Definitions

bobbin

bobbin

[bob-in]
bobbin, implement on which thread is wound, used in sewing, spinning, weaving, and lace making. Sometimes the wooden spools of sewing thread are called bobbins. The bobbin of a sewing machine is a metal cylinder, with a flange at each end, on which the lower thread is wound to be carried through the shuttle to the seam. In some primitive handweaving the weft, or woof, was wound on a bobbin flanged at one end and passed or carried by it through the warp. In tapestry weaving, bobbin looms are essential, as weft strands of different colors must go back and forth for the distance required by the design, somewhat in the manner of an embroidery needle darning in a pattern. In making pillow lace, bobbins form an important part of the equipment, as each thread of the pattern requires a different bobbin; intricate patterns call for hundreds of bobbins to hold the fine thread in order. Bobbins for lace making are made in various shapes and sizes, from a variety of materials, as walnut, rosewood, boxwood, and olive wood, glass, metal, ivory, coral, malachite, and bamboo, and are ornamented with carving, painting, or engraving.

A bobbin is a spindle or cylinder, with or without flanges, on which wire, yarn, thread or film is wound. Bobbins are typically found in sewing machines, cameras, and within electronic equipment.

In non-electrical applications the bobbin is used for tidy storage without tangles. In electrical applications a coil of wire carrying a current has important magnetic properties.

As used in spinning, weaving, knitting, sewing, or lacemaking, the bobbin provides temporary or permanent storage for yarn and may be made of plastic, metal, bone or wood.

Bobbin lacemaking is a handcraft which requires the winding of yarn onto a temporary storage spindle made of wood, previously bone, often turned on a lathe. Many lace designs use dozens of bobbins at any one time. Exotic woods are extremely popular with contemporary lacemakers. Both traditional and contemporary bobbins may be decorated with designs, inscriptions, or pewter or wire inlays. Often, the bobbins are 'spangled' to provide additional weight to keep the thread in tension. A hole is drilled near the base to enable glass beads and other ornaments to be attached by a loop of wire. Again, in the modern context of the hobby of bobbin lacemaking, these spangles provide a means of self-expression in the decoration of a tool of the craft. Both antique and unique bobbins, sometimes spangled, have become highly sought after by collectors.

In the case of an electrical transformer, inductor or relay, the bobbin is a permanent container for the wire, acting to form the shape of the coil (and ease assembly of the windings into or onto the magnetic core). The bobbin may be made of thermoplastic or thermosetting (for example, phenolic) materials. This plastic often has to have a UL or other regulatory agency flammability rating for safety reasons.

Other uses/References

  • Bobbins can also refer to narrow braid formerly used as trimming.
  • The term Round Bobbin is used in computing to describe a process which writes its output back to its input source.
  • "Bobbin Threadbare" is the name of the main character in the 1990 computer game Loom.
  • The term "bobbins" appears in northern English slang, meaning "rubbish", i.e. something worthless or incorrect.
  • Stephen Colbert has said multiple times, "Let's change some bobbins" in his 435-part series, "Better Know a District," typically when talking about labor unions.
  • The Proud Family has an episode where Penny goes to the spelling bee, and her last word to spell for the win is "bobbin."
  • The nickname 'Bobbin' is synonymous with a person who is from Wanborough, Wiltshire.
  • 'Bobbin' is often used in the South East of England to refer to a stool or the process of defecation, i.e. "I'm going for a quick bobbin" or "Stop talking a load of bobbins".
  • 'Wind the bobbin up' is a common nursery rhyme.

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