Poly-polymer plastic device

Claim 2

A CUSHIONED ABRASION RESISTANT DEVICE COMPRISING A METAL STRAP SHAPED TO HAVE AT LEAST ONE BIGHT, A SCUFF RESISTANT CUSHIONE FORMED IN AT LEAST THE INSIDE OF THE BIGHT AREA OF THE STRAP, SAID SCUFF CUSHION COMPRISING AN ABLATIVE COVERING OF A LARGE VOLUME OF FLAME PROTECTIVE MATERIAL WHICH EXPERIENCES A SLOW DEGRADATION OF PARTICLES WHICH CARRY OFF SURFACE HEAT WHEN SUBJECTED TO FLAME, AND SAID SCUFF CUSHION FURTHUR COMPRISING AN ADMIXTURE OF A SILICONE-TYPE POLYNER MIXED WITH GRANULATED SINTERED PARTICLES FROM THE CLASS OF POLYTETRAFLUORETHYLENE AND RELATED FLUOROPLASTIC MATERIALS, SAID PARTICLES HAVING DIAMETERS IN THE GENERAL ORDER OF 0.001 INCH TO 0.015 INCH, AND SAID ADMIXTURE OF SILICONE POLYMER AND PARTICLES BEING PROPERTIONED IN THE RANGE OF 25% TO 75% BY WEIGHT.

Claim 3

The device of claim 1 wherein said cushion comprises a low stick or slippery surface characterized by chemical inertness, flame resistance, high ablative characteristics, high dielectric properties, flexibility over a wide temperature range, a high strength-to-weight ratio, toughness, structural strength, and low permeability to moisture and vapors.

Claim 4

The device of claim 1 and a metal cushion integrally attached to said strap and interposed between said scuff resistant cushion and said strap.

Claim 5

The device of claim 1 wherein said mixture of silicone-type material and particles is preformed in tubular form with a rectangular cross-section shaped and dimensioned to fit over said metal strap.

Claim 6

The device of claim 1 wherein said mixture of silicon-type material and particles is preformed into a sheet of material which may be cut to form said cushion, and means whereby said cushion is bonded and vulcanized to the strap in the bight area.

Claim 7

The device of claim 1 wherein said strap has an L-shaped bend on one end of the bight, said L shape having a long end and a short end, the long end of the L-shaped strap being brought around to become parallel with the short end of said L, with the bight lying circularly between the ends to receive and support an object.

Claim 8

The device of claim 1 wherein said clamp is shaped and proportioned to provide a plurality of bights for holding a plurality of hoses in a spaced parallel side-by-side relationship.

Claim 9

The clamp of claim 1 wherein said cushion is vulcanized and bonded to said metal strap.

Claim 10

A hose clamp for a high performance aircraft comprising a metal strap formed into at least one bight with attachment means associated therewith, a cushion comprising an aggregate admixture of a base from the class of silicone polymer rubber or VF2 mixed with granulated sintered material in the class of TFE, FEP, or CTFE, the mixture forming a cushion which fits onto and is vulcanized and bonded to the strap in the bight area to protect said hose.

Claim 11

A hose clamp for a high performance aircraft comprising a metal strap formed into at least one bight with attachment means associated therewith, a cushion comprising an aggregate admixture of a base from the class of silicone polymer rubber or VF2 mixed with granulated sintered material in the class of TFE, FEP, or CTFE, the mixture forming a cushion which fits onto and is vulcanized and bonded to the strap in the bight area to protect said hose.

Claim 12

The clamp of claim 9 wherein the mixture includes a milled fiberglass filler material.

Claim 13

The clamp of claim 9 and a metal cushion attached to said strap inside the bight, the mixture being bonded to said metal cushion.

Claim 14

The clamp of claim 9 wherein said mixture is a preformed tube having a cross-section which is complementary to the cross-section of said strap, said tube fitting over said strap in said bight area.

Claim 15

The clamp of claim 9 wherein said material mixture comprises an elastomer base having properties wherein it (1) has a thermal and oxidative stability at high temperatures, especially at 500* F. and above; (2) is flexible at temperatures below -100* F.; (3) has excellent electrical insulation properties including resistance corona breakdown; (4) has general inertness and resistance to weathering, ozone and chemicals; (5) is non-corrosive toward other materials; (6) is non-flammable and self-extinguishing in case a fire should start; and (7) has surface properties which prevent other materials from sticking thereto, and a granulated particle filler material having properties wherein it (1) has chemical inertness; (2) resists the attack of chemicals; (3) is stable over a wide range of temperatures from below -425* F. to at least 500* F.; (4) has a low coefficient of friction; (5) as a low dielectric constant and dissipation factor regardless of temperature and frequency; (6) has a low permeability to moisture and vapor with practically no moisture absorption; and (7) has high resistance to weather.

Claim 16

The clamp of claim 9 wherein the granulated material has particles in the general order of 0.001 inch to 0.015 inch in diameter, and the base and filler material are mixed in the range of 25% to 75% by weight.

Claim 17

The clamp of claim 9 wherein a plurality of said bights are positioned to hold a plurality of said hoses in a side-by-side relationship.

Claim 18

The clamp of claim 9 wherein said cushion is preformed to have a cross-section which fits over at least three sides of said metal strap.

Claim 19

A process of making a clamp comprising the steps of: a. forming a sheet of poly-polymeric material including sintered material in the class of TFE; b. forming and smoothing a plurality of blank metal straps; c. vulcanizing and bonding said straps onto said sheet of poly-polymeric material; d. separating said sheet into discrete elements; and e. forming said discrete elements into base clamps shaped and proportioned to secure hoses or the like in place.

Claim 20

A process of making a clamp comprising the steps of: a. forming a sheet of poly-polymeric material including sintered material in the class of TFE; b. forming and smoothing a plurality of blank metal straps; c. vulcanizing and bonding said straps onto said sheet of poly-polymeric material; d. separating said sheet into discrete elements; and e. forming said discrete elements into base clamps shaped and proportioned to secure hoses or the like in place.

Claim 21

The process of claim 17 wherein step (a) comprises the additional step of preforming said material to fit over and at least partially around said strap blanks.

Claim 22

The process of claim 17 wherein step (c) includes the additional step of cleaning and coating said strap blank with a pre-vulcanizing adhesive.

Claim 23

The process of claim 17 wherein step (e) comprises the step of bending an end of said strap blank to form an L shape with a long end and a short end, and wrapping said long end of the L shape around a former to make a bight with said poly-polymeric material forming a cushion inside said bight.

Claim 24

The process of claim 17 wherein step (b) comprises the steps of forming a strap of metal on a progressive die, and sand blasting or tumbling the strap metal blanks.