WO2020215673A1 - 具有不同组装关系的纸杯盖及其制备方法 - Google Patents

具有不同组装关系的纸杯盖及其制备方法 Download PDF

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Publication number
WO2020215673A1
WO2020215673A1 PCT/CN2019/117366 CN2019117366W WO2020215673A1 WO 2020215673 A1 WO2020215673 A1 WO 2020215673A1 CN 2019117366 W CN2019117366 W CN 2019117366W WO 2020215673 A1 WO2020215673 A1 WO 2020215673A1
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paper
arc
shaped roll
paper cup
connecting surface
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PCT/CN2019/117366
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English (en)
French (fr)
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刘文钦
洪涛
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刘文钦
洪涛
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Publication of WO2020215673A1 publication Critical patent/WO2020215673A1/zh

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00—Table service
    • A47G19/22—Drinking vessels or saucers used for table service
    • A47G19/2205—Drinking glasses or vessels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B31B50/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure, e.g. by welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B50/814—Applying closure elements to blanks, webs or boxes

Definitions

  • the invention relates to the technical field of cup lids, in particular to paper cup lids with different assembly relationships and a preparation method thereof.
  • the first one is the inner clip type, which is to embed most of the paper cup lid inside the cup, and then use the outer surface of the paper cup lid to clamp the cup mouth of the cup; the second is the outer clip The method is to put the paper cup lid on the outside of the cup, and then use the inner surface of the paper cup lid to clamp the mouth of the cup.
  • the purpose of the present invention is to propose paper cup lids with different assembly relationships and preparation methods thereof. Different assembly relationships or assembly methods can be internally clamped, externally clamped, and internally externally clamped. Paper cup lid.
  • Paper cup lids with different assembling relationships include a paper cup lid body and a paper cone cup ring.
  • the round edge at the top of the paper cup lid body is rolled up from bottom to top to form a first arc-shaped roll; the paper The circular edge at the top of the cone cup ring is rolled up from top to bottom inward to form a second arc-shaped roll.
  • the paper cup cover body and the paper cone cup ring can be assembled in two ways. One:
  • the first type the paper cup cover body is embedded in the paper cone cup ring, and the bottom end of the first arc-shaped roll and the top end of the second arc-shaped roll are clamped and fixed by pressing;
  • the second type the paper cup cover body is located outside the paper cone cup ring, and the bottom end of the first arc-shaped roll and the bottom end of the second arc-shaped roll are clamped and fixed by pressing.
  • the bottom end of the first arc-shaped roll is flattened to form a flat annular first connecting surface; the top end of the second arc-shaped roll is flattened to form a flat annular second connecting surface , The first connecting surface and the second connecting surface are clamped and pressed and fixed;
  • the bottom end of the first arc-shaped roll is flattened to form a flat annular first connecting surface; the bottom end of the second arc-shaped roll is flattened to form a flat annular third connecting surface, so The first connecting surface and the third connecting surface are clamped and pressed and fixed.
  • the paper cup cover body includes a paper cover plate and a hollow cone-shaped paper cover body, and the circular edge of the cone-shaped paper cover body at the top end is rolled up in an arc from top to bottom to form the first
  • the arc-shaped roll, the circular edge at the bottom end of the tapered paper cover is rolled from bottom to top to form a third arc-shaped roll, and the flat edge of the paper cover is crimped with the third arc ⁇ fixed.
  • the top end of the third arc-shaped roll is flattened to form a flat ring-shaped fourth connecting surface, and the flat edge of the paper cover plate is pressed and fixed with the fourth connecting surface.
  • the circular edge at the bottom end of the paper cone cup ring is arc-shaped from bottom to top to form a fourth arc-shaped roll.
  • a method for preparing paper cup lids with different assembling relationships according to the above solution includes the following steps:
  • the first method insert the paper cup cover body into the paper cone cup ring, and then clamp the bottom end of the first arc-shaped roll and the top end of the second arc-shaped roll and press to fix them;
  • the second type the paper cup cover body is located outside the paper cone cup ring, and then the bottom end of the first arc-shaped roll and the bottom end of the second arc-shaped roll are clamped and pressed and fixed.
