Hollow door construction using an improved void filler

Static structures (e.g. – buildings) – Sectioned imperforate facing within perpheral frame; e.g.,...

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Details

52809, 5230911, E06B 372, E04C 224

Patent

active

051671050

ABSTRACT:
An improved hollow paneled door construction using an improved void filler that is expandable and which has components of a specific thickness except for relieved sections of reduced thickness to overlie the panels between the doorskins.

REFERENCES:
patent: 1183842 (1916-05-01), Alling
patent: 4236365 (1980-12-01), Wheeler
patent: 4583338 (1986-04-01), Sewell et al.

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