Aluminum sash - Almisash

Japanese: アルミサッシュ - あるみさっしゅ

...The largest of these are steel frames and bridges, metal sashes, food cans, etc. They have a long history, but there are also new products such as aluminum sashes, which first appeared in 1961. Metal products are generally final products, so their demand is easily affected by trends in the economy and personal consumption.

From 【Fittings】

…Compared to aluminum fittings, aluminum fittings are inferior in terms of rust resistance and processing precision, but have superior fire resistance. Aluminum fittings (also called aluminum sash) are made up of extruded aluminum sash bars, aluminum sheets, glass, etc. Currently, aluminum fittings are most widely used as glass doors in residential and building construction. …

*Some of the terminology that refers to "aluminum sash" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…そのなかで規模が大きいのは，鉄骨･橋梁，金属製サッシュ，食缶等である。古い歴史を有するが，1961年に初めて登場したアルミサッシュのような新顔もある。金属製品は一般に最終製品であるため，その需要は景気や個人消費の動向に左右されやすい。…