  • first type flatten the bottom end of the first arc-shaped roll with a mold to form a first connecting surface of a flat ring shape; flatten the top end of the second arc-shaped roll to form a second flat ring shape The connecting surface; then the first connecting surface and the second connecting surface are clamped and pressed and fixed;
  • the first type of paper cup cover can form an inside and outside card paper cup cover. Since the paper cup cover body is embedded in the paper cone cup ring, the gap between the paper cup cover body and the paper cone cup ring is used to clamp the mouth of the cup. Thereby forming an inner and outer card paper cup cover; the second type of paper cup cover can form an inner card paper cup cover and an outer card paper cup cover.
  • the outer card paper cup cover uses the inner surface of the paper cone cup ring at the top of the first curved roll The cup opening of the cup is clamped; the inner card type paper cup cover uses the outer surface of the paper cup cover body to clamp the cup opening of the cup at the top end of the second curved roll.
  • Fig. 1 is a schematic cross-sectional structure diagram of the paper cup lid in the first assembly relationship after disassembly.
  • FIG. 2 is a schematic cross-sectional view of the combined paper cup lid in the first assembly relationship.
  • FIG. 3 is a schematic cross-sectional view of the paper cup lid in the second assembly relationship after disassembly.
  • FIG. 4 is a schematic cross-sectional view of the combined paper cup lid in the second assembly relationship.
  • Fig. 5 is a structural schematic diagram of the paper cup cover in the first assembly relationship as the inner and outer card paper cup cover.
  • Fig. 6 is a schematic diagram showing the structure of the paper cup cover in the second assembly relationship as the outer card paper cup cover.
  • FIG. 7 is a schematic diagram of the structure of the paper cup cover in the second assembly relationship as the inner card paper cup cover.
  • the paper cup lids with different assembly relationships of the present invention include a paper cup lid body 1 and a paper cone cup ring 2.
  • the circular edge of the paper cup lid body 1 at the top end 1 goes from bottom to top Rolled outwards to form a first arc-shaped roll 3;
  • the circular edge at the top of the paper cone cup ring 2 is arc-shaped from top to bottom to form a second arc-shaped roll 4, the paper cup cover body 1 and the paper
  • the first type the paper cup cover body 1 is embedded in the paper cone cup ring 2, and the bottom end 31 of the first arc-shaped roll 3 and the top end 41 of the second arc-shaped roll 4 are clamped and fixed by pressing;
  • the second type the paper cup cover body 1 is located outside the paper cone cup ring 2, and the bottom end 31 of the first arc-shaped roll 3 and the bottom end 42 of the second arc-shaped roll 4 are clamped and fixed by pressing.
  • the first type of paper cup cover can form an inner and outer card paper cup cover. Since the paper cup cover body is embedded in the paper cone cup ring, the gap between the paper cup cover body and the paper cone cup ring is used to clamp the mouth of the cup 80 , Thereby forming an inner and outer card paper cup cover; the second type of paper cup cover can form an inner card paper cup cover and an outer card paper cup cover.
  • the outer card paper cup cover uses the inner surface of the paper cone cup ring at the top of the first curved roll
  • the opening of the cup 80 is clamped at the position;
  • the inner card-type paper cup cover uses the outer surface of the paper cup cover body to clamp the opening of the cup 80 at the top of the second curved roll.
  • the bottom end 31 of the first arc-shaped roll 3 is flattened to form a flat ring-shaped first connecting surface;
  • the top end 41 of the second arc-shaped roll 4 is flattened to form a flat ring-shaped ⁇ second connecting surface, the first connecting surface and the second connecting surface are clamped and pressed and fixed;
  • the bottom end 31 of the first arc-shaped roll 3 is flattened to form a flat annular first connecting surface; the bottom end 42 of the second arc-shaped coil 4 is flattened to form a flat annular third connecting surface, the first The one connecting surface and the third connecting surface are clamped and pressed and fixed.
  • a flat ring-shaped first connecting surface, second connecting surface or third connecting surface is formed by flattening, and the surface is clamped and fixed by pressing. Compared with the pressing of points, it can achieve better The effect of tightness and firmness.
  • the flattening can be flattened with a mold, and the pressing can be, for example, physical compression such as ultrasonic compression or thermal compression.
  • the paper cup cover body can be integrally formed. It can also be formed in a preferred embodiment as follows: the paper cup cover body 1 includes a paper cover plate 11 and a hollow cone-shaped paper cover body 12, and the rounded edge of the cone-shaped paper cover body 12 at the top is directed from top to bottom. The inner arc is rolled up to form a first arc-shaped roll 3, and the circular edge at the bottom end of the tapered paper cover 12 is rolled from bottom to top to form a third arc-shaped roll 5. The flat edge of the paper cover 11 is The third curved roll 5 is pressed and fixed.
  • the top end 51 of the third arc-shaped roll 5 is flattened to form a flat ring-shaped fourth connecting surface, and the flat edge of the paper cover plate 11 is pressed and fixed to the fourth connecting surface.
  • the pressing of the surface and the surface can better achieve the effect of sealing and firmness.
  • the circular edge at the bottom end of the paper cone cup ring 2 is arc-rolled from bottom to top to form a fourth arc-shaped roll 6, forming a high-quality paper cup cover.
  • the fourth curved roll can reduce the thickness of a single layer of paper material for crimping, and can increase the strength by more than one time.
  • a method for preparing paper cup lids with different assembly relationships includes the following steps:
  • the first type insert the paper cup cover body into the paper cone cup ring, and then clamp the bottom end of the first arc-shaped roll and the top end of the second arc-shaped roll and press to fix it;
  • the second type the paper cup cover body is located outside the paper cone cup ring, and then the bottom end of the first arc-shaped roll and the bottom end of the second arc-shaped roll are clamped and pressed and fixed.
  • first connecting surface flatten the bottom end of the first arc-shaped roll with a mold to form a first connecting surface that is flat and annular
  • first connecting surface flatten the top end of the second arc-shaped roll to form a flat surface
  • An annular second connecting surface then the first connecting surface and the second connecting surface are clamped and pressed and fixed
  • the S1 step can be crimped with a mold; the flattening in the S2 step can be flattened with a mold, and the pressing can be, for example, physical pressing such as ultrasonic pressing or hot pressing.
  • the first type of paper cup cover can form an inside and outside card paper cup cover. Since the paper cup cover body is embedded in the paper cone cup ring, the gap between the paper cup cover body and the paper cone cup ring is used to clamp the mouth of the cup. Thereby forming an inner and outer card paper cup cover; the second type of paper cup cover can form an inner card paper cup cover and an outer card paper cup cover.
  • the outer card paper cup cover uses the inner surface of the paper cone cup ring at the top of the first curved roll The cup opening of the cup is clamped; the inner card type paper cup cover uses the outer surface of the paper cup cover body to clamp the cup opening of the cup at the top end of the second curved roll.
  • the paper cup lid of the present invention has two assembling methods to form two paper cup lids, and the two paper cup lids have three usages, including an inner card type, an outer card type and an inner card type.
  • top and bottom ends of the first arc-shaped roll of the paper cup cover body in Figures 3-4 and 6 are still the same as those of the first arc-shaped roll described in Figure 1
  • the top end and the bottom end correspond to each other.
  • the top and bottom ends of the second arc-shaped roll of the paper cone cup ring in FIG. 7 are still consistent with the top and bottom ends of the second arc-shaped roll described in FIG. 1. This should not affect the protection scope of the present invention.
  • the above-mentioned cone shape in the paper cone cup ring is not limited to a strict cone shape in the mathematical sense, and is included but not limited to this, and it also includes paper cones that generally present a cone.
  • the cup ring for example, is provided with a groove for buckling the mouth of the cup on the inner surface or the outer surface of the paper cone cup.

