JP2007261619A - Lid having hot water draining function - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lid having a hot water draining function that prevents the lid from being erroneously opened when temporarily opened. <P>SOLUTION: In the lid having a pull-tab at the peripheral edge of a lid body, a peeling vanish layer is formed between the entire lid body and part of lid body side of the pull-tab in order to separate the lid into an upper lid and a lower lid. The lower lid of the lid body has hot water drain holes formed such that a portion defined by a closed cut made through the lower lid is removed as the upper lid is peeled. A half-cut from which the lid is peelable is made in the lower lid in the peeling vanish layer of the pull-tab. Alternatively, the lid body and the pull-tab partially have a peeling vanish layer of particular shape for separating the lid body into the upper and lower lids. Likewise, hot water drain holes and a half cut from which the lid is peelable are made. The upper lid of the peeling vanish layer of the upper lid body and pull-tab have surface half-cuts. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a lid member having a function of draining hot water injected into a container.

Conventionally, lid materials used for containers for storing instant foods etc. are made of a laminated material in which a paper layer is used as a base material and a gas barrier layer and a sealant layer having a low temperature sealing property are laminated on one surface of the base material. Many things are used. In general, instant miso soup and instant ramen are often poured into a container before eating, and the contents are often eaten as they are after a few minutes. After that, drain the used hot water out of the container before eating. There are various methods for discharging the hot water after use to the outside of the container, but without reducing the temperature of the poured hot water, it is possible to efficiently discharge the hot water after loosening the contents, There has been proposed a lid member provided with a knob for opening and a knob for opening a drain outlet projecting outward on the outer peripheral edge of a lid member made of a laminated material having a release layer in a laminated structure (see, for example, Patent Document 1). .)
JP 2003-246368 A

  However, since the proposed cover material has two knobs, namely, a knob for the pouring gate and a knob for the pouring gate, the lid material for the pouring gate is mistaken when the first pouring is performed. There have been problems such as the problem of temporary opening from the knob, and the need for modification of the automatic filling and packaging line due to the special shape.

  An object of the present invention is to provide a lid member with a hot water cutting function which has a general-purpose shape, is not temporarily opened from an erroneous part during use, and has excellent hot water cutting performance.

  The invention according to claim 1 of the present invention is a lid member in which a knob part protruding outward is provided on an outer peripheral edge of the lid material body, and the lid material body part and a part of the knob part on the lid material body side. Is provided with a peeling varnish layer for peeling the lid material on the upper lid portion and the lower lid portion, a hot water cutting hole is provided at a predetermined position on the lower lid portion of the lid body, and a region having a peeling varnish layer on the knob portion is provided. A lid material with a hot water cut-off function, wherein the lower lid portion is provided with a half-cut for peeling start that becomes a trigger for peeling the upper lid portion and the lower lid portion.

  According to a second aspect of the present invention, there is provided a lid member in which a knob portion protruding outward is provided on an outer peripheral edge of the lid material body, wherein the lid material body and the knob portion are covered with a lid material, and an upper lid portion and a lower lid portion. A peeling varnish layer for peeling is partially provided in a predetermined shape, a hot water cutting hole is provided at a predetermined position of the lower lid portion of the lid body, and the lower lid portion of the area having the peeling varnish layer of the knob portion is provided. In order to peel off the upper lid part and the lower lid part on the upper lid part of the region having the peeling varnish layer of the lid material body and the knob part provided with a peeling start half-cut that triggers the upper lid part and lower lid part to peel off This is a lid material with a hot water cutting function, characterized in that a front half cut is provided.

The invention according to claim 3 of the present invention is the invention according to claim 1 or 2, wherein the hot water cut-off hole is defined by a closed notch having a predetermined shape formed through the lower lid portion. It is a lid material with a hot water cut-off function, characterized in that the portion is formed by being removed along with peeling of the upper lid portion.

  The lid material with a hot water draining function of the present invention is a lid material in which a knob part protruding outward is provided on the outer peripheral edge of the lid material body, and the lid material body part and a part of the knob part on the lid material body side. Is provided with a peeling varnish layer for peeling the lid material on the upper lid portion and the lower lid portion, a hot water cutting hole is provided at a predetermined position on the lower lid portion of the lid body, and a region having a peeling varnish layer on the knob portion is provided. The lower lid portion is provided with a peeling start half cut that triggers the upper lid portion and the lower lid portion to peel, or the lid material is peeled off the upper lid portion and the lower lid portion from the lid material body and the knob portion. The peeling varnish layer is partially provided in a predetermined shape, a hot water cutting hole is provided in a predetermined position of the lower lid portion of the lid body, and the upper lid portion is provided in the lower lid portion of the area having the peeling varnish layer of the knob portion. And a peeling start varnish layer on the lid body and the knob part. A front half cut for peeling the upper lid portion and the lower lid portion is provided in the upper lid portion of the area having the hot water cut hole formed by a closed cut of a predetermined shape formed through the lower lid portion. Since the partitioned part is formed by removing it with the peeling of the upper lid part, it has a versatile shape, so there is no need to modify the automatic filling and packaging line and it is sealed to the flange part of the container. After being opened temporarily, it will not be opened from the wrong part, and the hot water removal property is also good.

