CA2152246A1 - Plastic Bucket and Lid - Google Patents
Plastic Bucket and LidInfo
- Publication number
- CA2152246A1 CA2152246A1 CA 2152246 CA2152246A CA2152246A1 CA 2152246 A1 CA2152246 A1 CA 2152246A1 CA 2152246 CA2152246 CA 2152246 CA 2152246 A CA2152246 A CA 2152246A CA 2152246 A1 CA2152246 A1 CA 2152246A1
- Authority
- CA
- Canada
- Prior art keywords
- bucket
- annular
- lid
- wall
- typically
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Closures For Containers (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
Abstract
A plastic bucket has an annular lip and typically an attached plastic lid. The lid defines a peripheral, outer, annular wall which defines an outer wall of an annular recess of the lid. The bucket lip occupies the recess in locked, sealed relation with the lid. The bucket typically defines only a single, annular undercut which extends diagonally inward typically for a distance which is no more than about one quarter inch.
This permits the bucket to be shaped in a manner to permit the use of present-day automated filling machinery, while the bucket is capable of being molded without a collapsible core. In the portion of the bucket defined by the undercut, the bucket may include integral, diagonally positioned strengthening ribs which are disposed in crossing array, to improve the hoop strength of the bucket adjacent the annular lip and the open mouth defined thereby. Also, a circumferential tear strip is typically provided in the outer, annular wall of the plastic lid. If desired, the outer, annular lid wall may define a lower edge which resides in an annular recess on an upper surface of a flange carried by the bucket. This prevents prying of the outer annular wall outwardly by a screwdriver or the like, which forces the container to be opened in a tamper-indicating way by tearing of the tear strip.
This permits the bucket to be shaped in a manner to permit the use of present-day automated filling machinery, while the bucket is capable of being molded without a collapsible core. In the portion of the bucket defined by the undercut, the bucket may include integral, diagonally positioned strengthening ribs which are disposed in crossing array, to improve the hoop strength of the bucket adjacent the annular lip and the open mouth defined thereby. Also, a circumferential tear strip is typically provided in the outer, annular wall of the plastic lid. If desired, the outer, annular lid wall may define a lower edge which resides in an annular recess on an upper surface of a flange carried by the bucket. This prevents prying of the outer annular wall outwardly by a screwdriver or the like, which forces the container to be opened in a tamper-indicating way by tearing of the tear strip.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26291694A | 1994-06-21 | 1994-06-21 | |
| US262,916 | 1994-06-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2152246A1 true CA2152246A1 (en) | 1995-12-22 |
| CA2152246C CA2152246C (en) | 1999-09-07 |
Family
ID=22999621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2152246 Expired - Fee Related CA2152246C (en) | 1994-06-21 | 1995-06-20 | Plastic bucket and lid |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1062821C (en) |
| CA (1) | CA2152246C (en) |
| CO (1) | CO4440505A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107777093A (en) * | 2016-08-25 | 2018-03-09 | 天津市唯天涂料包装器材有限公司 | A kind of packing jar for facilitating cover to position |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4349119A (en) * | 1980-07-16 | 1982-09-14 | Letica Corporation | Container construction |
| US4735337A (en) * | 1987-05-26 | 1988-04-05 | Holdt J W Von | Plastic lid having opening means |
-
1995
- 1995-06-20 CN CN95107032A patent/CN1062821C/en not_active Expired - Fee Related
- 1995-06-20 CO CO95027031A patent/CO4440505A1/en unknown
- 1995-06-20 CA CA 2152246 patent/CA2152246C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CO4440505A1 (en) | 1997-05-07 |
| CN1062821C (en) | 2001-03-07 |
| CA2152246C (en) | 1999-09-07 |
| CN1114945A (en) | 1996-01-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |