Moench built tufting machine from scratch, not modified sewing machine

Around 1900, hand-tufted chenille bedspreads became a popular cottage craft in northern Georgia — women hand-punched loops of thick cotton yarn through fabric backing and clipped them into decorative patterns, an ancient technique newly fashionable for home decor. By the early 1920s tufted goods had grown popular enough that several mechanical inventors began racing to mechanize the process, since hand-tufting one bedspread at a time couldn't scale to real manufacturing volume.

The path most inventors took, including R.E. Hamilton and Glenn Looper, was the obvious one: start from a machine already built to push thread through fabric, the domestic sewing machine, and modify it to handle tufting's thicker pile yarn instead of ordinary sewing thread. Sewing machines were precision instruments, though, engineered around thin thread and a delicate mechanism — pushing them to reliably punch and cut much thicker fiber, continuously, at industrial speed, meant fighting the machine's own design limits rather than working with them.

Built a standalone apparatus from scratch, with a robust needle and minimal parts purpose-built for thick yarn, instead of adapting a sewing machine.

Purpose-built needle and looper handled thick yarn reliably.

Fewer moving parts meant fewer failure points at speed.

Design around actual material avoided fighting thin-thread tolerances.

Reliability made his patent a foundation for later improvements.

When adapting a tool to a harder job keeps failing, check if the tool's core design is the limit; building purpose-built can outperform tweaking.

Because the apparatus was engineered around the actual material it had to handle rather than adapted from a machine built for something thinner and lighter, it ran reliably and continuously at industrial speed where sewing-machine conversions struggled — Moench's 1928 patent was still being cited in tufting-mechanism improvement patents as late as 1980.