US3593000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for welding plastics
Assignee: Individual
•
Filing: 1969-11-12
•
Granted: 1971-07-13
•
Expires: 1989-11-12
Abstract
Abstract Apparatus for the welding of plastics, consisting of a pointed heating bar having faces which form an angle in the range from 15* to 35* with a plane passing through the apex and having faces adjacent the apex whose included angle is in the range from 80* to 110*.
Inventors
- 👤 Andre Forma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:31
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C65/74; B29C65/743; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/80; B29C66/81; B29C66/812; B29C66/8122; B29C66/814; B29C66/8141; B29C66/81427; B29C66/8145; B29C66/81457; B29C66/004; B29C66/0042; B29C66/0044; B29C66/70; B29C66/71; B29C66/81411; B29C66/81415; B29C66/81417; B29C66/83; B29C66/832; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1313
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
23 words
A device according to claim 1, wherein the angle which the two secondary surface parts form with the horizontal is 25* to 30*.
Claim 2
Dependent Claim
14 words
A device according to claim 2, wherein the said angle is 26* to 27*.
Claim 3
Dependent Claim
20 words
A device according to claim 3, wherein the said apex angle of the rib surface parts is 85* to 105*.
Claim 4
Dependent Claim
17 words
A device according to claim 3, wherein the said apex angle is 90* + or - 5*.
Claim 5
Dependent Claim
19 words
A device according to claim 1, wherein the width between the rib surface parts is substantially double the height.
Claim 6
Dependent Claim
23 words
A device according to claim 1, wherein the width and height of the rib surface parts are each from 0.5 to 1.5 mm.
Claim 7
Dependent Claim
29 words
A device according to claim 1, wherein the portion of the bar adjacent the said two faces is fixed in an electrode holder provided with the said heating means.
Claim 8
Dependent Claim
35 words
A device according to claim 8, wherein the said heating means comprise at least one electrical resistance which is accommodated within the electrode holder in the immediate vicinity of the said portion of the bar.
Claim 9
Dependent Claim
36 words
A device according to claim 9, wherein the portion of the electrode holder opposite said portion of the bar is provided with a rubber lining in the region where control elements of the device are fitted.
References Cited (Backward Citations)
US3033257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-12 | 1975-01-11 | 1975-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-12 | 1979-01-11 | 1979-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-12 | 1983-01-11 | 1983-07-13 | $7700.00 | Window Closed / Lapsed |