Metal working – Method of mechanical manufacture – Providing transitory integral holding or handling portion
Patent
1986-08-28
1987-09-22
Echols, P. W.
Metal working
Method of mechanical manufacture
Providing transitory integral holding or handling portion
29509, 29515, 49504, 49DIG1, 52731, E04G 2100, E04C 226
Patent
active
046945520
ABSTRACT:
A compound portal frame extrusion profile of that type employed in the manufacture of insulated portal frames for windows or sliding doors and the like, wherein the compound portal frame profile is fabricated by means of a cooperative mechanical clamp assembly structure provided integral to a set of separate lineal portal frame profile extrusion components and a fabrication method is employed based on the utilization thereof which enables the interim lineally aligned interlock connection of the separate portal frame profile extrusion components, in turn being of either two dissimilar colors or materials or a combination thereof respectively for the interiorly and exteriorly outward facing finished compound portal frame extrusion profile component members, to thus form an intercommunicating resin receiving trough for containing and supporting the progressive injection deposit therewithin of a thermally non-conductive resin-bonding material by which is formed a structural interlock connection joinably between the two separate lineal portal frame profile extrusion components to thereby produce the compound portal frame extrusion profile, wherein thereafter upon a lineal removal of a portion of a sidewall of the previously formed resin receiving containment trough to in turn form a continuously extending lineal gap in the trough sidewall of the structural interlock connection it then also functions as an interposed thermal cavity barrier to substantially reduce differential heat transfer between the interiorly outward facing and exteriorly outward facing joined portal frame extrusion profile component members when the finished compound portal frame extrusion profile hereof is applied in window or sliding door portal frame use.
REFERENCES:
patent: 3204324 (1965-09-01), Nilsen
patent: 3423897 (1969-01-01), Birum, Jr.
patent: 3487518 (1970-01-01), Hopfeld
patent: 3562992 (1971-02-01), Kinsey
patent: 3798869 (1974-03-01), Nipp
patent: 3992769 (1976-11-01), Jackson
Ecker Howard J.
Ecker Robert S.
Ecker Warren S.
Sterner, Jr. Maurice E.
Echols P. W.
Ecker Mfg. Corp.
Learned Jr. Samuel M.
Product Design & Development Inc.
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