going up the roller tooth bottom to go up the roller tooth top, the quantity of lower roller tooth bottom and lower roller tooth top is 2 between 100.
Preferably, the whole presetting device is conical, wherein the size of the inlet end face is larger than that of the outlet end face, and the size of the outlet end face is matched with that of the inlet of the cigarette tongue, so that the core material can smoothly penetrate through the presetting device and can be gradually folded.
Preferably, the pre-shaping device comprises a shaping outer ring and a shaping inner core which are coaxial, and the shaping outer ring and the shaping inner core are matched to form a continuous folding groove and a continuous straight groove; the shaping inner core comprises a first pre-shaping area and a second pre-shaping area, the first pre-shaping area and the second pre-shaping area are arranged in a vertical symmetry mode by taking a second virtual partition surface as a symmetry plane, and the shaping inner core is in a bilateral symmetry structure.
Preferably, the first core material and the second core material are respectively arranged in a first presetting area and a second presetting area in the presetting device, the first core material and the second core material are evenly distributed in the presetting area from left to right, the straight section of the core material corresponds to the straight groove of the presetting area, the folded section of the core material corresponds to the folded groove of the presetting area, and the first core material and the second core material are integrally fixed by the first presetting area and the second presetting area respectively, then are folded by the cigarette tongue and are wrapped by the forming paper to form a lamination core rod which is symmetrical from left to right, symmetrical from top to bottom and provided with continuous folded sections and straight sections.
Has the advantages that: according to the laminated core rod prepared by the invention, the core materials are uniformly distributed in an up-down symmetrical and left-right symmetrical manner due to the adoption of the interval-type folding and integral shaping, so that the uniform filling of the core materials is ensured; the core materials are folded at the folding sections, and the folding sections play a supporting role, so that the core materials between adjacent sections cannot be completely attached, the smooth airflow of the laminated core rod is realized, and meanwhile, the preparation system of the laminated core rod can be used for preparing the cigarette core rod for heating cigarettes, the cooling rod and the filter rod for conventional cigarettes by selecting different core material materials.
Drawings
FIG. 1 is a schematic cross-sectional view of a laminated mandrel of the present invention;
FIG. 2 is a schematic view of a laminated core rod manufacturing system of the present invention;
FIG. 3 is a schematic view of the overall structure of the press-folding roll of the present invention;
FIG. 4 is a schematic view of a first core material in a folded state according to the present invention;
FIG. 5 is a schematic cross-sectional view of a pre-shaping apparatus of the present invention;
FIG. 6 is a schematic view of the overall configuration of the presetting device of the present invention.
In the figure: 1-stacked mandrel, 11-first mandrel, 101-second mandrel, 12-profile, 13-first virtual parting plane, 14-first profile, 15-first straight section, 16-first fold section, 104-second profile, 105-second straight section, 106-second fold section, 21-first unwinding device, 22-first fold roller, 220-upper roller, 221-lower roller, 222-upper roller flute region, 223-upper roller flute region, 224-lower roller flute region, 225-lower roller flute region, 226-upper roller crest, 227-upper roller crest, 228-lower roller crest, 229-lower roller crest, 23-first perfuming device, 24-first output roller, 201-second unwinding device, 202-second fold roller, 203-second perfuming device, 204-second output roller, 25-second output roller, 205-first predetermined shaping region, 206-second predetermined shaping region, 207-second parting plane, 207-255-second outer ring, 255-second outer ring, 27-inner ring, 27-outer ring, 27-inner ring, and inner ring shaping device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1 to 6, a core rod 1 manufactured by the laminated core rod manufacturing system of the present invention, as shown in fig. 1, includes a first core material 11, a second core material 101, and a plug wrap 12. The first imaginary separating plane 13 divides the laminated core rod 1 into two parts, a first cross section 14 and a second cross section 104, which are vertically symmetrical. The first core material 11 is filled to form a first section 14, and the first section 14 comprises a continuous first straight section 15 and a continuous first folded section 16, and is stacked in order from left to right. The second core material 101 is filled to form a second section 104, and the second section 104 includes a second continuous straight section 105 and a second continuous folded section 106, and is stacked in order from left to right.
The laminated core rod preparation system comprises a first unreeling device 21, a first folding roller 22, a first flavoring device 23, a first output roller 24, a second unreeling device 201, a second folding roller 202, a second flavoring device 203, a second output roller 204, a pre-shaping device 25, a cigarette tongue 26, a forming paper supply part 27, a cigarette gun 28 and a cutting piece 29. The coiled first core 11 is uncoiled by the first uncoiling device 21 and conveyed to the first folding roller 22, is folded by the first folding roller 22, is flavored by the first flavoring device 23, is conveyed by the first output roller 24, is shaped in the first pre-shaping area 205 of the pre-shaping device 25, and enters the cigarette tongue 26. The coiled second core material 101 is unreeled by the second unreeling device 201 and conveyed to the second folding roller 202, is folded by the second folding roller 202, is perfumed by the second perfuming device 203, is conveyed by the second output roller 204, is shaped in the second pre-shaping area 206 of the pre-shaping device 25, and enters the cigarette tongue 26. After being shaped in the pre-shaping device 25, the first core 11 and the second core 101 are gradually gathered in the cigarette tongue 26, further gathered after entering the cigarette gun 28, wrapped by the shaping paper 12 output from the shaping paper supply 27 to form a tobacco rod, and cut into laminated core rods with certain length by the cutting part 29.
