US3616085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for joining single fabric strips
Assignee: Semperit AG Holding
•
Filing: 1969-01-30
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Granted: 1971-10-26
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Expires: 1989-01-30
Abstract
Abstract Apparatus for joining diagonally cut flanks of rubberized fabric with a small overlap including a pivotable suction device provided for lifting flanks, a conveyor belt upon which flanks are deposited and a roller pair near one end of the conveyor belt to press cut overlapping flanks together.
Inventors
- 👤 Gerhard Printz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:58
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/38; B29D30/42; Y; Y10; Y10S; Y10S156/00; Y10S156/906; Y10S156/907; Y10T; Y10T156/00; Y10T156/12; Y10T156/13; Y10T156/1317; Y10T156/1322
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
25 words
A machine, as claimed in claim 1, wherein the first position of said flap means is substantially vertical and the second position is substantially horizontal.
Claim 2
Dependent Claim
24 words
A machine, as claimed in claim 1, wherein said conveyor belt moves in a direction substantially parallel to the cut edges of said strip.
Claim 3
Dependent Claim
207 words
A machine for overlapping and connecting cut strips, comprising in combination: conveyor belt means operable to receive and transport said cut strips; a walled movable flap means disposed adjacent said belt means, said flap means being movable between a first position wherein it is operative to receive said cut strips and, respectively, a second position substantially parallel to said conveyor belt means; adhesion-generating means communicating with a lower portion of said conveyor belt means and when activated being operative to impart an adhesive effect to both said lower belt portion and said flap means; and roller means disposed near one end of said conveyor belt and operative to press said cut overlapping strips together, said flap means define an internal chamber, said adhesion-generating means communicating with said internal chamber and being operative to impart an adhesive effect to both said lower belt portion and said chamber of said flap means, said flap means having a porous surface, the pores of said surface providing communication between said surface and the chamber, said surface when said adhesion-generating means are activated being operable to hold succeeding cut strips in said first position and subsequently to transfer in said second position said strips to said conveyor belt means in overlapping relation.
Claim 4
Dependent Claim
24 words
A machine, as claimed in claim 4, wherein said uncut strips move in a direction substantially perpendicular to the plane of said cut strips.
Claim 5
Dependent Claim
16 words
A machine, as claimed in claim 4, and means to activate and deactivate said adhesion-generating means.
Claim 6
Dependent Claim
43 words
A machine, as claimed in claim 4, said belt being porous, said adhesion-generating means including suction means disposed below said lower belt portion generating a suction effect through said lower belt portion when activated, to attract and to hold until deactivated said strips.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |