CN112110012A - Easily separated paper pulp container - Google Patents
Easily separated paper pulp container Download PDFInfo
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- CN112110012A CN112110012A CN202010977535.XA CN202010977535A CN112110012A CN 112110012 A CN112110012 A CN 112110012A CN 202010977535 A CN202010977535 A CN 202010977535A CN 112110012 A CN112110012 A CN 112110012A
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- Prior art keywords
- conical
- container body
- wall
- tapered
- diameter
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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
- B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
- B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
- B65D21/0233—Nestable containers
-
- 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
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/40—Details of walls
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Stackable Containers (AREA)
Abstract
A paper pulp container easy to separate comprises a conical container body made of paper pulp material, the opening of the conical container body is provided with a brim which is turned outwards, a bulge limiting part which bulges outwards in the radial direction is integrally formed on the outer wall of the opening end of the conical container body, the opening of the conical container body on the outer side is limited on the lower side of the bulge peak of the bulge limiting part of the conical container body on the inner side when the two conical container bodies are nested, the bulge limiting part comprises a conical separation surface arranged on the outer wall of the opening end of the conical container body, the upper end diameter of the conical separation surface is smaller than the lower end diameter of the conical separation surface, the lower end diameter of the conical separation surface is larger than the opening caliber of the conical container body, the thickness from the conical separation surface to the inner wall of the opening of the conical container body is gradually increased from top to bottom, and the bulge limiting part also comprises a conical limiting surface which is, the diameter of the upper end of the conical limiting surface is larger than that of the lower end of the conical limiting surface.
Description
Technical Field
The invention belongs to the technical field of paper pulp products, and particularly relates to an easily-separated paper pulp container.
Background
The paper pulp container has the advantages of environmental protection and the like.
Pulp containers made by pulp molding processes are typically stored nested within each other and used by separating the nested pulp containers.
It has multiple structure, one kind is the circular cone structure, and it is convenient for process and cuts with low costsly, and another kind is for setting up right angle step at the uncovered of circular cone structure, and it has improved the easy separation nature after the intussusception to a certain extent that first kind of structure is compared to second kind of structure, but, after the container overlaps, the contact between two containers is the face and the face contact of internal surface and surface, leads to follow-up separation comparatively difficult.
Disclosure of Invention
The invention aims to solve the problems and provides an easily-separated pulp container capable of solving the technical problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an easily separate paper pulp container includes the toper container body of being made by the paper pulp material, and the wall thickness of toper container body equals, and the uncovered of toper container body has the edgewise of turning over outwards, has radial outside uplift restriction portion and the uncovered of outside toper container body is restricted the uplift peak downside of the uplift restriction portion of inboard toper container body when two toper container bodies intussuseption at the uncovered end outer wall of toper container body integrated into one piece, uplift restriction portion including setting up the circular cone separating surface at toper container body uncovered end outer wall, the upper end diameter of circular cone separating surface is less than circular cone separating surface lower extreme diameter, the lower extreme diameter of circular cone separating surface is greater than the uncovered bore of toper container body and the thickness between circular cone separating surface to the uncovered inner wall of toper container body is from last down crescent. The uplift limiting part further comprises a conical limiting surface which is connected to the lower end of the conical separation surface and is smoothly connected with the outer wall of the conical container body, and the diameter of the upper end of the conical limiting surface is larger than that of the lower end of the conical limiting surface.
Preferably, the bump restricting section further includes an intermediate cylindrical surface, an upper end of the intermediate cylindrical surface being connected to a lower end of the conical separating surface, and a lower end of the intermediate cylindrical surface being connected to an upper end of the conical restricting surface.
Preferably, the edge forms an included angle of 90 degrees with the axial line of the conical container body.
Preferably, the inner wall of the opening of the conical container body is provided with an inner conical surface, and the inner diameter of the upper end of the inner conical surface is larger than that of the lower end of the inner conical surface.
Preferably, the upper end of the conical surface is connected to the bead by a fillet.
Preferably, the conical separation surface and the rim form an acute angle of less than 90 °.
Preferably, the conical separation surface and the conical limiting surface form an obtuse angle of more than 120 °.
