US4119484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing a design on a flat or arcuate surface
Assignee: MBI Inc
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Filing: 1977-01-07
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Granted: 1978-10-10
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Expires: 1997-01-07
Abstract
Abstract Method and apparatus for producing a design on a flat or arcuate image surface by projecting from a rectangularly disposed design and etching and/or selective plating. The design is transferred to the image surface by passing radially columnated light through a rectangular transparency bearing the design and formed into a cylinder and then redirecting the columnated light such that all areas of the design are projected upon and received by corresponding areas of the image surface which is or has been photosensitized. The design appears on a flat image surface in a foreshortened circular form, and is adapted for subsequent formation into an arcuate surface bearing the design in undistorted form. The design also may be projected directly upon an arcuate image surface in undistorted form.
Inventors
- 👤 Murray M. Schiffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:38
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/20; G03F7/24; G03C; G03C5/00; G03C5/08
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
151 words
A method of producing a polar-coordinate design on a flat image surface from a rectangular-coordinate design, comprising: (a) forming the design in undistorted rectangular-coordinate form upon a flat transparency; (b) forming the flat transparency into a cylindrical shape; (c) simultaneously exposing images of the transparency to radially and inwardly directed light; (d) redirecting the light passing through the transparency perpendicular to the radial light paths whereby corresponding images of the design are projected in a column and in polar-coordinate form; (e) providing the flat image surface with a photosensitive coating; (f) disposing the flat image surface substantially perpendicular to the light in the column and with its center coincident with the axis of the columnated projection, such that the design image is exposed in distorted polar-coordinate form upon the photosensitized image surface; and (g) processing the exposed coating on the flat image surface to selectively produce the design upon the surface.
Claim 2
Independent Claim
151 words
A method of producing a polar-coordinate design on a flat image surface from a rectangular-coordinate design, comprising: (a) forming the design in undistorted rectangular-coordinate form upon a flat transparency; (b) forming the flat transparency into a cylindrical shape; (c) simultaneously exposing images of the transparency to radially and inwardly directed light; (d) redirecting the light passing through the transparency perpendicular to the radial light paths whereby corresponding images of the design are projected in a column and in polar-coordinate form; (e) providing the flat image surface with a photosensitive coating; (f) disposing the flat image surface substantially perpendicular to the light in the column and with its center coincident with the axis of the columnated projection, such that the design image is exposed in distorted polar-coordinate form upon the photosensitized image surface; and (g) processing the exposed coating on the flat image surface to selectively produce the design upon the surface.
Claim 3
Dependent Claim
23 words
A method according to claim 1 further comprising repeating each of the steps thereof to produce a second design upon the image surface.
Claim 4
Dependent Claim
29 words
A method according to claim 1 further comprising forming said flat image surface into an arcuate surface bearing the design restored to relatively undistorted, rectangular-coordinate disposition in arcuate form.
Claim 5
Dependent Claim
78 words
A method according to claim 1 further comprising: (h) applying the flat image surface bearing the polar-coordinate design to a flat base of substantially the same dimensions; (i) providing the flat base with a photosensitive coating; (j) exposing the flat image surface and the flat base to a light source to transfer the design from the flat image surface to the flat base; and (k) processing the exposed coating on the flat base to produce the design thereon.
Claim 6
Dependent Claim
28 words
A method according to claim 4 further comprising forming said flat base into an arcuate surface bearing the design restored to relatively undistorted, rectangular-coordinate disposition in arcuate form.
Claim 7
Independent Claim
65 words
A method of transferring a design from a flat form to a surface, comprising simultaneously projecting undistorted image areas of the design inwardly and in a radial direction from a flat rectangular transparency formed into a cylindrical shape, and redirecting the path of projection substantially perpendicular to the radial projection path such that the design image areas are projected in distorted form toward the surface.
Claim 8
Independent Claim
65 words
A method of transferring a design from a flat form to a surface, comprising simultaneously projecting undistorted image areas of the design inwardly and in a radial direction from a flat rectangular transparency formed into a cylindrical shape, and redirecting the path of projection substantially perpendicular to the radial projection path such that the design image areas are projected in distorted form toward the surface.
Claim 9
Dependent Claim
39 words
A method according to claim 6 further comprising redirecting the path of projection from the surface such that the design image areas are projected upon and received by corresponding areas of an arcuate image surface in relatively undistorted form.
Claim 10
Independent Claim
72 words
A method of transferring a design from a flat rectangular-coordinate form to an image surface, comprising projecting images of the design radially from a flat rectangular-coordinate surface formed into a cylindrical shape by exposing the images to radially directed light, and redirecting the path of projection substantially perpendicular to the radii of the cylindrical shape such that the design images are projected upon and received by corresponding areas of the image surface.
Claim 11
Independent Claim
72 words
A method of transferring a design from a flat rectangular-coordinate form to an image surface, comprising projecting images of the design radially from a flat rectangular-coordinate surface formed into a cylindrical shape by exposing the images to radially directed light, and redirecting the path of projection substantially perpendicular to the radii of the cylindrical shape such that the design images are projected upon and received by corresponding areas of the image surface.
Claim 12
Dependent Claim
13 words
A method according to claim 8, wherein the design images are projected simultaneously.
Claim 13
Dependent Claim
23 words
A method according to claim 8, wherein the image surface is a flat surface and the design is received thereon in polar-coordinate form.
Claim 14
Dependent Claim
25 words
A method according to claim 8, wherein the image surface is an arcuate surface and the design is received thereon in relatively undistorted, rectangular-coordinate form.
Claim 15
Dependent Claim
33 words
A method according to claim 8, wherein the image surface is a flat surface, and further comprising forming the flat surface into an arcuate shape bearing the design in relatively undistorted, rectangular-coordinate form.
Claim 16
Dependent Claim
23 words
A method according to claim 8, further comprising repeating each of the steps thereof to produce a second design upon the image surface.
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) | 1981-10-09 | 1982-04-10 | 1982-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-10-09 | 1986-04-10 | 1986-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-10-09 | 1990-04-10 | 1990-10-10 | $7700.00 | Window Closed / Lapsed |