  The lid material with a hot water cutting function of the present invention will be described in detail below along the embodiment. Fig.1 (a) is a top view which shows one Embodiment of the cover material with a hot water cut-off function of this invention, and the cover material (1) with a hot water cut-off function is a base material layer (21) and peeling in order of the thickness direction. A knob (3) protruding outward on the outer peripheral edge of the lid body (2) in a laminated structure in which a varnish layer (22), an adhesive resin layer (24), a gas barrier layer (25), and a sealant layer (26) are laminated. ), And a peeling varnish for peeling the lid material to the upper lid portion and the lower lid portion on the entire lid body (2) and a part of the knob (3) on the lid body (2) side. A layer (22) is provided, and in the lower lid portion of the lid body (2), hot water cut holes (11, 12, 13) defined by round closed cuts (8, 9, 10) are provided. In the lower lid part of the region having the peeling varnish layer (22) of the knob part (3), the peeling start that triggers the peeling to the upper lid part and the lower lid part is started. A half cut (14) is provided, (b) is a cross-sectional view taken along the line AA 'of (a), and the cut (8) is perpendicular from the sealant layer (26) to the middle of the base material layer (21). The peeling start half cut (14) is vertically cut from the sealant layer (26) to the base material layer (21). The peeling varnish layer (22) may slightly protrude outside the peeling start half cut (14).

Fig.2 (a) is a top view which shows other embodiment of the cover material with a hot water cutting function of this invention, and the cover material (1 ') with a hot water cutting function is a base material layer (21) in order in the thickness direction. , A knob portion protruding outward on the outer peripheral edge of the lid body (2) in a laminated configuration in which a peeling varnish layer (23), an adhesive resin layer (24), a gas barrier layer (25), and a sealant layer (26) are laminated. (3) is provided, and a peeling varnish layer (23) for peeling the lid material into an upper lid portion and a lower lid portion is partially formed in a predetermined shape on the lid body (2) and the knob (3). There are provided hot water cut holes (11, 12, 13) partitioned by round closed cuts (8, 9, 10) at predetermined positions on the lower lid of the lid body (2). For the start of peeling that triggers the upper lid part and the lower lid part to peel on the lower lid part of the area having the peeling varnish layer (23) of the knob part (3) In order to peel off the upper lid part and the lower lid part on the upper lid part of the region having the peeling varnish layer (23) of the lid body (2) and the knob part (3). The front half cuts (15a, 15b) are provided, (b) is a cross-sectional view taken along the line AA 'of (a), and the cut (8) is from the sealant layer (26) to the base material layer (21). The peeling start half cut (14) is vertically cut from the sealant layer (26) to the inside of the base material layer (21), and (c) is (a) ), And the front half cuts (15a, 15b) are vertically cut from the base material layer (21) to the release varnish layer (23). The peeling varnish layer (23) may slightly protrude outside the peeling start half cut (14) and the front half cut (15a, 15b).

  The hot water cut-out holes (11, 12, 13) are preferably formed so that a part of the peripheral edge thereof is in contact with the outer peripheral edge of the flange portion of the container body to which the lid member is sealed.

  The peeling start half-cut (14) is linear in FIGS. 1 and 2, but may be any shape that can easily cause the upper lid and the lower lid to peel off. For example, on the outer periphery of the knob (3). A mountain shape with a sharp point may be used. Moreover, the position to form is preferable the position close | similar to the outer periphery of the flange part of the container main body by which a cover material is sealed.

  FIG. 3 is an explanatory view showing an upper lid portion and a lower lid portion of a lid material with a hot water cutting function according to an embodiment of the present invention. The lid material with a hot water cutting function (1) includes an upper lid portion (4) and a lower lid portion ( 5) shows the state after being peeled, and picks the knob (3) to cohesively break the peeling varnish layer (22) from the peeling start half-cut (14) part and the upper lid part (4). When peeled to the lower lid part (5), the peeled varnish layer (22), the adhesive resin layer (24), and the gas barrier layer ( 25) and the sealant layer (26) are removed from the lower lid (5) in a state of being adhered to the base layer (21) of the upper lid (4) from which the peeled off sealant is formed. Hot water cut holes (11, 12, 13) defined by the cuts (8, 9, 10) are formed. The peeling varnish layer (22a) after the peeling varnish layer (22) is coherently broken remains in the lower lid part (5).

