US3596316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blow-molding apparatus
Assignee: Xerox Corp
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Filing: 1968-09-04
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Granted: 1971-08-03
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Expires: 1988-09-04
Abstract
Abstract A flexible one-piece liner of elastomer material insertable in a blow-molding cavity, the internal surface of the liner conforming to the shape and texture of the article to be blow molded. After molding, the liner is deformed sufficiently to permit the molded article to be separated therefrom.
Inventors
- 👤 Richard C Palermo
- 👤 Charles Dolcimascolo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:41
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/48; B29C37/00; B29C37/0003; B29C39/00; B29C39/02; B29C39/028; B29K; B29K2883/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A liner for use in a blow-molding apparatus having a rigid support member with a molding cavity for receiving the liner comprising: a one-piece member made of a deformable elastomer material being substantially noncompressible at blow-molding conditions; said member having an internal surface precast to the shape and texture of the article to be blow molded in the apparatus; and said member having an external surface being contiguous with the walls of the cavity in the rigid support member.
Claim 2
Dependent Claim
50 words
The apparatus of claim 1 including a guide meMber in said rigid support member; and means positioned on the exterior surface of said flexible liner being capable of mating with said guide member for grasping and mechanically deforming said liner to effect separation of the blow-molded article from said liner.
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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |