US3561629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated or coated blow molded containers
Assignee: Continental Can Co Inc
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Filing: 1969-02-17
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Granted: 1971-02-09
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Expires: 1989-02-17
Abstract
Abstract This invention relates to novel blow molded laminated plastic containers formed by extruding a composite plastic tube and expanding the same to a desired configuration within a blow mold cavity, each container including a body wall terminating at one end in a neck and at an opposite end in a bottom wall, a line of flash traversing the bottom wall, the line of flash including a pinched-off portion, the body wall being composed of a plurality of laminates, and the pinched-off portion being composed of at least one less wall than the number of laminates forming the body wall.
Inventors
- 👤 Howard M Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:19
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/02; B65D1/0207; B65D1/0215; B65D1/0223; B65D1/023; B65D1/0238
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
73 words
A blow molded laminated plastic container comprising a body wall terminating at one end in a neck and at an opposite end in a bottom wall, a line of flash traversing said bottom wall, said line of flash including a pinched-off portion, said body wall being composed of a plurality of laminates, and said pinched-off portion being composed of at least one less wall than the number of laminates forming said body wall.
Claim 2
Dependent Claim
73 words
A blow molded laminated plastic container comprising a body wall terminating at one end in a neck and at an opposite end in a bottom wall, a line of flash traversing said bottom wall, said line of flash including a pinched-off portion, said body wall being composed of a plurality of laminates, and said pinched-off portion being composed of at least one less wall than the number of laminates forming said body wall.
Claim 3
Dependent Claim
52 words
The blow molded laminated plastic container as defined in claim 1 wherein said neck is closed by a wall which includes a transverse line of flash having a pinched-off portion, and said last-mentioned pinched-off portion is composed of at least one less wall than the number of laminates forming said body wall.
Claim 4
Dependent Claim
22 words
The blow molded laminated plastic container as defined in claim 1 wherein said pinched-off portion is composed of but a single laminate.
Claim 5
Dependent Claim
48 words
The blow molded laminated plastic container as defined in claim 1 wherein said plurality of laminates include an inner ply and an outer ply, and one of said plies terminates in said bottom wall short of said line of flash and in encircling relationship to said pinched-off portion.
Claim 6
Dependent Claim
51 words
The blow molded laminated plastic container as defined in claim 1 including an annular shoulder between said neck and said body wall, said plurality of laminates include an inner ply and an outer ply, and one of said plies terminates in said annular shoulder and in encircling relationship to said neck.
Claim 7
Dependent Claim
44 words
The blow molded laminated plastic container as defined in claim 1 wherein said pinched-off portion is composed of at least two laminates which are readily cross-fusible to each other, and said plurality of body wall laminates include a laminate sandwiched between said cross-fusible laminates.
Claim 8
Dependent Claim
48 words
The blow molded laminated plastic container as defined in claim 2 wherein said plurality of laminates include an inner ply and an outer ply, and one of said plies terminates at axially opposite ends short of said lines of flash and in encircling relationship to said pinched-off portions.
Claim 9
Dependent Claim
62 words
The blow molded laminated plastic container as defined in claim 2 including an annular shoulder between said neck and said body wall, said plurality of laminates include inner, intermediate and outer plies, said inner and outer walls being cross-fused directly to each other at said pinched-off portions, and said intermediate ply terminates short of and in encircling relationship to said pinched-off portions.
Claim 10
Dependent Claim
29 words
The blow molded laminated plastic container as defined in claim 8 wherein said intermediate ply terminates at axially opposite ends thereof in said annular shoulder and said bottom wall.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |