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Aerospace & Defense Seals and Clamps

Inflatable Clamps for Fuselage Manufacture
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Inflatable Clamping Bladders for Airframe Component Bonding

Inflatable bladders contained in steel or aluminum channels are used to apply uniform clamping pressure along bond lines when bonding exterior metal or carbon filament skins to substrates or internal stiffeners. Typical applications are found in the manufacture of aircraft stabilizers and wing sections, rotary wing aircraft spars, and other airframe and missile sections. The simplicity of the air source and inflatable clamp system results in considerable time saving efficiencies and the uniformity of the pressure affords more reliable and consistent bond lines when compared with traditional mechanical clamping systems. Type inflatable profiles used in these application are either Type 1 or Type 7 designs.


Jet Engine Test Door Inflatable Seals
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Jet Engine Test Door Inflatable Seal 

To more effectively suppress noise, jet engine test cell doors can be equipped with inflatable seals which can be either mounted on the door for radial expansion outward against the opening to the cell, or mounted on the face of the cell for axial expansion against the back of the closed door. Not only do these seals dampen the noise, but they also control the pressure differential between the inside of the cell and the outside ambient conditions.
 


Custom Double Bulb Compression Seals for Large Doors

Vertical Assembly Building Double Bulb Compression Seal 

A large EPDM custom-designed double bulb extrusion is used to seal the edges of the Vertical Assembly  Building (VAB) Doors at the Kennedy Space Center in Cape Canaveral, Florida.  This design allows for horizontal movement between the bulbs while the door is operational and provides dual sealing surfaces to keep the weather out.  This part is extruded using our largest extruder and spliced in the field by our technical staff.
 


Custom Multi-Laminate Wing Flap Seals

Wing Flap Compression Seal

This part requires three unique materials which are specially compression molded into one complete gasket. The fabric outer layer is used to reduces the part's co-efficient of friction and to increase useful life.  Silicone is used to handle temperature extremes and the rigid polyester base is used to prevent seal pullout from its housing.  This seal is manufactured utilizing specials molds and long presses to conform to the tight tolerances required for this application.