US4149645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic article and method for making same
Assignee: National Can Corp
•
Filing: 1977-12-15
•
Granted: 1979-04-17
•
Expires: 1997-12-15
Abstract
Abstract Multilayered, hollow plastic articles and method for making same are disclosed. The articles have a base portion, integral side walls and an integral open neck or rim portion. The articles also have an inner first layer of thermoplastic material and an outer second layer of pressure molded, thermoplastic material, wherein the inner layer includes a heat absorbing and/or dissipating base portion.
Inventors
- 👤 Emery I. Valyi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:05
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/14; B29C45/14836; B29C49/00; B29C49/071; B65; B65D; B65D23/00; B65D23/02; B29C49/20; B29C2049/2017; B29C2949/00; B29C2949/07; B29C2949/0715; B29C2949/072; B29C2949/0725; B29C2949/076; B29C2949/0768; B29C2949/077; B29C2949/0772; B29C2949/0773; B29C2949/078; B29C2949/0781; B29C2949/20; B29C2949/22; B29C2949/30; B29C2949/3008; B29C2949/3009; B29C2949/3016; B29C2949/302; B29C2949/3024; B29C2949/3026; B29C2949/3032; B29C2949/3034; B29C2949/3064; B29C2949/3074; B29C2949/3082; B29C2949/3084; B29C49/02; B29C49/06; B29K; B29K2105/00; B29K2105/25; B29K2105/253; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1355; Y10T428/31504; Y10T428/31507; Y10T428/3154; Y10T428/31544; Y10T428/31678; Y10T428/31692; Y10T428/31699; Y10T428/31786
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
75 words
A multilayered, hollow plastic article having a base portion, integral side walls, and an integral open neck or rim portion, said article having an inner first layer of thermoplastic material, and an outer second layer of pressure molded, thermoplastic material, wherein the base portion of the inner first layer is thickened by including a separate and dissimilar member which is a heat absorbing or dissipating member adhered to the base of the inner first layer.
Claim 2
Dependent Claim
75 words
A multilayered, hollow plastic article having a base portion, integral side walls, and an integral open neck or rim portion, said article having an inner first layer of thermoplastic material, and an outer second layer of pressure molded, thermoplastic material, wherein the base portion of the inner first layer is thickened by including a separate and dissimilar member which is a heat absorbing or dissipating member adhered to the base of the inner first layer.
Claim 3
Dependent Claim
26 words
An article according to claim 1 wherein said member is selected from the group consisting of aluminum or aluminum base alloys, polycarbonates, polyesters, nylon and teflon.
Claim 4
Dependent Claim
21 words
An article according to claim 1 wherein said article is a multilayered, hollow plastic container exhibiting the characteristics of blow orientation.
Claim 5
Dependent Claim
14 words
An article according to claim 1 wherein said inner and outer layers are seamless.
Claim 6
Dependent Claim
24 words
An article according to claim 1 wherein said inner and outer layers are adhered one to the other substantially over their entire contacting areas.
Claim 7
Dependent Claim
29 words
An article according to claim 1 including peripherally extending side walls extending upward from the base portion and terminating at the upper end in said open neck or rim.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-16 | 1982-10-16 | 1983-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-16 | 1986-10-16 | 1987-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-16 | 1990-10-16 | 1991-04-17 | $7700.00 | Window Closed / Lapsed |