Spacing system
OwnerRobert C. Lambinventor
Life of this patent
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Abstract
A spacer unit, a discharging gun and a method of retaining a spacing to avoid loss of elastomeric seal between two surfaces are described. The system is particularly useful in the glazing trade for sealing large plate glass panes into aluminum frames. Each unit comprises a plurality of blocks skeletally inter-connected by webs. The cross-sectional area of the blocks and webs presented to a compressive force is still small relative to the cross-sectional area lying within the outer periphery of the unit.
Claims7
A spacer unit for preventing extrusion of sealants comprising a plurality of incompressible blocks skeletally interconnected in spaced relationship by incompressible web members, said blocks and webs comprising an arrangement and material resistant to a compressive force normal to the direction of interconnection of said webs and blocks, the cross-sectional area of said blocks and webs being relatively small with respect to the entire cross-sectional area lying within the outer periphery of said spacer unit, said webs and blocks defining openings therebetween for receiving a sealant for preventing extrusion thereof when the spacer unit is subjected to a compressive force normal to the direction of interconnection of said webs and blocks.
Dependencies are inferred from the claim text.