CN111977174B - Easily-torn cover tape and preparation method thereof - Google Patents
Easily-torn cover tape and preparation method thereof Download PDFInfo
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- CN111977174B CN111977174B CN202010973664.1A CN202010973664A CN111977174B CN 111977174 B CN111977174 B CN 111977174B CN 202010973664 A CN202010973664 A CN 202010973664A CN 111977174 B CN111977174 B CN 111977174B
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- Prior art keywords
- layer
- cover tape
- heat
- wax
- base material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D73/00—Packages comprising articles attached to cards, sheets or webs
- B65D73/02—Articles, e.g. small electrical components, attached to webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/10—Container closures formed after filling
- B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
- B65D2585/68—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form
- B65D2585/86—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form for electrical components
Abstract
The invention discloses an easily-torn cover tape, which comprises a wax layer, an antistatic layer, a base material layer and a heat sealing layer which are sequentially arranged from top to bottom, wherein the number of the heat sealing layer is 2, the heat sealing layer is symmetrically arranged on two sides of the bottom of the base material layer, a plurality of pressing blocks are arranged at the top of the wax layer, the pressing blocks are arranged in a protruding mode, the strength of the pressing blocks is greater than the maximum strength of the wax layer, the antistatic layer and the base material layer, 2 extrusion blocks are oppositely arranged on the heat sealing layer respectively, the extrusion blocks are arranged in an inclined mode, and the upper ends of the extrusion blocks are closer to the central line of the base material layer. When tearing out cover tape, can press earlier according to the briquetting, make and press the region and can sink, atmospheric pressure between cover tape and the carrier band this moment can increase, can promote the extrusion piece, give the ascending power of slant of extrusion piece in other words, and this power is at the inward flange on heat-seal layer, makes the power of being connected between heat-seal layer and the carrier band weak, and the pull force of cooperation outside can tear cover tape fast. The invention also discloses a preparation method of the cover tape.
Description
Technical Field
The invention relates to the technical field of electronic packaging, in particular to an easily-torn cover tape and a preparation method thereof.
Background
To protect electronic components from contamination and damage during shipping, they are typically loaded into pockets of a carrier tape and sealed to the surface of the carrier tape with cover tape to form a closed package.
Cover tapes are classified into heat-sealable cover tapes and pressure-sensitive cover tapes, of which the use of heat-sealable cover tapes is more widespread. The heat-seal cover tape is mainly a heat-seal layer arranged at two edges of the cover tape, and the heat-seal layer is melted, so that the heat-seal cover tape can be covered and adhered on the carrier tape, and the electronic element is packaged. The electronic components can be quickly removed by tearing off the cover tape.
The existing cover tape is not easy to tear, and when the strength of the cover tape is not enough, the tearing part is easy to damage, so that the cover tape is not easy to tear.
Disclosure of Invention
It is an object of the present invention to provide an easy-to-tear cover tape that improves the ease of tearing.
The utility model provides an easy lid area that tears, includes from last wax layer, antistatic layer, substrate layer and the heat-seal layer that sets gradually extremely down, the heat-seal layer is 2, the symmetry set up with the bottom both sides of substrate layer, the top on wax layer is equipped with a plurality of pressing blocks, pressing blocks is the protrusion setting, the intensity according to the pressing blocks is greater than the maximum strength of wax layer, antistatic layer and substrate layer, 2 the heat-seal layer is equipped with extrusion piece in opposite directions respectively, extrusion piece is the slant setting, and its upper end is more close to the central line of substrate layer.
The invention has the beneficial effects that: because the lid area sets up on the carrier band surface for covering, when tearing off the lid area, can press earlier according to the briquetting, because lid area self has certain pliability, make and press the region and can sink, the atmospheric pressure of lid area and between the carrier band can increase this moment, can promote the extrusion piece, and because the extrusion piece sets up for the slant, when atmospheric pressure promotes the extrusion piece, give the ascending power of slant of extrusion piece in other words, and this power is at the inward flange on heat-seal layer, make the power of connecting between heat-seal layer and the carrier band weak, cooperate outside pulling force, can tear the lid area fast.
In addition, the easy-to-tear cover tape provided by the invention can also have the following additional technical characteristics:
furthermore, a protective film is arranged between 2 heat sealing layers, and the protective film is bonded with the base material layer.
