US3633943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fitting and method of making the same
Assignee: J-M A/C PIPE Corp A DE CORP
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Filing: 1970-02-13
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Granted: 1972-01-11
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Expires: 1990-02-13
Abstract
Abstract A fitting for nonpressure pipe is formed by using a pair of identical half sections wherein each half section is formed by molding a filled thermosetting resin reinforced with glass fibers and the pair of half sections are joined in mating relationship by a layer of adhesive.
Inventors
- 👤 Joseph Louis Ramm
- 👤 Joseph Peter Ferraro
- 👤 Joseph Anthony Munder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:04
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/02; F16L41/021; Y; Y10; Y10S; Y10S285/00; Y10S285/915
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
37 words
A fitting as defined in claim 1 wherein said means comprises: a. cooperating tongues and grooves in said first and second half sections, and b. said tongues having a height greater than the depth of said grooves.
Claim 2
Dependent Claim
26 words
A fitting as defined in claim 2 wherein: a. each of said first and second half sections is provided with a plurality of tongues and grooves.
Claim 3
Dependent Claim
25 words
A fitting as defined in claim 2 wherein: a. said first and second half sections are molded from a filled thermosetting resin reinforced with fiber.
Claim 4
Dependent Claim
26 words
A fitting as defined in claim 2 wherein: a. said first and second half sections are molded from a filled thermosetting resin reinforced with glass fiber.
Claim 5
Dependent Claim
33 words
A fitting as defined in claim 2 and further comprising: a. means for initially holding said first and second half sections in mating relationship until they are joined bY said layer of adhesive.
Claim 6
Dependent Claim
33 words
A fitting as defined in claim 2 wherein: a. said first and said second half sections in mating relationship are spaced from each other a distance of between about 1 and 60 mils.
Claim 7
Dependent Claim
40 words
A fitting as defined in claim 2 wherein: a. said layer of adhesive is continuous throughout the extent of the mated portions of said first and second half sections from one end opening to another end opening of said fitting.
Claim 8
Dependent Claim
21 words
A fitting as defined in claim 8 wherein: a. said first and said second half sections are identical to each other.
Claim 9
Independent Claim
176 words
A method for forming a fitting comprising: a. molding a plurality of identical half sections from a filled thermosetting resin reinforced with fibers, each half section having mating surfaces with a plurality of tongues and grooves therein with the tongues having a greater height than the depth of the grooves, b. filling all of said grooves in said two half sections with an adhesive, c. mating said two half sections with the tongues in one half section nestled in the grooves of the other half section and the tongues in said other half section nestled in the grooves of said one half section but with said mating surfaces of said half sections spaced from each other a short distance by the tongues and grooves, and d. applying sufficient force to said mated half sections to squeeze a uniform layer of said adhesive out of said groove to form a continuous layer of adhesive in contact with said surfaces of each half section and extending throughout the axial extent of the mated portions of said half sections.
Claim 10
Dependent Claim
47 words
A fitting as defined in claim 1 wherein said means comprises: a. bosses on a portion of the first half section for cooperating with recesses in a portion of the second half section, and b. said bosses having a height greater than the depth of the recesses.
Claim 11
Dependent Claim
35 words
A fitting as defined in claim 11 including means adjacent the bosses and recesses for holding said first and second half sections in mating relationship until supplemented by the holding action of said adhesive therebetween.
Claim 12
Dependent Claim
161 words
A fitting comprising: a. first and second lateral half sections of molded thermosetting resin reinforced with glass fibers and are adapted to be mated together to form said fitting for connecting pipe ends and defining a fluid-carrying connection therebetween, b. boss means on portions of the first half section for cooperating with recess means in portions of the second half section, c. generally planar surfaces on either side of respective boss means and recess means adapted to face each other when said halves are mated, d. said boss means having a greater height than the depth of the recess means thereby establishing spacing between the facing surfaces, e. a layer of adhesive between said surfaces joining said first and second half sections in mating relationship, and f. means adjacent cooperating boss means and recess means for fixedly holding the first and second half sections in mating relationship until supplemented by the holding action of said adhesive between and joining the surfaces.
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) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |