Patent US3857680A successfully refreshed from Google Patents.
US3857680A
Expired / Lapsed
US
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Catalyst cartridge
Assignee: SAES Getters SpA
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Filing: 1971-11-01
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Granted: 1974-12-31
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Expires: 1991-11-01
Abstract
Abstract An arcuately bent, folded catalytic structure having catalyst particles affixed to the surface of thin metallic sheets, the edges of the sheets being thermally adjacent to a source or sink for heat to conduct heat between the catalyst particles and the sink or source to help maintain the catalyst particles in thermal equilibrium.
Inventors
- 👤 P Montalenti
- 👤 A Cantaluppi
- 👤 B Ferrario
- 👤 P Porta
- 👤 T Giorgi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:54
CPC Classifications
B; B01; B01J; B01J12/00; B01J12/007; B01J23/00; B01J23/38; B01J23/48; B01J23/50; B01J35/00; B01J35/30; B01J35/34; B01J35/36; C; C07; C07D; C07D301/00; C07D301/02; C07D301/03; C07D301/04; C07D301/08; C07D301/10; F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/28; F01N3/2803; F01N3/2807; B01J2208/00; B01J2208/00796; B01J2208/00805; B01J2208/00814; B01J2219/00; B01J2219/18; B01J2219/185; B01J2219/24; B01J2219/2401; B01J2219/245; B01J2219/2451; B01J2219/2455; B01J2219/2476; B01J2219/2477; B01J2219/2479; B01J2219/2482; B01J2219/2483; B01J2219/2485; B01J2219/32; B01J2219/324; B01J2219/32466; B01J2219/32475; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49345; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12236; Y10T428/1225
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
105 words
A CATALYST STRUCTURE COMPRISING: A. A THIN SHEET HAVING TWO OPPOSITE SIDES AND BEING FORMED OF A METAL OF GIVEN HARDNESS, B. A GREAT PLURALITY OF CATALYST PARTICLES HAVING A HARDNESS GREATER THAN SAID GIVEN HARDNESS AND BEING PARTIALLY EMBEDDED IN A SURFACE ON EACH OF SAID TWO OPPOSITE SIDE OF SAID SHEET, C. SAID SHEET BEING FOLDED TO FORM A PLURALITY OF SMALLER SHEETS JOINED AT EDGES OF SAID SMALLER SHEETS TO ADJACENT SMALLER SHEETS TO FORM RADIALLY DIPOSED SEGMENTS OF SAID SMALLER SHEETS WHICH ARE ALL ARCUATELY BENT IN THE SAME DIRECTION, WHEREBY ALTERNATE EDGES OF SAID SMALLER SHEETS FORM OUTER EDGES AND
Claim 2
Dependent Claim
105 words
A CATALYST STRUCTURE COMPRISING: A. A THIN SHEET HAVING TWO OPPOSITE SIDES AND BEING FORMED OF A METAL OF GIVEN HARDNESS, B. A GREAT PLURALITY OF CATALYST PARTICLES HAVING A HARDNESS GREATER THAN SAID GIVEN HARDNESS AND BEING PARTIALLY EMBEDDED IN A SURFACE ON EACH OF SAID TWO OPPOSITE SIDE OF SAID SHEET, C. SAID SHEET BEING FOLDED TO FORM A PLURALITY OF SMALLER SHEETS JOINED AT EDGES OF SAID SMALLER SHEETS TO ADJACENT SMALLER SHEETS TO FORM RADIALLY DIPOSED SEGMENTS OF SAID SMALLER SHEETS WHICH ARE ALL ARCUATELY BENT IN THE SAME DIRECTION, WHEREBY ALTERNATE EDGES OF SAID SMALLER SHEETS FORM OUTER EDGES AND
Claim 3
Dependent Claim
56 words
A catalyst structure according to claim 1 wherein said mass further comprises: A. an outer sleeve having a substantially cylindrical inner surface, B) an inside support having a substantially cyclindrical outer surface, said folded sheet being arranged within said outer sleeve with each of said smaller sheets having one edge thermally adjacent to said outer sleeve
Claim 4
Dependent Claim
29 words
A catalyst structure according to claim 2 wherein said sleeve is provided with a gap in a split section of the sleeve, whereby the sleeve can be slightly compressed.