As another mode, the bulge restricting portion further includes a middle arc-shaped convex surface, an upper end of the middle arc-shaped convex surface is connected to a lower end of the conical separating surface, and a lower end of the middle arc-shaped convex surface is connected to an upper end of the conical restricting surface.
Preferably, a plurality of inner bulges which are uniformly distributed on the circumference are arranged on the inner wall of the conical container body, the upper ends of the inner bulges are positioned at the lower side of the open end of the conical container body, the lower ends of the inner bulges are extended to the inner bottom of the conical container body, a plurality of inner grooves which are in one-to-one correspondence with the inner bulges are arranged on the outer wall of the conical container body, and the lower ends of the inner grooves are communicated with the outside.
Preferably, the inner conical surface is connected with the inner wall of the conical container body through an arc transition concave surface.
The utility model provides an easily separable paper pulp container, includes the tapered container body of being made by the paper pulp material, and the wall thickness of tapered container body equals, and the uncovered of tapered container body has the edgewise of turning over the book outwards, has the radial outside uplift of uplift restriction portion and when two tapered container body intussuseptions the uncovered of outside tapered container body by the uplift peak downside of the uplift restriction portion of the inboard tapered container body of restriction, the uplift restriction portion including setting up the arc convex surface at tapered container body open end outer wall, the upper end diameter of arc convex surface is less than arc convex surface lower extreme diameter, the lower extreme diameter of arc convex surface is greater than the uncovered bore of tapered container body and the thickness of arc convex surface to tapered container body between the uncovered inner wall is from last down crescent.
Preferably, the bulge limiting part further comprises a conical limiting surface connected to the lower end of the arc-shaped convex surface and smoothly connected with the outer wall of the conical container body, and the diameter of the upper end of the conical limiting surface is larger than that of the lower end of the conical limiting surface.
Preferably, a plurality of reinforcing ribs which are uniformly distributed in the circumference are connected between the upper end of the outer wall of the conical container body and the lower surface of the edge. The reinforcing ribs can further facilitate the separation of two adjacent conical container bodies after being nested.
Compared with the prior art, this readily releasable paper pulp container's advantage lies in:
the separation of the mutually nested containers is convenient, and the use convenience is improved.
The conical structure is reserved, the structure is simple, and the cost is lower.
Drawings
Fig. 1 is a schematic structural view of a vessel for easily separating pulp according to the present invention.
Fig. 2 is a schematic sectional view taken along the line a-a in fig. 1.
Fig. 3 is a schematic top view of the structure of fig. 1.
Fig. 4 is an enlarged schematic view of the structure at B in fig. 2.
FIG. 5 is a schematic structural diagram of the second embodiment.
FIG. 6 is a schematic diagram of the fifth embodiment.
In the figures, a conical container body 10; an inner conical surface 100; a fillet 101; an inner protrusion 102; an inner groove 103; an arcuate transition concavity 104; a rim 20; a bulge restricting portion 30; a conical separating surface 300; a conical limiting surface 301; an intermediate cylindrical surface 302; a middle arcuate convex surface 303; an included angle a; an acute angle b; an obtuse angle c.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Example one
As shown in fig. 1 and 2, a readily separable pulp container has equal wall thickness for ease of manufacture. Specifically, the easily separable pulp container includes a tapered container body 10 made of pulp material, an opening of the tapered container body 10 has a rim 20 folded outward, and the rim 20 is integrally formed with the tapered container body 10.
Further, the rim 20 forms an angle a of 90 with the axis of the conical container body 10. The 90 included angle a may facilitate manufacturing along the edge 20 and subsequent removal from the mold, although included angles greater than 90 are also possible.
A bulge restricting part 30 bulging radially outward is integrally formed on an outer wall of an open end of the tapered container body 10 and the opening of the outer tapered container body 10 is restricted to a lower side of a bulge highest point of the bulge restricting part 30 of the inner tapered container body 10 when two tapered container bodies 10 are nested.
