US4284398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the manufacture of a foam material ball with an embossed surface
Assignee: Metzeler Schaum GmbH
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Filing: 1980-01-30
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Granted: 1981-08-18
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Expires: 2000-01-30
Abstract
Abstract Method for the manufacture of a ball formed of foam material with surface embossing corresponding to a soccer ball, which includes subdividing the surface of the ball into a plurality of equilateral polygons, and embossing the contour of at least one polygon into the surface of the ball in stages.
Inventors
- 👤 Horst Bokelmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:08
CPC Classifications
A; A63; A63B; A63B45/00; A63B45/02; B; B29; B29C; B29C59/00; B29C59/02; B41; B41F; B41F17/00; B41F17/30; B29K; B29K2105/00; B29K2105/04; Y; Y10; Y10S; Y10S273/00; Y10S273/02
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
109 words
Apparatus for burning depressions into the surface of a spherical foam material body, comprising in a ring-shaped tool holder, a plurality of electrically heatable burn-in tools having suitably formed depressions and being disposed about said ring-shaped tool holder at angles relative to each other, said embossing tools being movable toward the center of said ring-shaped tool holder, a nest being disposed in said ring-shaped tool holder, movable in radial direction of said ring-shaped tool holder and having a spherically-cupped end surface, and a pin being disposed diametrically opposite said nest for fixing the spherical foam material body in a work position, said nest being rotatable about its longitudinal axis.
Claim 2
Dependent Claim
109 words
Apparatus for burning depressions into the surface of a spherical foam material body, comprising in a ring-shaped tool holder, a plurality of electrically heatable burn-in tools having suitably formed depressions and being disposed about said ring-shaped tool holder at angles relative to each other, said embossing tools being movable toward the center of said ring-shaped tool holder, a nest being disposed in said ring-shaped tool holder, movable in radial direction of said ring-shaped tool holder and having a spherically-cupped end surface, and a pin being disposed diametrically opposite said nest for fixing the spherical foam material body in a work position, said nest being rotatable about its longitudinal axis.
Claim 3
Dependent Claim
9 words
Apparatus according to claim 1, including four embossing tools.
Claim 4
Dependent Claim
40 words
Apparatus according to claim 2, wherein each burn-in head is in the form of a regular pentagon having extensions leading from the corners thereof, said extensions being of equal length to half the length of the edges of the pentagon.
Claim 5
Dependent Claim
18 words
Apparatus according to claim 2, wherein said pin is movable in radial direction of said ring-shaped tool holder.
Claim 6
Dependent Claim
52 words
Apparatus according to claim 3 or 4, wherein said ring-shaped tool holder includes an inclined ball feed guide disposed on one side of said ring-shaped tool holder, closable means for feeding balls disposed on said ball feed guide, and a ball removal guide disposed on another side of said ring-shaped tool holder.
Claim 7
Dependent Claim
37 words
Apparatus according to claim 5, including ring-means concentrically disposed on said nest for catching a ball which has rolled off said ball feed guide, said ring means being movable in radial direction of said ring-shaped tool holder.
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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) | 1984-08-17 | 1985-02-16 | 1985-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-08-17 | 1989-02-16 | 1989-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-08-17 | 1993-02-16 | 1993-08-18 | $7700.00 | Window Closed / Lapsed |