Paper cover and method for manufacturing paper cover
A manufacturing method and paper-based technology, applied in the direction of sustainable manufacturing/processing, capping, sealing, etc., can solve problems such as non-conformity and plastic reduction, and achieve the effect of improving airtightness and improving convenience
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no. 1 Embodiment approach
[0053] figure 1 It is a sectional view of the paper cap 1 and the container 20 of the first embodiment. figure 1 (a) is a cross-sectional view showing a state in which the paper lid 1 is removed from the container 20, figure 1 (b) is a cross-sectional view showing a state where the paper cap 1 is fitted to the container 20 .
[0054] figure 2 It is a schematic diagram seen from above of the paper lid 1 of the first embodiment. figure 2 (a) shows the state that the sealing part 8 seals the drinking mouth 5, figure 2 (b) shows a state where the sealing part 8 is removed from the drinking spout 5 . in addition, figure 2 of (c), figure 2 In (d), the drinking port 5 is formed by bending toward the center of the paper lid 1, and the solid line is a cutout.
[0055] (paper cover)
[0056] The paper cap 1 has a top cover part 2 , a tapered part 3 formed on the top cover part 2 , a bottom cover part 4 , a drinking spout 5 , a groove part 6 , an air hole part 7 , and a seal...
no. 2 Embodiment approach
[0103] Below, use Figure 4 Description of the second embodiment will be given. Figure 4 It is a sectional view of the paper lid 1 and the container 20 of the second embodiment. Figure 4 (a) is a cross-sectional view showing a state in which the paper lid 1 is removed from the container 20, Figure 4 (b) is a cross-sectional view showing a state where the paper cap 1 is fitted to the container 20 .
[0104] In this embodiment, the curled portion 9 is also provided on the paper cover 1 . The curled portion 9 may be provided integrally with the paper lid 1 , or a separate curled portion 9 may be joined to the paper lid 1 . In addition, the shape of the curled part 9 may be arbitrary as long as a fold is formed.
[0105] In this embodiment, the sizes of the curled portion 9 and the curled portion 22 are different, and when the curled portion 9 is made larger, the bond between the paper lid 1 and the container 20 when the curled portion 9 and the curled portion 22 are fitted c...
no. 3 Embodiment approach
[0108] Below, use Figure 5 Description will be given of the third embodiment. Figure 5 It is a schematic diagram of the paper cover 1 with the holder 30 of 3rd Embodiment. Figure 5 (a) is a figure showing the state before the paper lid 1 is mounted on the container 20, Figure 5 (b) and Figure 5 (c) is a figure which shows the state after the paper cap 1 was attached to the container 20.
[0109] The holder 30 is formed of a paper material and is a tapered annular member having the same tapered shape as the tapered portion 21 of the container 20 . In addition, a part of the tapered annular member of the bracket 30 may be cut off.
[0110] In addition, unevenness may be provided on the surface of the holder 30 by punching or embossing, or an anti-slip agent may be applied to prevent the container 20 from being accidentally dropped.
[0111] The hinge portion 31 is a connection member that connects the bracket 30 and the paper cover 1 . The hinge part 31 is formed of a...
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