Sealing strip with foamed-in-place filler

• US 3,159,886 A
• Filed: 04/20/1962
• Issued: 12/08/1964
• Est. Priority Date: 04/20/1962
• Status: Expired due to Term

• Current Assignee: William R. Lynch
• Original Assignee: William R. Lynch
• Inventors: Lynch, William R.
• Application Number:
  US04/189,157
• Time in Patent Office: 963 Days
• US Class Current: 49/479.1
• CPC Class Codes: B60J 10/21 having corner parts or bends
• CPC Class Codes: B60J 10/80 specially adapted for opening panels, e.g. doors for non-fixed roofs B60J10/90
• CPC Class Codes: Y10S 220/03 Breaker strips and sealing strips
• CPC Class Codes: Y10S 29/034 Scaling with other step
• CPC Class Codes: Y10T 29/4984 Retaining clearance for motion between assembled parts
• CPC Class Codes: Y10T 29/49861 Sizing mating parts during final positional association

Claims

2. IN A FLANGE-GRIPPING, FLEXIBLE, SEALING STRIP FOR TRIM, MARGINAL SEALS, WEATHER SEALS, AND THE LIKE INCLUDING:

(A) AN ELONGATED, THIN, SPRING METAL, CHANNEL HAVING A SUCCESSION OF LONGITUDINALLY SPACED, PARALLEL, USHAPED, TRANSVERSELY EXTENDING, GRIPPING ELEMENTS AND THIN, NARROW, BRIDGING CONNECTIONS BETWEEN SUCCESSIVE GRIPPING ELEMENTS, (B) A CLOSED, FLEXIBLE, TUBULAR SEALING MEMBER SUBSTANTIALLY COEXTENSIVE WITH SAID INTEGRAL CHANNEL, AND (C) MEANS CONNECTING SAID TUBULAR SEALING MEMBER AND SAID CHANNEL TOGETHER IN CLOSELY SPACED, PARALLEL RELATIONSHIP OVER THE LENGTHS THEREOF;

THE IMPROVEMENT WHICH COMPRISES;

(D) A PLURALITY OF LONGITUDINALLY SPACED AIR VENTS IN THE WALL OF SAID TUBULAR MEMBER, AND (E) A PLURALITY OF DICONTINUOUS PORTIONS OF FOAMED INPLACE, ELASTOMERIC, RESINOUS MATERIAL, SAID PORTIONS OF RESINOUS MATERIAL(I) HAVING HARDENED, SKIN-ENCASED, PLUG PORTIONS UNITED THEREWITH AT EACH EXTREMITY THEREOF AND FORMED FROM THE SAME RESIONOUS MATERIAL. (II) FILLING THE INTERIOR CROSS-SECTION OF THE TUBULAR MEMBER IN EACH DIRECTION FROM PRESELECTED AIR VENTS THROUGH WHICH SAID RESINOUS MATERIAL HAS BEEN INJECTED, AND (III) EXTENDING ALONG PREDETERMINED REGIONS OF BENDING FO SAID TUBULAR MEMBER WITH A CURVATURE SUFFICENT TO CAUSE CRIMPING THEREOF;

WHEREBY SAID PORTIONS OF RESINOUS MATERIAL COACT WITH SAID TUBULAR MEMBER TO MAINTAIN ITS NORMAL, CROSS-SECTIONAL CONTOUR BY INTERNAL RESISTANCE TO SUCH CRIMPING THEREOF WHEN BENT WITH SUCH A CURVATURE.