chaplet (metallurgy)
Technical term in casting: a metal support used to hold a core in place inside a mold.
In casting, chaplets are used to fix the position of the core.
Standard kanji spelling for this technical term.
Variant with 押え instead of 押さえ; both are used.
Compound of 中子 (なかご, 'core' in casting) and 押さえ (おさえ, 'hold-down, retainer').