US3972435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety glass container
Assignee: Yamamura Glass KK
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Filing: 1975-01-07
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Granted: 1976-08-03
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Expires: 1995-01-07
Abstract
Abstract The safety glass container or bottle comprises in combination an elongated cylindrical hollow glass body strengthened chemically by the ion exchange method, a pair of protective cushioning materials consisting of a thermoplastic resin and being provided to encircle the shoulder portion and bottom portion of the glass body and a protective film sheath formed from a heat shrinkable material to encircle the glass body and cushioning materials.
Inventors
- 👤 Takashi Sasaki
- 👤 Masayuki Watanabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:30
CPC Classifications
B; B65; B65D; B65D23/00; B65D23/08; B65D23/0842; B65D23/0878; B65D85/00; B65D85/30; B65D85/307; Y; Y10; Y10S; Y10S215/00; Y10S215/06
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
60 words
A safety glass container comprising in combination an elongated cylindrical hollow glass body strengthened chemically by the ion exchange method, a pair of protective cushioning materials consisting of a thermoplastic resin and encircling the shoulder portion and bottom portion of the glass body and a protective film sheath formed from a heat-shrinkable material encircling the glass body and cushioning materials.
Claim 2
Dependent Claim
60 words
A safety glass container comprising in combination an elongated cylindrical hollow glass body strengthened chemically by the ion exchange method, a pair of protective cushioning materials consisting of a thermoplastic resin and encircling the shoulder portion and bottom portion of the glass body and a protective film sheath formed from a heat-shrinkable material encircling the glass body and cushioning materials.
Claim 3
Dependent Claim
29 words
The safety glass container of claim 1, wherein said thermoplastic resin is selected from the group consisting of polyolefin resins, polyamide resins, vinyl chloride resins, acrylic resins and rubbers.
Claim 4
Dependent Claim
31 words
The safety glass container of claim 2, wherein said polyolefin resin is a member selected from the group consisting of a low pressure process polyethylene, high pressure process polyethylene and polypropylene.
Claim 5
Dependent Claim
13 words
The safety glass container of claim 2, wherein said polyamide resin is nylon.
Claim 6
Dependent Claim
15 words
The safety glass container of claim 2, wherein said vinyl chloride resin is polyvinyl chloride.
Claim 7
Dependent Claim
24 words
The safety glass container of claim 1, wherein said cushioning materials are formed by applying a hot melt of thermoplastic resin to form rings.
Claim 8
Dependent Claim
23 words
The safety glass container of claim 6, wherein said thermoplastic resin is selected from polyolefin resins, acrylic resins, polyamide resins and rubber resins.
Claim 9
Dependent Claim
23 words
The safety glass container of claim 1, wherein said heat-shrinkable material is selected from the group consisting of polyvinyl chloride, polyethylene and polypropylene.
Claim 10
Dependent Claim
20 words
The safety glass container of claim 1, wherein said protective film sheath has a thickness of 0.05 to 0.1 mm.
Claim 11
Dependent Claim
24 words
The safety glass container of claim 1, wherein an aventurine area is provided on at least one of the shoulder portion and bottom portion.
Claim 12
Dependent Claim
26 words
The safety glass container of claim 1, wherein said cushioning materials are thermoplastic resin monofilaments fitted in grooves formed on the shoulder portion and bottom portion.
Claim 13
Dependent Claim
34 words
The safety glass container of claim 1, wherein said protective film sheath is heat-shrunk into contact with a major portion of the side wall and at least a minor portion of the bottom wall.
Claim 14
Dependent Claim
20 words
The safety glass container of claim 1, wherein said glass container is an internal pressure glass bottle for carbonated drinks.
Claim 15
Dependent Claim
22 words
The safety glass container of claim 1, wherein a small gap is formed between the surface of the container and shrunk film.
Claim 16
Dependent Claim
33 words
The safety glass container of claim 14, wherein the small gap is formed by providing a rugged area on the inner surface of the film on or near at least one end thereof.
Claim 17
Dependent Claim
30 words
The safety glass container of claim 14, wherein the small gap is formed by an aventurine area on or near at least one of the neck portion and bottom portion.
Claim 18
Dependent Claim
30 words
The safety glass container of claim 14, wherein the small gap is formed by intermittent adhesive layers on or near at least one of the neck portion and bottom portion.
References Cited (Backward Citations)
US1759176A
Cited
US2103679A
Cited
US3331521A
Cited
US3604584A
Cited
US3698586A
Cited
US3744658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-03 | 1980-02-02 | 1980-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-03 | 1984-02-02 | 1984-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-03 | 1988-02-02 | 1988-08-03 | $7700.00 | Window Closed / Lapsed |