Patent US3675836A successfully refreshed from Google Patents.
US3675836A
Expired / Lapsed
US
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Pull tab machine
Assignee: Deering Milliken Research Corp
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Filing: 1971-01-07
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Granted: 1972-07-11
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Expires: 1991-01-07
Abstract
Abstract An accumulator for a web treating machine which accumulates paper for the next cycle of the machine while the machine is performing an operation on the paper accumulated in the previous cycle.
Inventors
- 👤 William O Young Jr
- 👤 Walter J Quattlebaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:10
CPC Classifications
B; B65; B65H; B65H20/00; B65H20/24; B65H2403/00; B65H2403/70; B65H2403/72
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
108 words
Apparatus to accumulate a predetermined amount of web material, a first clamping means and a second clamping means spaced from said first clamping means, means to open and close said clamping means, a plurality of guide members mounted between said clamping means and being spaced from one another and means to push down a predetermined amount of web material between said guide members when said first clamping means is open, said last mentioned means including a first means to push a certain predetermined amount of said web material and a second means to push a further predetermined amount of web material when said first means has been retracted.
Claim 2
Dependent Claim
108 words
Apparatus to accumulate a predetermined amount of web material, a first clamping means and a second clamping means spaced from said first clamping means, means to open and close said clamping means, a plurality of guide members mounted between said clamping means and being spaced from one another and means to push down a predetermined amount of web material between said guide members when said first clamping means is open, said last mentioned means including a first means to push a certain predetermined amount of said web material and a second means to push a further predetermined amount of web material when said first means has been retracted.
Claim 3
Dependent Claim
12 words
The apparatus of claim 1, wherein said guide members are rotably mounted.
Claim 4
Dependent Claim
24 words
The apparatus of claim 2, wherein said first means and said second means include rollers at the end thereof to contact the web material.
Claim 5
Dependent Claim
29 words
The apparatus of claim 3, wherein a piston is provided to open and close said first clamping means and a cam is provided to actuate said second clamping means.
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) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |