Patent US3910547A successfully refreshed from Google Patents.
US3910547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for the manufacture of an article with relief features
Assignee: Individual
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Filing: 1973-10-15
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Granted: 1975-10-07
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Expires: 1993-10-15
Abstract
Abstract A mold and coloring frame for use in manufacturing for forming cast decorated objects, the mold comprises a base having a raised peripheral wall, strips within said wall secured to the base, and a smooth flexible film tautly disposed over the peripheral wall so that when casting material is poured onto the film it will depress the film below the strips so that impressions of the strips are formed in the surface of the panels. A frame including flexible pads being placed on top of the film after coloring is applied thereto, and removed after the casting material has been poured onto the mold.
Inventors
- 👤 Angelo Varriano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:59
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/0064; B28B7/06; B28B7/34
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
112 words
A mold insert which in combination with a supporting table defines a mold cavity, said mold insert comprising a rigid base having side walls perpendicular to said base at a periphery thereof, a plurality of elongated feature strips of rectangular cross section arranged within said side walls and bonded to said base, the height of said feature strips being at least equal to the height of said side walls, a transparent, resilient, tear resistant molding film stretched over and supported by said feature strips and side walls said molding film being fixedly secured to said side walls and curving downwardly over the outer edge of said side walls and underneath the base.
Claim 2
Dependent Claim
112 words
A mold insert which in combination with a supporting table defines a mold cavity, said mold insert comprising a rigid base having side walls perpendicular to said base at a periphery thereof, a plurality of elongated feature strips of rectangular cross section arranged within said side walls and bonded to said base, the height of said feature strips being at least equal to the height of said side walls, a transparent, resilient, tear resistant molding film stretched over and supported by said feature strips and side walls said molding film being fixedly secured to said side walls and curving downwardly over the outer edge of said side walls and underneath the base.
Claim 3
Dependent Claim
12 words
A mold insert according to claim 1 wherein said base is transparent.
Claim 4
Dependent Claim
22 words
A mold insert according to claim 1 wherein some of said strips are of a greater height than other of said strips.
Claim 5
Dependent Claim
21 words
A mold insert according to claim 1 wherein some of said strips are of a different height than said side walls.
Claim 6
Dependent Claim
210 words
Mold apparatus for forming cast objects comprising a supporting table having an opening in the center thereof, said opening having a supporting ledge and vertical sides, a mold insert in said opening removably supported and contained by said supporting ledge and vertical sides, said mold insert comprising; a rigid base having vertical side walls perpendicular to said base at a periphery thereof, a plurality of elongated feature strips of rectangular cross section arranged within said side walls and bonded to said base, the height of said feature strips being at least equal to the height of said mold insert side walls, but less than the height of the vertical sides of said opening, a transparent, resilient, tear and resistant molding film stretched over and supported by said feature strips and side walls, said molding film being fixedly secured to said side walls and curving downwardly over the outer edge of said side walls and underneath the base; wherein the vertical sides of said opening engage the molding film secured to the peripheral side walls of said mold insert, the vertical sides of said opening above the peripheral side walls and feature strips of said mold insert in combination with said molding film forming a mold cavity for receiving casting material.
Claim 7
Dependent Claim
210 words
Mold apparatus for forming cast objects comprising a supporting table having an opening in the center thereof, said opening having a supporting ledge and vertical sides, a mold insert in said opening removably supported and contained by said supporting ledge and vertical sides, said mold insert comprising; a rigid base having vertical side walls perpendicular to said base at a periphery thereof, a plurality of elongated feature strips of rectangular cross section arranged within said side walls and bonded to said base, the height of said feature strips being at least equal to the height of said mold insert side walls, but less than the height of the vertical sides of said opening, a transparent, resilient, tear and resistant molding film stretched over and supported by said feature strips and side walls, said molding film being fixedly secured to said side walls and curving downwardly over the outer edge of said side walls and underneath the base; wherein the vertical sides of said opening engage the molding film secured to the peripheral side walls of said mold insert, the vertical sides of said opening above the peripheral side walls and feature strips of said mold insert in combination with said molding film forming a mold cavity for receiving casting material.
References Cited (Backward Citations)
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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) | 1978-10-06 | 1979-04-07 | 1979-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-06 | 1983-04-07 | 1983-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-06 | 1987-04-07 | 1987-10-07 | $7700.00 | Window Closed / Lapsed |