The first bending roller mainly comprises an upper roller 220 and a lower roller 221, wherein the upper roller 220 comprises a plurality of sections of upper roller tooth groove areas 222 and a plurality of sections of upper roller smooth surface areas 223, and the intervals of the sections of upper roller tooth groove areas 222 and the sections of upper roller smooth surface areas 223 can be equal or different. The upper roll flute area 222 has a width matching the width of the first folded section 16. The upper roll smooth area 223 has a width that matches the width of the first flat section 15. The lower roll 221 includes a plurality of lower roll flute sections 224 and a plurality of lower roll polished sections 225, which may or may not be equally spaced. The lower roll flute area 224 width matches the first creased section 16 width. The lower roll smooth surface area 225 has a width matching the width of the first flat section 15. The widths of the upper roller 220 and the lower roller 221 are slightly larger than the widths of the first core material 11 and the second core material 101. The second folding roller pair 202 is in line with the first folding roller pair 22.
The first core material 11 is located between the upper roller 220 and the lower roller 221, an upper roller tooth crest 226 of the upper roller tooth space region 222 and a lower roller tooth bottom 228 of the lower roller tooth space region 224 are in mutual staggered fit, an upper roller tooth bottom 227 of the upper roller tooth space region 222 and a lower roller tooth crest 229 of the lower roller tooth space region 224 are in mutual staggered fit, and the first core material 11 is folded to form the first folded section 16. Upper roller smooth area 223 of upper roller gullet area 222 and lower roller smooth area 225 of lower roller gullet area 224 cooperate such that first core 11 is in a flattened state forming first straight section 15. The overlapping dimension of the upper roll tooth tops 226 and the lower roll tooth bottoms 228, and the upper roll tooth bottoms 227 and the lower roll tooth tops 229 in a staggered manner is related to the shape of the first core material 11, and the overlapping dimension is preferably 0.2 to 2mm. The shapes and the number of the top roller teeth 226 and the top roller teeth bottoms 227 depend on the properties of the first core material 11, and the number is preferably 2 to 100. The shapes and the number of the lower roll teeth bottoms 228 and the lower roll teeth crests 229 depend on the shape of the first core material 11, and the number is preferably 2 to 100. The second core material 101 is in a folded state in accordance with the first core material 11.
The pre-setting device mainly comprises a setting outer ring 250 and a setting inner core 251 which are coaxially arranged. The sizing collar 250 cooperates with the sizing core 251 to form a folding groove 252 and a flat groove 253. The shaping core includes a first shaping region 205 and a second shaping region 206, which are arranged vertically symmetrically with respect to the second virtual partition surface 207. The first core material 11 is pre-loaded into the first pre-setting region 205, and the folding groove 252 enables the first core material 11 after being folded by the first folding roller 22 to be continuously and orderly folded; similarly, the second core material 101 is pre-loaded into the second pre-forming area 206, so that the second core material 101 after being folded by the second folding roller 202 is continuously and orderly folded.
The shaping outer ring 250 and the shaping inner core 251 are integrally tapered, so that the first core material 11 and the second core material 101 smoothly penetrate into and are gradually drawn together. The inlet end face 254 is sized slightly larger than the outlet end face 255. The size of the inlet end face 254 matches the size of the first core 11 and the second core 101, so that the first core 11 and the second core 101 can smoothly enter. The size of the outlet end surface 255 is matched with the size of the inlet of the cigarette tongue 26, so that the core material can smoothly penetrate into the cigarette tongue and can be gradually folded.
The first core material 11 and the second core material 101 are respectively arranged in a first presetting area 205 and a second presetting area 206 of a presetting device, and the core materials are evenly distributed in the presetting areas from left to right. At this time, the straight section 15 of the first core 11 corresponds to the pre-shaping region straight groove 253, and the folded section 16 of the first core 11 corresponds to the pre-shaping region folded groove 252. Similarly, the straight section and the folded section of the second core material 101 correspond to the straight groove and the folded groove of the second pre-forming region 206, respectively.
The first core material and the second core material are integrally fixed through the first presetting area and the second presetting area, and then are folded through the cigarette tongues and wrapped by the forming paper to form a laminated core rod which is symmetrical left and right, symmetrical up and down and provided with continuous folding areas and straight areas. By switching different core materials, different processing types are provided for cigarettes, the production line is unified, and the manufacturing universality of the core rod is improved.
The first embodiment is as follows:
the core material is a tobacco sheet, and the laminated cigarette core rod for heating cigarettes is prepared.
Example two:
the core material is made of paper material, and the laminated filter stick for the conventional cigarette is prepared.
Example three:
the core material is an acetate fiber film, and the cooling rod for heating cigarettes is prepared.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. A preparation system of a laminated core rod is characterized by comprising a first core material unreeling, folding and perfuming assembly, a second core material unreeling, folding and perfuming assembly, a presetting device, a cigarette tongue, a forming paper supply part, a cigarette gun and a cutting piece, wherein the core rod is formed by integrally fixing a first core material and a second core material into a left-right symmetrical and up-down symmetrical stacking state through the presetting device after the first core material and the second core material unreeling, folding and perfuming assembly are intermittently folded, then drawing through the cigarette tongue and wrapping the forming paper, and the core material in the laminated core rod comprises a continuous folding section and a flat section.
2. The laminated mandrel manufacturing system of claim 1, wherein the core material is a fibrous material.
3. The system for preparing a laminated mandrel as claimed in claim 2, wherein the core material is a tobacco sheet or a paper material or an acetate material.
4. The laminated mandrel manufacturing system of claim 1, wherein the first core unwinding, folding and perfuming assembly comprises a first core, a first unwinding device, a first folding roller, a first perfuming device and a first output roller; the second core material unreeling, folding and perfuming assembly comprises a second core material, a second unreeling device, a second folding pair roller, a second perfuming device and a second output roller, and the first core material unreeling, folding and perfuming assembly and the second core material unreeling, folding and perfuming assembly are arranged up and down.
5. The system for preparing a laminated core rod as claimed in claim 4, wherein the first and second crimping rollers each comprise an upper roller and a lower roller, the upper roller comprising a plurality of sections of upper roller tooth space and a plurality of sections of upper roller smooth surface, the spacing of which may be equal or different; the width of the tooth space area of the upper roller is matched with the width of the folded section of the core material; the width of the smooth surface area of the upper roller is matched with the width of the straight section of the core material; the lower roll comprises a plurality of sections of lower roll tooth groove areas and a plurality of sections of lower roll polished surface areas, and the intervals of the sections of lower roll tooth groove areas and the intervals of the sections of lower roll polished surface areas can be equal or unequal; the width of the tooth space area of the lower roller is matched with the width of the core material pressing and folding section; the width of the smooth surface area of the lower roller is matched with the width of the straight section of the core material; the width of the upper roller and the width of the lower roller are larger than that of the core material.
6. The system for manufacturing a laminated core rod according to claim 5, wherein the top roll teeth of the upper roll teeth land and the bottom roll teeth of the lower roll teeth land are interfitted with each other, and the top roll teeth of the upper roll teeth land and the bottom roll teeth of the lower roll teeth land are interfitted with each other; the upper roll polished surface area of the upper roll tooth space area is matched with the lower roll polished surface area of the lower roll tooth space area, the tooth bottoms of the upper roll teeth and the lower roll teeth, the depth of the staggered and overlapped part of the tooth bottoms of the upper roll teeth and the tooth tops of the lower roll teeth is 0.2mm to 2mm, the number of the tooth tops of the upper roll teeth and the tooth bottoms of the upper roll teeth is 2 to 100, and the number of the tooth bottoms of the lower roll teeth and the tooth tops of the lower roll teeth is 2 to 100.
7. The laminated mandrel preparation system of claim 1, wherein the pre-shaping device is generally conical, wherein the size of the inlet end surface is larger than that of the outlet end surface, and the size of the outlet end surface is matched with that of the entrance of the cigarette tongue, so that the core material can smoothly penetrate into the core material and gradually gather.
8. The system for preparing a laminated mandrel as claimed in claim 7, wherein the pre-shaping device comprises a shaping outer ring and a shaping inner core, which are coaxial, and the shaping outer ring and the shaping inner core cooperate to form continuous folding grooves and continuous straight grooves; the shaping inner core comprises a first pre-shaping area and a second pre-shaping area, the first pre-shaping area and the second pre-shaping area are arranged in a vertical symmetry mode by taking a second virtual partition surface as a symmetry plane, and the shaping inner core is in a bilateral symmetry structure.
9. The system for preparing a laminated mandrel according to claim 7, wherein the first core material and the second core material are respectively arranged in a first presetting area and a second presetting area of the presetting device, the first core material and the second core material are uniformly distributed in the presetting area from left to right, the straight section of the core material corresponds to the straight groove of the presetting area, the folded section of the core material corresponds to the folded groove of the presetting area, and the first core material and the second core material are respectively folded by the first presetting area and the second presetting area and wrapped by the forming paper to form the laminated mandrel which is symmetrical from left to right and symmetrical from top to bottom and has continuous folded sections and straight sections.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211320798.9A CN115486558A (en) | 2022-10-26 | 2022-10-26 | Preparation system of laminated core rod |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211320798.9A CN115486558A (en) | 2022-10-26 | 2022-10-26 | Preparation system of laminated core rod |
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| CN115486558A true CN115486558A (en) | 2022-12-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107927903A (en) * | 2017-12-13 | 2018-04-20 | 红塔烟草(集团)有限责任公司 | A kind of uniform gathering mechanism of membranoid substance |
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2022
- 2022-10-26 CN CN202211320798.9A patent/CN115486558A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107927903A (en) * | 2017-12-13 | 2018-04-20 | 红塔烟草(集团)有限责任公司 | A kind of uniform gathering mechanism of membranoid substance |
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