E - Fixed Constructions – 04 – D
Patent
E - Fixed Constructions
04
D
E04D 15/00 (2006.01) B25C 1/00 (2006.01)
Patent
CA 2439450
A method and apparatus for fastening an elongated strip such as a felting strip or the like to a roof with the rolling of the apparatus along the roof. Preferably, the machine applies the staples at an acuate angle of about 30' to 40° to the longitudinal axis of the strip and staple gun extends at the acute angle with the user's arm also extending at this acute angle. The staple gun must be enabled by placing it against the roof before an actuation of the trigger will cause a firing of the staple. The strip may be mounted in a reel that is in a substantially vertical plane with a strip guide and point of application of the strip to the roofing felt so that the strip is not twisted in its travel from the reel to the roof. The strip may be severed by a severing device, as when reaching an edge of the roof, and automatic strip advancing device may be actuated to advance a new leading end of the strip for placement beneath the nose of the staple gun. An automatic firing mechanism may be enabled for automatically applying staples to the strip at equal intervals along the length of the strip; or the automatic firing mechanism may be disabled and a manual trigger may be actuated to fire the staple gun. An elongated strip having a thickness of about 0.010 inch thickness is made with laminated layers with a first layer molecularly oriented to provide high tensile strength and a second layer of softer polyfilm to reduce tearing when the strip is stretched and begins to tear at a staple.
Livingston Troy
Smeja George
Smeja Michael V.
Macrae & Co.
Master Products Inc.
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