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  • Details Of Rigid Or Semi-Rigid Containers (AREA)
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Abstract

一种具有不同组装关系的纸杯盖及其制备方法，纸杯盖包括纸杯盖本体（1）和纸质锥体杯环（2），纸杯盖本体（1）的位于顶端的圆形边缘从下往上向外卷起形成第一弧形卷（3）；纸质锥体杯环（2）的位于顶端的圆形边缘从上往下向内弧形卷起形成第二弧形卷（4），纸杯盖本体（1）和纸质锥体杯环（2）的组装关系有两种，任选其一：第一种：纸杯盖本体（1）嵌入纸质锥体杯环（2）内部，第一弧形卷（3）的底端（31）和第二弧形卷（4）的顶端（41）卡接并压合固定；第二种：纸杯盖本体（1）位于纸质锥体杯环（2）外部，第一弧形卷（3）的底端（31）和第二弧形卷（4）的底端（42）卡接并压合固定。制备方法则是相应的进行卷起、压平、压合固定的两种组装方法。两种组装关系形成两种纸杯盖，两种纸杯盖具有内卡式、外卡式和内外卡式三种用法。

Description

具有不同组装关系的纸杯盖及其制备方法 技术领域
本发明涉及杯盖技术领域，具体涉及具有不同组装关系的纸杯盖及其制备方法。
背景技术
目前的纸杯盖盖住杯子主要有两种，第一种是内卡式，就是将纸杯盖大部分嵌入杯子内部，然后利用纸杯盖的外表面卡住杯子的杯口；第二种是外卡式，就是将纸杯盖套接住杯子外部，然后利用纸杯盖的内表面卡住杯子的杯口。
不管是内卡式的纸杯盖还是外卡式的纸杯盖，它们都是分别生产或者加工，从而分别使用。
发明内容
有鉴于此，为解决上述技术问题，本发明的目的在于提出具有不同组装关系的纸杯盖及其制备方法，不同的组装关系或组装方法就可以有内卡式、外卡式和内外卡式的纸杯盖。
所采用的技术方案为：
具有不同组装关系的纸杯盖，包括纸杯盖本体和纸质锥体杯环，所述纸杯盖本体的位于顶端的圆形边缘从下往上向外卷起形成第一弧形卷；所述纸质锥体杯环的位于顶端的圆形边缘从上往下向内弧形卷起形成第二弧形卷，所述纸杯盖本体和纸质锥体杯环的组装关系有两种，任选其一：
第一种：所述纸杯盖本体嵌入所述纸质锥体杯环内部，所述第一弧形卷的底端和所述第二弧形卷的顶端卡接并压合固定；
第二种：所述纸杯盖本体位于所述纸质锥体杯环外部，所述第一弧形卷的底端和所述第二弧形卷的底端卡接并压合固定。
进一步地，对于第一种：所述第一弧形卷的底端压平形成平面环状的第一 连接面；所述第二弧形卷的顶端压平形成平面环状的第二连接面，所述第一连接面和所述第二连接面卡接并压合固定；
对于第二种：所述第一弧形卷的底端压平形成平面环状的第一连接面；所述第二弧形卷的底端压平形成平面环状的第三连接面，所述第一连接面和所述第三连接面卡接并压合固定。
进一步地，所述纸杯盖本体包括纸盖板和中空的锥体纸盖体，所述锥形纸盖体的位于顶端的圆形边缘从上往下向内弧形卷起形成所述第一弧形卷，所述锥形纸盖体的位于底端的圆形边缘从下往上向外卷起形成第三弧形卷，所述纸盖板的平面边缘与所述第三弧形卷压合固定。
进一步地，所述第三弧形卷的顶端压平形成平面环状的第四连接面，所述纸盖板的平面边缘与所述第四连接面压合固定。
进一步地，所述纸质锥体杯环的位于底端的圆形边缘从下往上向外弧形卷起形成第四弧形卷。
一种上述方案的具有不同组装关系的纸杯盖的制备方法，包括如下步骤：