Claim 5
Dependent Claim
27 words
a catalytic structure according to claim 2 wherein said substantially cylindrical inside surface is grooved to receive the edges of said smaller sheets in close thermal contact.
Claim 6
Dependent Claim
58 words
A catalyst structure according to claim 1 wherein said mass further comprises: A. an outer sleeve having a substantially cylindrical inner surface, and B. means for conveying a fluid of a suitable temperature for exchanging heat with said outer sleeve, said folded sheet being arranged in thermal contact with said outer sleeve for said conductive exchange of heat.
Claim 7
Dependent Claim
36 words
A catalyst structure according to claim 1, wherein said mass comprises a plurality of rings thermally adjacent to at least some of said edges, said rings being split to allow said rings to be slightly compressed.
Claim 8
Dependent Claim
109 words
A catalyst structure according to claim 1 wherein said mass further comprises: A. an outer sleeve having a substantially cylindrical inner surface, and the said catalyst structure further comprises: B. an inside support having a subtantially cylindrical outer surface, wherein said radially disposed segments are placed between the outer sleeve and inside support whereby alternate edges of the smaller sheets form outer edges and the remaining edges form inner edges so that at least some of the outer edges are in contact with said inner surface of the outer sleeve and at least some of the inner edges are in contact with said outer surface of the inside support.
Claim 9
Dependent Claim
99 words
a catalyst structure comprising a folded sheet having a great plurality of catalyst particles partially embedded in the surface of the sheet wherein the sheet is folded along lines which are parallel to one another and are perpendicular to the running length of the sheet wherein said lines define radially disposed segments of the sheet which are all arcuately bent in the same direction, whereby said radially disposed segments of the folded sheet are formed into a generally cylindrical shape, the outer extremities of which are in thermal contact with the smooth inner wall of a heat exchanger tube.
Claim 10
Dependent Claim
99 words
a catalyst structure comprising a folded sheet having a great plurality of catalyst particles partially embedded in the surface of the sheet wherein the sheet is folded along lines which are parallel to one another and are perpendicular to the running length of the sheet wherein said lines define radially disposed segments of the sheet which are all arcuately bent in the same direction, whereby said radially disposed segments of the folded sheet are formed into a generally cylindrical shape, the outer extremities of which are in thermal contact with the smooth inner wall of a heat exchanger tube.
Claim 11
Dependent Claim
66 words
A catalyst structure comprising: A. a thin metal sheet folded to form radially disposed segments which are attached to each other at their edges and arcuately bent in the same direction, B. a plurality of catalyst particles embedded in the thin metal sheet, and C. a heat exchanger encircling the radially disposed segments whereby the heat exchanger is in thermal contact with the radially disposed segments.
Claim 12
Dependent Claim
66 words
A catalyst structure comprising: A. a thin metal sheet folded to form radially disposed segments which are attached to each other at their edges and arcuately bent in the same direction, B. a plurality of catalyst particles embedded in the thin metal sheet, and C. a heat exchanger encircling the radially disposed segments whereby the heat exchanger is in thermal contact with the radially disposed segments.
Claim 13
Dependent Claim
61 words
A catalyst structure comprising: A. A thin metal sheet folded to form arcuately bent radially disposed segments which are attached to each other at their edges, B. a plurality of catalyst particles embedded in the thin metal sheet, and C. a heat exchanger encircling the radially disposed segments whereby the heat exchanger is in thermal contact with the radially disposed segments.
Claim 14
Dependent Claim
61 words
A catalyst structure comprising: A. A thin metal sheet folded to form arcuately bent radially disposed segments which are attached to each other at their edges, B. a plurality of catalyst particles embedded in the thin metal sheet, and C. a heat exchanger encircling the radially disposed segments whereby the heat exchanger is in thermal contact with the radially disposed segments.
References Cited (Backward Citations)
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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) | 1977-12-30 | 1978-07-01 | 1978-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-30 | 1982-07-01 | 1982-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-30 | 1986-07-01 | 1986-12-31 | $7700.00 | Window Closed / Lapsed |