Patent US5059464A successfully refreshed from Google Patents.
US5059464A
Expired / Lapsed
US
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Phenol resin toothed wheel and a method of producing the same
Assignee: Resonac Corp
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Filing: 1990-03-13
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Granted: 1991-10-22
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Expires: 2010-03-13
Abstract
Abstract A phenol resin toothed wheel having a toothed portion formed of meta-aromatic polyamide fiber spun cloth impregnated with phenol resin blended with epoxy resin.
Inventors
- 👤 Mitsuzo Mikuni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:27
CPC Classifications
B; B29; B29D; B29D15/00; F; F16; F16H; F16H55/00; F16H55/02; F16H55/06; Y; Y10; Y10S; Y10S74/00; Y10S74/10; Y10T; Y10T428/00; Y10T428/21; Y10T428/219; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/19944; Y10T74/19949; Y10T74/19963; Y10T74/19972
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
49 words
A phenol resin toothed wheel having a toothed portion formed of a moulded part of phenol resin impregnated with reinforcing material and thermally pressurized, said toothed wheel characterized in that said reinforcing material is meta-aromatic polyamide fiber spun cloth and that said phenol resin is impregnated with epoxy resin.
Claim 2
Dependent Claim
49 words
A phenol resin toothed wheel having a toothed portion formed of a moulded part of phenol resin impregnated with reinforcing material and thermally pressurized, said toothed wheel characterized in that said reinforcing material is meta-aromatic polyamide fiber spun cloth and that said phenol resin is impregnated with epoxy resin.
Claim 3
Dependent Claim
20 words
A phenol resin toothed wheel as set forth in claim 1, and wherein said meta-aromatic polyamide fiber has longitudinal wrinkles.
Claim 4
Independent Claim
123 words
A method of producing a phenol resin toothed wheel comprising the steps of; impregnating meta-aromatic polyamide fiber spun cloth with phenol resin blended with epoxy resin; cutting said meta-aromatic polyamide fiber spun cloth into cloth pieces having a predetermined size after said phenol resin blended with epoxy resin is dried; rolling up said cloth pieces into rods while they are heated and deforming said rods into rings; loading at least one of said rings together with moulding material for a web and a boss and a bush in a mould and thermally forming them in a pressurized manner to produce a moulded part and forming teeth by mechanically working on said ring of said moulded part to produce said phenol resin toothed wheel.
Claim 5
Independent Claim
123 words
A method of producing a phenol resin toothed wheel comprising the steps of; impregnating meta-aromatic polyamide fiber spun cloth with phenol resin blended with epoxy resin; cutting said meta-aromatic polyamide fiber spun cloth into cloth pieces having a predetermined size after said phenol resin blended with epoxy resin is dried; rolling up said cloth pieces into rods while they are heated and deforming said rods into rings; loading at least one of said rings together with moulding material for a web and a boss and a bush in a mould and thermally forming them in a pressurized manner to produce a moulded part and forming teeth by mechanically working on said ring of said moulded part to produce said phenol resin toothed wheel.
Claim 6
Dependent Claim
48 words
A method of producing a phenol resin toothed wheel as set forth in claim 3, and wherein said meta-aromatic polyamide fiber spun cloth is cut so as to form a rhomboid having a longitudinal side inclined relative to the warp of said spun cloth, but not perpendicular thereto.
Claim 7
Dependent Claim
35 words
A method of producing a phenol resin toothed wheel as set forth in claim 4, and wherein said cloth pieces of rhomboid are rolled up about an axis of said longitudinal side of said rhomboid.
References Cited (Backward Citations)
US4458547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-10-21 | 1995-04-22 | 1995-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-10-21 | 1999-04-22 | 1999-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-10-21 | 2003-04-22 | 2003-10-22 | $7700.00 | Window Closed / Lapsed |