S1.将纸杯盖本体的位于顶端的圆形边缘从下往上向外卷起形成第一弧形卷；将纸质锥体杯环的位于顶端的圆形边缘从上往下向内弧形卷起形成第二弧形卷；
S2.纸杯盖本体和纸质锥体杯环的固定方法有两种，任选其一：
第一种：将纸杯盖本体嵌入所述纸质锥体杯环内部，然后将第一弧形卷的底端和第二弧形卷的顶端卡接并压合固定；
第二种：将纸杯盖本体位于所述纸质锥体杯环外部，然后将第一弧形卷的底端和第二弧形卷的底端卡接并压合固定。
进一步地，对于第一种：将第一弧形卷的底端用模具压平，形成平面环状的第一连接面；将第二弧形卷的顶端压平，形成平面环状的第二连接面；然后将第一连接面和第二连接面卡接并压合固定；
对于第二种：将第一弧形卷的底端用模具压平，形成平面环状的第一连接面；将第二弧形卷的底端用模具压平，形成平面环状的第三连接面，然后将第一连接面和第三连接面卡接并压合固定。
本发明的有益效果在于：
通过两种不同的组装关系或组装方法，就可以形成两种纸杯盖。第一种纸杯盖可以形成内外卡式纸杯盖，由于纸杯盖本体嵌入纸质锥体杯环内部，在纸杯盖本体和纸质锥体杯环之间的空隙用于夹住杯子的杯口，从而形成内外卡式纸杯盖；第二种纸杯盖可以形成内卡式纸杯盖和外卡式纸杯盖，外卡式纸杯盖利用纸质锥体杯环内表面在第一弧形卷的顶端处卡接住杯子的杯口；内卡式纸杯盖利用纸杯盖本体的外表面在第二弧形卷的顶端处卡接住杯子的杯口。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为第一种组装关系的纸杯盖的分解后的剖视结构示意图。
图2为第一种组装关系的纸杯盖的结合后的剖视结构示意图。
图3为第二种组装关系的纸杯盖的分解后的剖视结构示意图。
图4为第二种组装关系的纸杯盖的结合后的剖视结构示意图。
图5为第一种组装关系的纸杯盖作为内外卡式纸杯盖的结构示意图。
图6为第二种组装关系的纸杯盖作为外卡式纸杯盖的结构示意图。
图7为第二种组装关系的纸杯盖作为内卡式纸杯盖的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明优选的实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
参见图1-图2所示，本发明的具有不同组装关系的纸杯盖，包括纸杯盖本体1和纸质锥体杯环2，纸杯盖本体1的位于顶端1的圆形边缘从下往上向外卷 起形成第一弧形卷3；纸质锥体杯环2的位于顶端的圆形边缘从上往下向内弧形卷起形成第二弧形卷4，纸杯盖本体1和纸质锥体杯环2的组装关系有两种，任选其一：
第一种：纸杯盖本体1嵌入纸质锥体杯环2内部，第一弧形卷3的底端31和第二弧形卷4的顶端41卡接并压合固定；
第二种：纸杯盖本体1位于纸质锥体杯环2外部，第一弧形卷3的底端31和第二弧形卷4的底端42卡接并压合固定。
参见图5-图7所示，通过两种不同的组装关系，就可以形成两种纸杯盖。第一种纸杯盖可以形成内外卡式纸杯盖，由于纸杯盖本体嵌入纸质锥体杯环内部，在纸杯盖本体和纸质锥体杯环之间的空隙用于夹住杯子80的杯口，从而形成内外卡式纸杯盖；第二种纸杯盖可以形成内卡式纸杯盖和外卡式纸杯盖，外卡式纸杯盖利用纸质锥体杯环内表面在第一弧形卷的顶端处卡接住杯子80的杯口；内卡式纸杯盖利用纸杯盖本体的外表面在第二弧形卷的顶端处卡接住杯子80的杯口。
作为一种优选的实施方式，对于第一种：第一弧形卷3的底端31压平形成平面环状的第一连接面；第二弧形卷4的顶端41压平形成平面环状的第二连接面，第一连接面和第二连接面卡接并压合固定；