Furthermore, the contact surface of the extrusion block and the heat sealing layer is an inclined surface, and the lowest end of the extrusion block is a tip structure facing the heat sealing layer.
Further, the wax blanket surface still is equipped with and leaks the briquetting, the lower part of leaking the briquetting is equipped with the fore-set, the fore-set runs through simultaneously wax blanket, antistatic layer with the substrate layer, and with the protection film contact.
Further, it is located to let out the briquetting the part more than the wax blanket surface is equipped with first disappointing mouth, the lower part of fore-set is equipped with the second and loses heart the mouth, first lose heart mouthful with communicate between the second loses heart.
Further, the first air leakage opening is formed in the side face of the pressure relief block.
Further, the second air leakage opening is formed in the side face of the top column.
Furthermore, the top pillar is of a conical structure with the drift diameter gradually reduced from top to bottom.
Further, the tail end of the top column is of a straight angle structure.
Another object of the present invention is to provide a method for preparing the cover tape, which comprises the following steps:
(1) sequentially coating the antistatic layer and the wax layer on the upper surface of the base material layer;
(2) coating the heat sealing layer on the edges of two sides of the bottom of the base material layer respectively;
(3) and the surface of the wax layer is hot and is pressed into the pressing block, and the pressing block is dried to obtain the cover tape.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of a construction of a tear-off cover tape according to a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of the peel-off cover tape of FIG. 1;
in the figure: 1-wax layer, 2-antistatic layer, 3-base material layer, 4-heat sealing layer, 5-pressing block, 6-extruding block, 7-protective film, 8-pressure releasing block, 81-first pressure releasing port, 82-second pressure releasing port, and 83-top column.
Detailed Description
In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are for illustrative purposes only and do not indicate or imply that the referenced device or element must be in a particular orientation, constructed or operated in a particular manner, and is not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a first embodiment of the present invention provides an easy-to-tear cover tape, including a wax layer 1, an antistatic layer 2, a substrate layer 3, and a heat-sealing layer 4, which are sequentially disposed from top to bottom, where the heat-sealing layer 4 is 2, the heat-sealing layer is symmetrically disposed on two sides of the bottom of the substrate layer 3, the top of the wax layer 1 is provided with a plurality of pressing blocks 5, the pressing blocks 5 are disposed in a protruding manner, the strength of the pressing blocks 5 is greater than the maximum strength of the wax layer 1, the antistatic layer 2, and the substrate layer 3, the heat-sealing layer 4 is respectively provided with extruding blocks 6 in opposite directions, the extruding blocks 6 are disposed in an oblique manner, and the upper ends of the extruding blocks are closer to the central line of the substrate layer 3.
It should be noted that, because the cover tape is set on the surface of the carrier tape for covering, when the cover tape is torn off, the pressing block 5 can be pressed first, because the cover tape has a certain flexibility, the pressing area can sink, at this moment, the air pressure between the cover tape and the carrier tape can increase, and the pressing block 6 can be pushed, and because the pressing block 6 is set obliquely, when the pressing block 6 is pushed by the air pressure, an oblique upward extrusion force is given to the pressing block 6, and this force is at the inner edge of the heat-seal layer 4, the extrusion force is decomposed to obtain the thrust in the horizontal direction and the thrust in the vertical direction, the thrust in the vertical direction can push the cover tape to make it generate the tendency of moving upward, and the thrust in the horizontal direction can push the separation between the heat-seal layer 4 and the carrier tape.
It should be noted that, because the extrusion block 6 is the slant setting, when heat-seal layer 4 melts, there will be some heat-seal layer 4 to get into between extrusion block 6 and the substrate layer 3, when extrusion block 6 received oblique ascending extrusion force, can directly drive heat-seal layer 4 and peel off the carrier band, realize tearing the cover tape fast.
In this embodiment, the contact surface between the extrusion block 5 and the heat seal layer 4 is an inclined surface, and the lowermost end of the extrusion block 6 is a tip structure facing the heat seal layer 4, so that when the extrusion block 6 is extruded, a force similar to a cutter is generated, and a cut is made between the heat seal layer 4 and the carrier tape.
It will be appreciated that the main function of the pressing blocks 5 and the squeezing blocks 6 is to weaken the bonding force between the heat-seal layer 4 and the carrier tape, and to enable the cover tape to be torn quickly by external pulling force.