Further, as shown in fig. 4, the bump restricting section 30 of the present embodiment includes a conical separation surface 300 disposed on the outer wall of the open end of the conical container body 10, the upper end diameter of the conical separation surface 300 is smaller than the lower end diameter of the conical separation surface 300, the lower end diameter of the conical separation surface 300 is larger than the open caliber of the conical container body 10, the thickness from the conical separation surface 300 to the inner wall of the open end of the conical container body 10 gradually increases from top to bottom, and the conical separation surface 300 and the rim 20 form an acute angle b smaller than 90 °, which may also be referred to as a negative angle. This conical separation plane 300, which thickens the wall thickness of the container downwards, can form a position limitation when two containers are nested, i.e. the position of the inner container with the thickest wall thickness can form a restriction block to the opening of the outer container, and ensure that the inner container cannot excessively enter into the outer container.
The bulge restricting portion 30 further includes a conical restricting surface 301 connected to a lower end of the conical separating surface 300 and smoothly connected to an outer wall of the conical container body 10, and an upper end diameter of the conical restricting surface 301 is larger than a lower end diameter of the conical restricting surface 301. Continuing the statement above, further can play the restriction of position in advance through circular cone limiting surface 301, simultaneously, circular cone limiting surface 301 and the uncovered of outside container be the line and the contact mode of line, and this kind of mode not only can reduce the contact surface, but also can enlarge the clearance between inside container outer wall and the outside container inner wall to the separation of follow-up both is favorable to. Because of the conical separation plane 300, the distance from the conical limiting plane 301 to the inner wall of the conical container body 10 is gradually reduced from top to bottom, and finally returns to the equal wall thickness of the conical container body 10.
Preferably, the bump restricting section 30 further includes an intermediate cylindrical surface 302, an upper end of the intermediate cylindrical surface 302 is connected to a lower end of the conical separating surface 300, and a lower end of the intermediate cylindrical surface 302 is connected to an upper end of the conical restricting surface 301. The middle cylindrical surface 302 can facilitate the processing and manufacturing of the whole container, meanwhile, the phenomenon of mutual abrasion and damage can not occur due to sharp-angled edges in the subsequent nesting process, and meanwhile, the whole appearance of the container is more attractive.
Specifically, the conical separation plane 300 and the conical limiting plane 301 form an obtuse angle c greater than 120 °. For example, 170 ° or 160 ° or the like, which is not favorable for subsequent separation due to the large area contact manner between the surfaces caused by the excessively small angle.
Next, as shown in fig. 1, 2 and 4, an inner tapered surface 100 is formed on the inner wall of the opening of the tapered container body 10, and the inner diameter of the upper end of the inner tapered surface 100 is larger than the inner diameter of the lower end of the inner tapered surface 100. The upper end of the conical surface 100 is connected to the rim 20 by a fillet 101. The inner conical surface 100 is connected with the inner wall of the conical container body 10 through an arc transition concave surface 104.
The inner conical surface 100 can facilitate demolding and nesting of two conical container bodies.
Also, the conical separation surface 300 and the inner conical surface 100 form an angle of less than 10 °, for example 8 °. The conical separating surface 300 is in contact with the upper end of the inner conical surface 100 to ensure that an annular gap is formed between the conical separating surface 300 and the lower side of the upper end of the inner conical surface 100 to reduce the contact area therebetween and improve the separation performance.
As shown in fig. 1, 2 and 3, a plurality of inner protrusions 102 are uniformly distributed on the inner wall of the conical container body 10, the upper ends of the inner protrusions 102 are located at the lower side of the open end of the conical container body 10, the lower ends of the inner protrusions 102 extend to the inner bottom of the conical container body 10, a plurality of inner grooves 103 corresponding to the inner protrusions 102 one by one are arranged on the outer wall of the conical container body 10, and the lower ends of the inner grooves 103 are communicated with the outside. The inner protrusion 102 can form a structural reinforcement, and at the same time, can form a directional nesting when two conical container bodies 10 are nested, because the inner protrusion 102 enters from the lower end of the inner groove 103 to realize the directional nesting, so as to prevent the two conical container bodies 10 from being forced to have a tighter nesting tightness when two adjacent conical container bodies 10 are circumferentially rotated, and thus, the subsequent separation is not facilitated.
In addition, the inner bottom of the tapered container body 10 is provided with an upper convex surface, the outer bottom of the tapered container body 10 is provided with an upper concave surface, and the upper convex surface and the upper concave surface correspond to each other, so that the processing and the manufacturing are facilitated, and meanwhile, the structural strength of the bottom of the container can be improved.
