US3667571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound-insulating device for noisy apparatus
Assignee: Individual
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Filing: 1971-05-17
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Granted: 1972-06-06
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Expires: 1991-05-17
Abstract
Abstract Sound-insulating device for apparatus generating intensive noise comprising a series of n impervious enclosures of increasing dimensions, the first enclosure having the smallest dimensions enclosing completely and directly the said apparatus, the second enclosure surrounding at least partially the first enclosure and so on, the means for securing the apparatus to the first enclosure and the means for securing the enclosures to one another being constituted by vibration-damping members.
Inventors
- 👤 Robert Fattelay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:29
CPC Classifications
F; F01; F01B; F01B31/00; F01B31/005; E; E21; E21B; E21B7/00; E21B7/02; E21B7/025; Y; Y10; Y10S; Y10S173/00; Y10S173/02
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
83 words
Sound-insulating device for apparatus generating intensive noise, such as drilling machines and hammer drills operating on compressed air and provided wIth a drilling rod, comprising a series of n impervious enclosures of increasing dimensions, the first enclosure having the smallest dimensions enclosing completely and directly the said apparatus, the second enclosure surrounding at least partially said first enclosure and so on, first vibration-damping members for securing said apparatus to said first enclosure and further vibration-damping members for securing said enclosures to one another.
Claim 2
Dependent Claim
83 words
Sound-insulating device for apparatus generating intensive noise, such as drilling machines and hammer drills operating on compressed air and provided wIth a drilling rod, comprising a series of n impervious enclosures of increasing dimensions, the first enclosure having the smallest dimensions enclosing completely and directly the said apparatus, the second enclosure surrounding at least partially said first enclosure and so on, first vibration-damping members for securing said apparatus to said first enclosure and further vibration-damping members for securing said enclosures to one another.
Claim 3
Dependent Claim
22 words
Device according to claim 1, wherein said first enclosure is provided with air-pressure reducing means by which it communicates with the atmosphere.
Claim 4
Dependent Claim
40 words
Device according to claim 1, wherein each one of said enclosures is provided with vent means by which it communicates with the following enclosure, the last enclosure being provided with air-pressure reducer means by which it communicates with the atmosphere.
Claim 5
Dependent Claim
81 words
Sound-insulating device for apparatus generating intensive noise, such as drilling machines and hammer drills operating on compressed air and provided with a drilling rod comprising an inner cylindrical enclosure having a bottom wall and enclosing said apparatus, an outer cylindrical enclosure surrounding partially said inner enclosure, first damping blocks made from resilient material for securing said apparatus to said inner cylindrical enclosure and second damping blocks made from resilient material for securing said inner cylindrical enclosure to said outer cylindrical enclosure.
Claim 6
Dependent Claim
81 words
Sound-insulating device for apparatus generating intensive noise, such as drilling machines and hammer drills operating on compressed air and provided with a drilling rod comprising an inner cylindrical enclosure having a bottom wall and enclosing said apparatus, an outer cylindrical enclosure surrounding partially said inner enclosure, first damping blocks made from resilient material for securing said apparatus to said inner cylindrical enclosure and second damping blocks made from resilient material for securing said inner cylindrical enclosure to said outer cylindrical enclosure.
Claim 7
Dependent Claim
29 words
Device according to claim 4, wherein said outer cylindrical enclosure surrounds said inner cylindrical enclosure except the said bottom wall thereof, the latter being traversed by said drilling rod.
Claim 8
Dependent Claim
47 words
Device according to claim 5, wherein said outer enclosure extends downwardly beyond said bottom wall, said inner cylindrical enclosure, being prolonged, also downwardly, by an end-piece in the shape of a truncated cone, sealing means being provided between the said end-piece and the said outer cylindrical enclosure.
Claim 9
Dependent Claim
58 words
Device according to claim 6, wherein said end-piece in the shape of a truncated cone and the said outer cylindrical enclosure are provided at their lower ends with separate flanges, the said sealing means being constituted by a flexible O-ring seal placed between the said end-piece and the said outer enclosure, the said seal projecting between said flanges.
Claim 10
Dependent Claim
16 words
Device according to claim 7, wherein said seal is constituted by an air-chamber made from rubber.
Claim 11
Dependent Claim
37 words
Device according to claim 4, wherein said inner enclosure is provided with vent means by which it communicates with said outer enclosure, the latter being provided with air-pressure reducing means by which it communicates with the atmosphere.
Claim 12
Dependent Claim
24 words
Device according to claim 4, wherein a substance capable of absorbing vibrations and sounds, is provided between said inner enclosure and said outer enclosure.
Claim 13
Dependent Claim
15 words
Device according to claim 4, wherein a bracket is provided for hingedly supporting said device.
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) | 1975-06-06 | 1975-12-06 | 1976-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-06 | 1979-12-06 | 1980-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-06 | 1983-12-06 | 1984-06-06 | $7700.00 | Window Closed / Lapsed |