In addition, a protective film 7 is arranged between 2 heat sealing layers 4, the protective film 7 is bonded with the base material layer 3, the protective film 7 can prevent an electronic element from contacting with the base material layer 3, and the damage probability of the electronic element is reduced.
In addition, referring to fig. 2, the surface of the wax layer 1 is further provided with a pressure release block 8, the lower part of the pressure release block 8 is provided with a top column 83, and the top column 83 penetrates through the wax layer 1, the antistatic layer 2 and the base material layer 3 at the same time and contacts with the protective film 7.
It should be noted that, in some cases, because the heat seal layer 4 is melted first, then the encapsulation is accomplished the back, and the air between cover tape 1 and the carrier band is hot air in fact, and after the cooling, can form the negative pressure between cover tape 1 and the carrier band, and cover tape itself is promptly for taking place the indent state after the deformation, and difficult pressing the pressing block 5 of pressing this moment, accessible pressure release piece 8 carries out the pressure release earlier.
It can be understood that, because the protection film 7 is bonded with the substrate layer 3, when the pressure relief block 8 is pressed, the ejection column 83 extrudes the protection film 7, in one case, the ejection column 83 punctures the protection film 7, in the other case, the ejection column 83 pushes the protection film 7 open, so that a gap appears between the protection film 7 and the substrate layer 3, at the moment, the ejection column 83 has generated a certain displacement, the airflow can enter the space between the cover tape and the carrier tape along the ejection column 83, the air pressure is increased, the cover tape is no longer in an inwards concave state, and the pressure relief block 5 is convenient to press.
It should be noted that the pressure relief is a continuous process, and the pressure relief block 8 needs to be pressed for a period of time to complete the pressure relief, and after the pressure relief is completed, the pressure relief block 5 is pressed instantly, so that the pressure relief can not be performed immediately.
In addition, the part that the pressing block 5 is located above the outer surface of the wax layer 1 is provided with a first air leakage port 81, the lower part of the ejection column 83 is provided with a second air leakage port 82, the first air leakage port 81 is communicated with the second air leakage port 82, and when any looseness exists at the lower end of the ejection column 83, the pressure relief can be carried out.
In order to prevent the first air release opening 82 from being blocked by a finger, the first air release opening 81 is provided at the side of the pressure release block 8, and at the same time, the second air release opening 82 is provided at the side of the top pillar 83.
In addition, the top pillar 83 is a tapered structure with a gradually reduced drift diameter from top to bottom, and the tail end of the top pillar is of a straight angle structure, so that the protective film 7 is convenient to push, and the protective film 7 can be directly damaged.
A second embodiment of the present invention provides a method of making a cover tape as described above, comprising the steps of:
(1) sequentially coating the antistatic layer and the wax layer on the upper surface of the base material layer;
(2) coating the heat sealing layer on the edges of two sides of the bottom of the base material layer respectively;
(3) and the surface of the wax layer is hot and is pressed into the pressing block, and the pressing block is dried to obtain the cover tape.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides an easy lid area that tears, includes from last wax layer, antistatic layer, substrate layer and the heat-seal layer that sets gradually extremely down, the heat-seal layer is 2, the symmetry set up with the bottom both sides of substrate layer, its characterized in that, the top on wax layer is equipped with a plurality of pressing blocks, pressing blocks is the protrusion setting, the intensity of pressing blocks is greater than the maximum strength of wax layer, antistatic layer and substrate layer, 2 the heat-seal layer is equipped with extrusion piece in opposite directions respectively, extrusion piece is the slant setting, and its upper end is more close to the central line of substrate layer.
2. The easy-to-tear cover tape according to claim 1, wherein a protective film is disposed between 2 of the heat seal layers, and the protective film is bonded to the base material layer.
3. The peel cover tape of claim 1, wherein the contact surface of the extrusions and the heat seal layer is beveled, and the lowermost ends of the extrusions are pointed structures facing the heat seal layer.
4. The cover tape of easily tearing according to claim 2, wherein the wax layer surface still is equipped with the pressure release piece, the lower part of pressure release piece is equipped with the fore-set, the fore-set runs through the wax layer, antistatic layer and the substrate layer simultaneously, and with the protection film contact.
5. The easy-to-tear cover tape according to claim 4, wherein a first air-release opening is formed in a portion of the pressure-release block located above the outer surface of the wax layer, a second air-release opening is formed in a lower portion of the top pillar, and the first air-release opening is communicated with the second air-release opening.