Example two
The structure and principle of the present embodiment are basically the same as those of the first embodiment, and the different structure is as follows: as shown in fig. 5, the bulge restricting section 30 further includes an intermediate arcuate convex surface 303, an upper end of the intermediate arcuate convex surface 303 being connected to a lower end of the conical separating surface 300, and a lower end of the intermediate arcuate convex surface 303 being connected to an upper end of the conical restricting surface 301.
EXAMPLE III
The structure and principle of the present embodiment are basically the same as those of the first embodiment, and the different structure is as follows: the bulge limiting part comprises an arc-shaped limiting convex surface arranged on the outer wall of the open end of the conical container body.
Example four
The structure and principle of the present embodiment are basically the same as those of the first embodiment, and the different structure is as follows: the uplift limiting part comprises an arc-shaped convex surface arranged on the outer wall of the open end of the conical container body, the upper end diameter of the arc-shaped convex surface is smaller than the lower end diameter of the arc-shaped convex surface, the lower end diameter of the arc-shaped convex surface is larger than the open caliber of the conical container body, and the thickness from the arc-shaped convex surface to the inner wall of the conical container body is gradually increased from top to bottom.
The uplift limiting part further comprises a conical limiting surface which is connected to the lower end of the arc-shaped convex surface and is smoothly connected with the outer wall of the conical container body, and the diameter of the upper end of the conical limiting surface is larger than the diameter of the lower end of the conical limiting surface.
EXAMPLE five
The structure and principle of the present embodiment are basically the same as those of the first embodiment, and the different structure is as follows: as shown in FIG. 6, the unilateral transverse section along the edge is arched, and a plurality of reinforcing ribs 40 which are uniformly distributed in the circumference are connected between the upper end of the outer wall of the conical container body and the lower surface along the edge.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (14)
1. The utility model provides an easily separable paper pulp container, includes the toper container body of being made by the paper pulp material, the wall thickness of toper container body equals, and the uncovered of toper container body has the edgewise of turning over outwards, has the radial outside uplift of uplift restriction portion and when two toper container body intussuseptions the uncovered of outside toper container body by the uplift peak downside of the uplift restriction portion of the inboard toper container body of restriction, its characterized in that, the uplift restriction portion including setting up the circular cone separating surface at toper container body open end outer wall, the upper end diameter of circular cone separating surface is less than circular cone separating surface lower extreme diameter, the lower extreme diameter of circular cone separating surface is greater than the uncovered bore of toper container body and the thickness between circular cone separating surface to the uncovered inner wall of toper container body from last down crescent.
2. An easily separable pulp container according to claim 1, wherein the bump restricting portion further comprises a conical restricting surface connected to a lower end of the conical separating surface and smoothly connected to an outer wall of the conical container body, and an upper end diameter of the conical restricting surface is larger than a lower end diameter of the conical restricting surface.
3. An easily separable pulp container according to claim 2, wherein the bump restriction further comprises an intermediate cylindrical surface, an upper end of the intermediate cylindrical surface being connected to a lower end of the conical separation surface, a lower end of the intermediate cylindrical surface being connected to an upper end of the conical restriction surface.
4. A readily separable pulp container as defined in claim 1, wherein said brim forms a 90 ° angle with the axis of the conical container body.
5. An easily separable pulp container according to claim 1, wherein the inner wall of the opening of the tapered container body is provided with an inner tapered surface, and an inner diameter of an upper end of the inner tapered surface is larger than an inner diameter of a lower end of the inner tapered surface.
6. A readily separable pulp container according to claim 5, wherein the upper end of the conical surface is connected to the brim by a fillet.
7. A readily separable pulp container according to claim 4, wherein said conical separating surface and said rim form an acute angle of less than 90 °.
8. A readily separable pulp container according to claim 6, wherein said conical separating surface and said conical limiting surface form an obtuse angle of greater than 120 °.
9. An easily separable pulp container as defined in claim 1, wherein the bump-limiting portion further comprises an intermediate arcuate convex surface, an upper end of the intermediate arcuate convex surface being connected to a lower end of the conical separating surface, and a lower end of the intermediate arcuate convex surface being connected to an upper end of the conical limiting surface.