对于第二种：第一弧形卷3的底端31压平形成平面环状的第一连接面；第二弧形卷4的底端42压平形成平面环状的第三连接面，第一连接面和第三连接面卡接并压合固定。
通过压平形成一平面环状的第一连接面、第二连接面或第三连接面，通过面与面的卡接并压合固定，相对于点与点的压合，能够更好地达到密封性和牢固性的效果。
压平可以用模具压平，压合例如可以为超声波压合或热压压合等物理性压合。
纸杯盖本体可以一体成型。也可以以一种优选的具体实施方式形成如下：纸杯盖本体1包括纸盖板11和中空的锥体纸盖体12，锥形纸盖体12的位于顶端的圆形边缘从上往下向内弧形卷起形成第一弧形卷3，锥形纸盖体12的位于 底端的圆形边缘从下往上向外卷起形成第三弧形卷5，纸盖板11的平面边缘与第三弧形卷5压合固定。
作为一种优选的实施方式，第三弧形卷5的顶端51压平形成平面环状的第四连接面，纸盖板11的平面边缘与第四连接面压合固定。面与面的压合能够更好地达到密封性和牢固性的效果。
作为另一种优选的实施方式，纸质锥体杯环2的位于底端的圆形边缘从下往上向外弧形卷起形成第四弧形卷6，形成一种优质纸杯盖。第四弧形卷可以减少单层纸质材料的厚度来进行卷边，又能够增加强度1倍以上。
一种具有不同组装关系的纸杯盖的制备方法，包括如下步骤：
S1.将纸杯盖本体的位于顶端的圆形边缘从下往上向外卷起形成第一弧形卷；将纸质锥体杯环的位于顶端的圆形边缘从上往下向内弧形卷起形成第二弧形卷；
S2.纸杯盖本体和纸质锥体杯环的固定方法有两种，任选其一：
第一种：将纸杯盖本体嵌入纸质锥体杯环内部，然后将第一弧形卷的底端和第二弧形卷的顶端卡接并压合固定；
第二种：将纸杯盖本体位于纸质锥体杯环外部，然后将第一弧形卷的底端和第二弧形卷的底端卡接并压合固定。
作为一种优选的实施方式，对于第一种：将第一弧形卷的底端用模具压平，形成平面环状的第一连接面；将第二弧形卷的顶端压平，形成平面环状的第二连接面；然后将第一连接面和第二连接面卡接并压合固定；
对于第二种：将第一弧形卷的底端用模具压平，形成平面环状的第一连接面；将第二弧形卷的底端用模具压平，形成平面环状的第三连接面，然后将第一连接面和第三连接面卡接并压合固定。
S1步骤可以用模具卷边；S2步骤的压平可以用模具压平，压合例如可以用超声波压合或热压压合等物理性压合。
不同的组装方法就可以形成两种纸杯盖。第一种纸杯盖可以形成内外卡式纸杯盖，由于纸杯盖本体嵌入纸质锥体杯环内部，在纸杯盖本体和纸质锥体杯环之间的空隙用于夹住杯子的杯口，从而形成内外卡式纸杯盖；第二种纸杯盖 可以形成内卡式纸杯盖和外卡式纸杯盖，外卡式纸杯盖利用纸质锥体杯环内表面在第一弧形卷的顶端处卡接住杯子的杯口；内卡式纸杯盖利用纸杯盖本体的外表面在第二弧形卷的顶端处卡接住杯子的杯口。
从而本发明的纸杯盖具有两种组装方法，形成两种纸杯盖，两种纸杯盖具有三种用法，有内卡式、外卡式和内外卡式。
需要说明的是，在本发明的描述中，术语“顶端”、“底端”等指示的方位，是基于附图1所示的方位而进行的描述，仅是为了更方便的描述，而不是指示或暗示所指的部件或元件必须具有特定的方位，因此不能理解为对本发明的限制。附图3-4、6的纸杯盖本体相对于附图1中的纸杯盖本体旋转了180°，附图7的纸质锥体杯环相对于附图1的纸质锥体杯环旋转了180°，为了叙述的需要和表述的术语一致性，附图3-4、6对纸杯盖本体的第一弧形卷的顶端和底端仍然与基于附图1表述的第一弧形卷的顶端和底端对应一致，附图7的纸质锥体杯环的第二弧形卷的顶端和底端仍然与基于附图1表述的第二弧形卷的顶端和底端对应一致。这应当不影响本发明的保护范围。