6. The tear cover tape of claim 5, wherein the first relief vent is disposed on a side of the relief block.
7. The tear cover tape of claim 5, wherein the second air relief is disposed on a side of the top post.
8. The tear cover tape of claim 4, wherein the posts are tapered structures with decreasing diameters from top to bottom.
9. The tear cover tape of claim 4, wherein the top posts terminate in a straight angle configuration.
10. The method of making a tear-off cover tape of claim 4, comprising the steps of:
sequentially coating the antistatic layer and the wax layer on the upper surface of the base material layer;
coating the heat sealing layer on the edges of two sides of the bottom of the base material layer respectively;
and the surface of the wax layer is hot and is pressed into the pressing block, and the pressing block is dried to obtain the cover tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010973664.1A CN111977174B (en) | 2020-09-16 | 2020-09-16 | Easily-torn cover tape and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010973664.1A CN111977174B (en) | 2020-09-16 | 2020-09-16 | Easily-torn cover tape and preparation method thereof |
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| Publication Number | Publication Date |
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| CN111977174A CN111977174A (en) | 2020-11-24 |
| CN111977174B true CN111977174B (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010973664.1A Active CN111977174B (en) | 2020-09-16 | 2020-09-16 | Easily-torn cover tape and preparation method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007035375A1 (en) * | 2005-09-16 | 2007-03-29 | 3M Innovative Properties Company | Cover tape and method for manufacture |
| CN101321426A (en) * | 2007-06-06 | 2008-12-10 | 3M创新有限公司 | Electrostatic resistant film and product including the same |
| JP2010500261A (en) * | 2006-08-09 | 2010-01-07 | スリーエム イノベイティブ プロパティズ カンパニー | Carrier tape having tear-initiating cover tape and method for producing the same |
| CN103204309A (en) * | 2013-03-26 | 2013-07-17 | 上海吉景包装制品有限公司 | Tearable cover tape |
| CN108584148A (en) * | 2018-06-15 | 2018-09-28 | 广州市中载电子科技有限公司 | A kind of cover strip structure |
| CN110683208A (en) * | 2018-07-06 | 2020-01-14 | 3M创新有限公司 | Multi-layer cover tape construction |
| CN211443426U (en) * | 2019-11-21 | 2020-09-08 | 浙江恒乐包装材料有限公司 | PE film with easily-uncovered heat-sealing layer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070062844A1 (en) * | 2005-09-16 | 2007-03-22 | Velasquez Urey Ruben E | Cover tape and method for manufacture |
-
2020
- 2020-09-16 CN CN202010973664.1A patent/CN111977174B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007035375A1 (en) * | 2005-09-16 | 2007-03-29 | 3M Innovative Properties Company | Cover tape and method for manufacture |
| JP2010500261A (en) * | 2006-08-09 | 2010-01-07 | スリーエム イノベイティブ プロパティズ カンパニー | Carrier tape having tear-initiating cover tape and method for producing the same |
| CN101321426A (en) * | 2007-06-06 | 2008-12-10 | 3M创新有限公司 | Electrostatic resistant film and product including the same |
| CN103204309A (en) * | 2013-03-26 | 2013-07-17 | 上海吉景包装制品有限公司 | Tearable cover tape |
| CN108584148A (en) * | 2018-06-15 | 2018-09-28 | 广州市中载电子科技有限公司 | A kind of cover strip structure |
| CN110683208A (en) * | 2018-07-06 | 2020-01-14 | 3M创新有限公司 | Multi-layer cover tape construction |
| CN211443426U (en) * | 2019-11-21 | 2020-09-08 | 浙江恒乐包装材料有限公司 | PE film with easily-uncovered heat-sealing layer |
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| Publication number | Publication date |
|---|---|
| CN111977174A (en) | 2020-11-24 |
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Denomination of invention: The invention relates to an easy to tear cover tape and a preparation method thereof Effective date of registration: 20220428 Granted publication date: 20211221 Pledgee: Guixi sub branch of Postal Savings Bank of China Pledgor: JIANGXI RUOBANG TECHNOLOGY CO.,LTD. Registration number: Y2022980004947 |
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Date of cancellation: 20230726 Granted publication date: 20211221 Pledgee: Guixi sub branch of Postal Savings Bank of China Pledgor: JIANGXI RUOBANG TECHNOLOGY CO.,LTD. Registration number: Y2022980004947 |
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