Expandible elastic clamping strap for end portions of hoses and

Details Expandible elastic clamping strap for end portions of hoses and Expandible elastic clamping strap for end portions of hoses and

1989-12-21

1990-11-13

Brittain, James R.

Buckles, buttons, clasps, etc.

Bale and package ties, hose clamps

Metal bands

24 20TT, F16L 3302

Patent

active

049692402

ABSTRACT:
An expandible annular elastic strap has a circumferentially slotted first end portion, a tongue-like second end portion which extends into the slot of the first end portion, and an intermediate portion composed of an outwardly projecting circumferentially extending median section and two marginal sections which flank the median section. The width of each marginal section need not exceed and can be less than half the width of the second end portion, and the three sections of the intermediate portion of the strap extend all the way from the first to the second end portion. The median section of the intermediate portion can be provided with one or more circumferentially extending slots which taper in opposite directions. The median section reduces the area of contact between the external surface of a clamped hose and the intermediate portion of the strap. In addition, the median section increases the moment of resistance of the intermediate portion and thus contributes to more uniform distribution of clamping force all the way around the clamped portion of a hose which is to be maintained in sealing engagement with the external surface of a nipple or pipe.

REFERENCES:
patent: 1804725 (1931-05-01), Wallcer
patent: 2375541 (1945-04-01), Hartman
patent: 4425681 (1984-01-01), Ilius
patent: 4583268 (1986-04-01), Kloss
patent: 4773129 (1988-09-01), Muhr

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