Patent US293594A successfully refreshed from Google Patents.
Patent US3334612A successfully refreshed from Google Patents.
US3334612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for applying hot melt adhesives
Assignee: Procter and Gamble Co
•
Filing: 1966-10-06
•
Granted: 1967-08-08
•
Expires: 1986-10-06
Abstract
No abstract record available.
Inventors
- 👤 Malcolm B Lucas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:02
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/32; D21H23/34; D21H23/36; B; B05; B05C; B05C1/00; B05C1/04; B05C1/08; B05C1/0826; D21H23/52; D21H23/56; D21H5/00; D21H5/0005; D21H5/0025; D21H5/003; B05C11/00; B05C11/10; B05C11/1042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
AN APPARATUS FOR APPLYING MOLTEN THERMOPLASTIC ADHESIVE COMPRISING THE COMBINATION OF A MOUNTING BLOCK, AN APPLICATOR WHEEL JOURNALED IN THE BLOCK FOR TRANSFERRING A MOLTEN THERMOPLASTIC ADHESIVE BY CONTACT WITH A PIECE OF WORK MOVING BENEATH SAID WHEEL, AN ADHESIVE RESERVOIR FORMED IN SAID BLOCK AT ONE SIDE OF SAID WHEEL, SAID RESERVOIR INCLUDING A PAIR OF OPPOSED WIPER ELEMENTS MOUNTED IN CONTIGUOUS RELATIONSHIP TO OPPOSITE SIDES OF SAID WHEEL AND A SLOTTED DOCTOR BLADE ADJUSTABLE MOUNTED BELOW SAID WIPER ELEMENTS AND FORMING THE BOTTOM OF SAID RESERVOIR, SAID APPLICATOR WHEEL BEING JOURNALED IN SAID MOUNTING BLOCK SUCH THAT THE OUTER EDGE OF SAID APPLICATOR WHEEL MOVES THROUGH SAID SLOT IN SAID DOCTOR BLADE, MEANS FOR MOVING SAID DOCTOR BLADE TO ADJUST THE THICKNESS OF ADHESIVE ON SAID APPLICATOR WHEEL PERIPHERY WHEN IT EMERGES FROM AID RESERVOIR, A NARROW ARCUATE PASSAGEWAY FORMED ABOVE THE PERIPHERY OF SAID WHEEL TO FORM A CONTROLLED PATH FOR RETURN OF EXCESS ADHESIVE TO SAID RESERVOIR, AND ADHESIVE STRING BREAKER MEANS MOUNTED IN CONTIGUOUS RELATIONSHIP TO THE PERIPHERY OF THE APPLICATOR WHEEL BEYOND THE CONTACT AREA BETWEEN THE WHEEL AND THE PIECE OF WORK.
Claim 2
Independent Claim
189 words
AN APPARATUS FOR APPLYING MOLTEN THERMOPLASTIC ADHESIVE COMPRISING THE COMBINATION OF A MOUNTING BLOCK, AN APPLICATOR WHEEL JOURNALED IN THE BLOCK FOR TRANSFERRING A MOLTEN THERMOPLASTIC ADHESIVE BY CONTACT WITH A PIECE OF WORK MOVING BENEATH SAID WHEEL, AN ADHESIVE RESERVOIR FORMED IN SAID BLOCK AT ONE SIDE OF SAID WHEEL, SAID RESERVOIR INCLUDING A PAIR OF OPPOSED WIPER ELEMENTS MOUNTED IN CONTIGUOUS RELATIONSHIP TO OPPOSITE SIDES OF SAID WHEEL AND A SLOTTED DOCTOR BLADE ADJUSTABLE MOUNTED BELOW SAID WIPER ELEMENTS AND FORMING THE BOTTOM OF SAID RESERVOIR, SAID APPLICATOR WHEEL BEING JOURNALED IN SAID MOUNTING BLOCK SUCH THAT THE OUTER EDGE OF SAID APPLICATOR WHEEL MOVES THROUGH SAID SLOT IN SAID DOCTOR BLADE, MEANS FOR MOVING SAID DOCTOR BLADE TO ADJUST THE THICKNESS OF ADHESIVE ON SAID APPLICATOR WHEEL PERIPHERY WHEN IT EMERGES FROM AID RESERVOIR, A NARROW ARCUATE PASSAGEWAY FORMED ABOVE THE PERIPHERY OF SAID WHEEL TO FORM A CONTROLLED PATH FOR RETURN OF EXCESS ADHESIVE TO SAID RESERVOIR, AND ADHESIVE STRING BREAKER MEANS MOUNTED IN CONTIGUOUS RELATIONSHIP TO THE PERIPHERY OF THE APPLICATOR WHEEL BEYOND THE CONTACT AREA BETWEEN THE WHEEL AND THE PIECE OF WORK.
References Cited (Backward Citations)
US1800510A
Cited
US2162781A
Cited
US2622557A
Cited
US2868160A
Cited
US2726629A
Cited
US2787241A
Cited
US3255727A
Cited
US3272177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |