US3986447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Padding press
Assignee: Zimmer Industries Inc
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Filing: 1975-02-10
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Granted: 1976-10-19
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Expires: 1995-02-10
Abstract
Abstract An improved padding press for holding under pressure a plurality of sheets of paper and cardboard backers while the backs are being glued together to form individual pads, providing a support rack, a pressing mechanism and a plurality of insertable padding racks which enable said support rack and pressing mechanism to be utilized continuously in the padding process. While pads in one insertable padding rack are being glued and dried, another batch can be aligned and pressed in another insertable padding rack.
Inventors
- 👤 Edwin F. Zimmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:12
CPC Classifications
B; B42; B42C; B42C9/00; B42C9/0006; B42C9/0043
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
167 words
An improved padding press for pressing and holding under pressure a plurality of pads while the back edges are being glued comprising in combination: a support rack including two side walls, an upwardly extending rear wall and a base plate; said rear wall having alignment edges secured thereto, a paper pressing mechanism rotatably mounted on said supporting rack including a mounting bar, a pair of handle arms rotatably secured to said mounting bar, a handle mounted to said handle arms, two pressing plate arms rotatably mounted on said handle arms, a pressure plate rotatably mounted on said pressure plate arms; an insertable padding rack including a base plate, notched to fit within said alignment edges of said support rack, two vertical bars attached to said base plate, a notched pressure plate to fit over said base plate and slidably received over said vertical bars through two aperatures in said pressure plate, two adjustable O-rings slidably received over said vertical bars to retain said pressure plate in position.
Claim 2
Dependent Claim
167 words
An improved padding press for pressing and holding under pressure a plurality of pads while the back edges are being glued comprising in combination: a support rack including two side walls, an upwardly extending rear wall and a base plate; said rear wall having alignment edges secured thereto, a paper pressing mechanism rotatably mounted on said supporting rack including a mounting bar, a pair of handle arms rotatably secured to said mounting bar, a handle mounted to said handle arms, two pressing plate arms rotatably mounted on said handle arms, a pressure plate rotatably mounted on said pressure plate arms; an insertable padding rack including a base plate, notched to fit within said alignment edges of said support rack, two vertical bars attached to said base plate, a notched pressure plate to fit over said base plate and slidably received over said vertical bars through two aperatures in said pressure plate, two adjustable O-rings slidably received over said vertical bars to retain said pressure plate in position.
Claim 3
Dependent Claim
33 words
An improved padding press as defined in claim 1 wherein the base plate and the upwardly extending rear wall of said support rack slant rearwardly to retain more securely the insertable padding rack.
Claim 4
Dependent Claim
62 words
The improved padding press as defined in claim 1 wherein said pressing mechanism is secured to the reverse side of said rear wall of said support rack and said rear wall of said support rack has two slots therein to permit the handle arms of said pressing mechanism to be rotated freely from the front to the rear of said support rack.
Claim 5
Dependent Claim
44 words
The improved padding press of claim 1 wherein said pressing mechanism includes a plurality of circular aperatures along the length of said pressure arms to permit the length of said arms to be adjusted to varying thicknesses of batches of paper to be pressed.
Claim 6
Dependent Claim
65 words
The improved padding press of claim 1 wherein the base plate of said padding insert rack extends slightly beyond the side edges of said base plate of said support rack and has feet on the bottom side of its base plate to align said padding insert rack on said support rack and to permit said padding insert rack to stand freely in level upright position.
References Cited (Backward Citations)
US2499744A
Cited
US2708400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-10-19 | 1980-04-19 | 1980-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-19 | 1984-04-19 | 1984-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-19 | 1988-04-19 | 1988-10-19 | $7700.00 | Window Closed / Lapsed |