  FIG. 4 is an explanatory view showing an upper lid portion and a lower lid portion of a lid material with a hot water cut-off function according to another embodiment of the present invention. The lid material with a hot water cut-off function (1 ′) is an upper lid portion (6) and a lower lid. The state after peeling to the part (7) is shown, the picking part (3) is picked, the peeling varnish layer (23) is cohesively broken from the half-cut (14) part for peeling start, and the table half-cut When the upper lid portion (6) and the lower lid portion (7) are partially peeled along (15a, 15b), the portions defined by the closed round cuts (8, 9, 10) along with the peeling The lower cover part in a state where the release varnish layer (23), the adhesive resin layer (24), the gas barrier layer (25), and the sealant layer (26) are adhered to the base layer (21) of the upper cover part (6). A hot water cut hole removed from (7) and defined by a closed circular cut (8, 9, 10) in the lower lid (7) 11, 12, 13) is formed. The peeling varnish layer (23a) after the peeling varnish layer (23) is coherently broken remains in the lower lid part (7).

The said base material layer (21) consists of a laminated | multilayer film which laminated | stacked the paper of the said basic weight on the polymer film which consists of a polyester single-piece | unit or a polyester resin or nylon resin with a basic weight of 80-120 g / m < ² >. In the case of the laminated film, it is used with the polymer film surface being the outermost side.

  The release varnish layers (22, 23) are made of a release varnish containing a wax and have a property of easily causing cohesive failure. The laminating method is partially applied by a known gravure coating method using the release varnish. The coating amount is appropriately selected depending on the type of the release varnish.

  The resin used for the adhesive resin layer (24) is not particularly limited as long as it is an adhesive resin. For example, polyethylene, ethylene / acrylic acid copolymer, ethylene / methyl methacrylate copolymer, ethylene / methyl Resins such as acrylate copolymers and ethylene / ethyl acrylate copolymers are used. The thickness is preferably in the range of 20 μm to 60 μm in order to adjust the dead hold property of the lid.

  As the gas barrier layer (25), an aluminum foil having a thickness of 10 to 30 μm, or a vapor deposition film on which an inorganic oxide such as aluminum metal, silicon oxide, or aluminum oxide is deposited is used. A biaxially stretched polypropylene film, a biaxially stretched nylon film, or a biaxially stretched polyester film is used as the base film of the vapor deposition film.

  The sealant layer (26) can be heat-sealed to the flange portion of the container body and preferably has an easy peel property when opened. For example, a wax is mixed with a polymer alloy of polyethylene and polystyrene or an ethylene / vinyl acetate copolymer resin. And the like are used. The thickness is preferably in the range of 10 μm to 60 μm.

  Since the lid material with a hot water cutting function of the present invention has a general-purpose shape, there is no need to remodel the automatic filling and packaging line, and since there is only one knob, it is sealed in the flange part of the container. There is no possibility of opening from the wrong part when opening temporarily. Moreover, a hot water hole can be easily obtained.

(A) is a top view which shows one Embodiment of the cover material with a hot water cutting function of this invention, (b) is the sectional view on the AA 'line of (a). (A) is a top view which shows other embodiment of the cover material with a hot water cutting function of this invention, (b) is the sectional view on the AA 'line of (a), (c) is (a). It is BB 'sectional view taken on the line. It is explanatory drawing which shows the upper cover part and lower cover part of the cover material with a hot water cut-off function of one Embodiment of this invention. It is explanatory drawing which shows the upper cover part and lower cover part of the cover material with a hot water cutting function of other embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,1 '... Lid with hot water cutting function 2 ... Lid material main body 3 ... Knob part 4, 6 ... Upper lid part 5, 7 ... Lower lid part 8, 9, 10 ... Cut 11, 12, 13 ... Hot water cut hole 14 ... Half cut 15a, 15b for peeling start ... Table half cut 21 ... Base layer 22,22a, 23,23a ... Peeling varnish layer 24 ... Adhesive resin layer 25 ... Gas barrier layer 26 ... Sealant layer

Claims (3)

  In the lid material in which a knob part protruding outward is provided on the outer peripheral edge of the lid material body, the lid material is applied to the entire lid material body and a part of the lid material body side of the knob part on the upper lid part and the lower lid part. A peeling varnish layer for peeling is provided, a hot water cutting hole is provided at a predetermined position of the lower lid portion of the lid material body, and an upper lid portion and a lower lid portion are provided in the lower lid portion of the area having the peeling varnish layer of the knob portion. A lid material with a hot water cut-off function, characterized in that a half-cut for peeling start is provided as a trigger for peeling.   In the lid material in which a knob part protruding outward is provided on the outer peripheral edge of the lid material body, the peeling varnish layer for peeling the lid material into the upper lid part and the lower lid part is partially formed on the lid material body and the knob part. Provided with a predetermined shape, a hot water cutting hole is provided at a predetermined position of the lower lid portion of the lid body, and the upper lid portion and the lower lid portion are peeled off at the lower lid portion of the area having the peeling varnish layer of the knob portion. The peeling start half cut is provided, and the upper lid part of the region having the peeling varnish layer of the lid material body and the knob part is provided with a front half cut for peeling the upper lid part and the lower lid part. A lid material with a hot water drainage feature.   The hot water cut-off hole is formed by removing a portion defined by a closed cut formed in a predetermined shape penetrating the lower lid portion along with peeling of the upper lid portion. Claim | item 1 or the lid material with a hot water cutting function of Claim 2.

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