10. An easily separable pulp container according to claim 1, wherein a plurality of inner protrusions are uniformly circumferentially distributed on an inner wall of the conical container body, upper ends of the inner protrusions are located below an open end of the conical container body, lower ends of the inner protrusions extend to an inner bottom of the conical container body, a plurality of inner grooves are formed in an outer wall of the conical container body in one-to-one correspondence with the inner protrusions, and lower ends of the inner grooves are communicated with the outside.
11. A readily separable pulp container as defined in claim 5, wherein said inner conical surface is connected to the inner wall of the conical container body by a concave curved transition surface.
12. The utility model provides an easily separated paper pulp container, includes the tapered container body of being made by the paper pulp material, the wall thickness of tapered container body equals, and the uncovered of tapered container body has the edgewise of turning over the book outwards, has the radial outside uplift restriction portion and when two tapered container body intussuseptions the uncovered of outside tapered container body by the uplift peak downside of the uplift restriction portion of the inboard tapered container body of restriction, a serial communication port, the uplift restriction portion including setting up the arc convex surface at tapered container body open end outer wall, the upper end diameter of arc convex surface is less than arc convex surface lower extreme diameter, the lower extreme diameter of arc convex surface is greater than the uncovered bore of tapered container body and the thickness between arc convex surface to the uncovered inner wall of tapered container body is from last down crescent.
13. An easily separable pulp container according to claim 12, wherein the bump restricting portion further comprises a conical restricting surface connected to a lower end of the arcuate convex surface and smoothly connected to an outer wall of the conical container body, and an upper end diameter of the conical restricting surface is larger than a lower end diameter of the conical restricting surface.
14. An easily separable pulp container according to any one of claims 1 to 13, wherein a plurality of circumferentially uniformly distributed reinforcing ribs are connected between the upper end of the outer wall of the conical container body and the lower surface along the rim.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010977535.XA CN112110012A (en) | 2020-09-16 | 2020-09-16 | Easily separated paper pulp container |
| PCT/CN2021/117325 WO2022057715A1 (en) | 2020-09-16 | 2021-09-08 | Easy-separation pulp container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010977535.XA CN112110012A (en) | 2020-09-16 | 2020-09-16 | Easily separated paper pulp container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112110012A true CN112110012A (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010977535.XA Pending CN112110012A (en) | 2020-09-16 | 2020-09-16 | Easily separated paper pulp container |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112110012A (en) |
| WO (1) | WO2022057715A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022057715A1 (en) * | 2020-09-16 | 2022-03-24 | 浙江舒康科技有限公司 | Easy-separation pulp container |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5143247A (en) * | 1991-04-22 | 1992-09-01 | Ross Gavle | Liquid container stabilizing device |
| JP3671463B2 (en) * | 1995-08-14 | 2005-07-13 | 凸版印刷株式会社 | Insulation cup |
| CN2344307Y (en) * | 1998-03-12 | 1999-10-20 | 中国包装新技术开发包宁公司 | Convenience food package container |
| CN101189164A (en) * | 2005-03-01 | 2008-05-28 | 派迪夫公司 | Container having textured grip and enhanced wall integrity |
| CN107386014B (en) * | 2017-07-06 | 2023-06-20 | 江苏绿森包装有限公司 | Pulp moulding negative angle container and its processing technology |
| CN207860758U (en) * | 2018-02-08 | 2018-09-14 | 浙江新德宝机械有限公司 | It is easy to the paper container being separated from each other |
| CN208036917U (en) * | 2018-03-15 | 2018-11-02 | 北京永华晴天设计包装有限公司 | A kind of transparent pile square box convenient for separation |
| CN213293076U (en) * | 2020-09-16 | 2021-05-28 | 浙江舒康科技有限公司 | Easily separated paper pulp container |
| CN112110012A (en) * | 2020-09-16 | 2020-12-22 | 浙江舒康科技有限公司 | Easily separated paper pulp container |
-
2020
- 2020-09-16 CN CN202010977535.XA patent/CN112110012A/en active Pending
-
2021
- 2021-09-08 WO PCT/CN2021/117325 patent/WO2022057715A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022057715A1 (en) * | 2020-09-16 | 2022-03-24 | 浙江舒康科技有限公司 | Easy-separation pulp container |
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| Publication number | Publication date |
|---|---|
| WO2022057715A1 (en) | 2022-03-24 |
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