上述的纸质锥体杯环中的锥体形状，并不局限于数学意义上的严格的锥体形状，包括于此而不局限于此，其也包括大体上呈现锥体的纸质锥体杯环，例如在纸质锥体杯的内表面或外表面上设有用于卡扣住杯子杯口的凹槽。
上文所列出的一系列的详细说明仅仅是针对本发明的可行性实施例的具体说明，它们并非用以限制本发明的保护范围，凡未脱离本发明技艺精神所作的等效实施例或变更均应包含在本发明的保护范围之内。

Claims (7)

  1. 具有不同组装关系的纸杯盖，其特征在于，包括纸杯盖本体和纸质锥体杯环，所述纸杯盖本体的位于顶端的圆形边缘从下往上向外卷起形成第一弧形卷；所述纸质锥体杯环的位于顶端的圆形边缘从上往下向内弧形卷起形成第二弧形卷，所述纸杯盖本体和纸质锥体杯环的组装关系有两种，任选其一：
    第一种：所述纸杯盖本体嵌入所述纸质锥体杯环内部，所述第一弧形卷的底端和所述第二弧形卷的顶端卡接并压合固定；
    第二种：所述纸杯盖本体位于所述纸质锥体杯环外部，所述第一弧形卷的底端和所述第二弧形卷的底端卡接并压合固定。
  2. 根据权利要求1所述的具有不同组装关系的纸杯盖，其特征在于，
    对于第一种：所述第一弧形卷的底端压平形成平面环状的第一连接面；所述第二弧形卷的顶端压平形成平面环状的第二连接面，所述第一连接面和所述第二连接面卡接并压合固定；
    对于第二种：所述第一弧形卷的底端压平形成平面环状的第一连接面；所述第二弧形卷的底端压平形成平面环状的第三连接面，所述第一连接面和所述第三连接面卡接并压合固定。
  3. [根据细则26改正28.02.2020]　
    根据权利要求1所述的具有不同组装关系的纸杯盖，其特征在于，所述纸杯盖本体包括纸盖板和中空的锥 形纸盖体，所述锥形纸盖体的位于顶端的圆形边缘从上往下向内弧形卷起形成所述第一弧形卷，所述锥形纸盖体的位于底端的圆形边缘从下往上向外卷起形成第三弧形卷，所述纸盖板的平面边缘与所述第三弧形卷压合固定。
  4. 根据权利要求3所述的具有不同组装关系的纸杯盖，其特征在于，所述第三弧形卷的顶端压平形成平面环状的第四连接面，所述纸盖板的平面边缘与所述第四连接面压合固定。
  5. 根据权利要求1所述的具有不同组装关系的纸杯盖，其特征在于，所述纸质锥体杯环的位于底端的圆形边缘从下往上向外弧形卷起形成第四弧形卷。
  6. 权利要求1所述的具有不同组装关系的纸杯盖的制备方法，其特征在于，包括如下步骤：
    S1.将纸杯盖本体的位于顶端的圆形边缘从下往上向外卷起形成第一弧形卷；将纸质锥体杯环的位于顶端的圆形边缘从上往下向内弧形卷起形成第二弧形卷；
    S2.纸杯盖本体和纸质锥体杯环的组装方法有两种，任选其一：
    第一种：将纸杯盖本体嵌入所述纸质锥体杯环内部，然后将第一弧形卷的底端和第二弧形卷的顶端卡接并压合固定；
    第二种：将纸杯盖本体位于所述纸质锥体杯环外部，然后将第一弧形卷的底端和第二弧形卷的底端卡接并压合固定。
  7. 根据权利要求6所述的具有不同组装关系的纸杯盖的制备方法，其特征在于，
    对于第一种：将第一弧形卷的底端用模具压平，形成平面环状的第一连接面；将第二弧形卷的顶端压平，形成平面环状的第二连接面；然后将第一连接面和第二连接面卡接并压合固定；
    对于第二种：将第一弧形卷的底端用模具压平，形成平面环状的第一连接面；将第二弧形卷的底端用模具压平，形成平面环状的第三连接面，然后将第一连接面和第三连接面卡接并压合固定。
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