A wire forming apparatus comprises a first rack moveable relative to a second rack in a first direction, a plurality of first forming structures provided on the first rack, and a plurality of second forming structures provided on the second rack. Each of the plurality of first forming structures is configured to move in the first direction, is separated from an adjacent first forming structure, and is configured to move in a second direction closer to the adjacent first forming structure when the first rack moves relative to the second rack. Each of the plurality of second forming structures is configured to move in the first direction, is separated from an adjacent second forming structure, and is configured to move in the second direction closer to the adjacent second forming structure when the first rack moves relative to the second rack. The second direction is different from the first direction.

A wire forming apparatus comprises a first rack moveable relative to a second rack in a first direction, a plurality of first forming structures provided on the first rack, and a plurality of second forming structures provided on the second rack. Each of the plurality of first forming structures is configured to move in the first direction, is separated from an adjacent first forming structure, and is configured to move in a second direction closer to the adjacent first forming structure when the first rack moves relative to the second rack. Each of the plurality of second forming structures is configured to move in the first direction, is separated from an adjacent second forming structure, and is configured to move in the second direction closer to the adjacent second forming structure when the first rack moves relative to the second rack. The second direction is different from the first direction.

The invention relates to a method for producing a flat spiral spring, in particular a spring sheet for covering a cooling area of a piston of internal combustion engines, said spring sheet being formed at least as an annular disk-shaped segment (12), wherein a strip-shaped material (23) is fed to a bending device (27) that comprises at least one drum (29), said drum rotating about a rotational axis (31), and the strip-shaped material (23) is supplied in a tangential alignment to the lateral surface (36) of the drum (29) such that a lateral wall (20) which determines the thickness of the strip-shaped material (23) rests against at least some sections of a contact surface (37) on the lateral surface (36) of the drum (29). The contact surface (37) of the drum (29) has a radius which substantially corresponds to an internal radius of the strip-shaped material (23) to be bent into the segment (12), and at least one deflecting device (32) is aligned at a distance to the drum (29) such that the strip-shaped material (23) is guided in a forced manner between the drum (29) and the deflecting device (32), and the strip-shaped material (23) is bent so as to follow the drum (29) by means of the deflecting device.

The invention relates to a method for producing a flat spiral spring, in particular a spring sheet for covering a cooling area of a piston of internal combustion engines, said spring sheet being formed at least as an annular disk-shaped segment (12), wherein a strip-shaped material (23) is fed to a bending device (27) that comprises at least one drum (29), said drum rotating about a rotational axis (31), and the strip-shaped material (23) is supplied in a tangential alignment to the lateral surface (36) of the drum (29) such that a lateral wall (20) which determines the thickness of the strip-shaped material (23) rests against at least some sections of a contact surface (37) on the lateral surface (36) of the drum (29). The contact surface (37) of the drum (29) has a radius which substantially corresponds to an internal radius of the strip-shaped material (23) to be bent into the segment (12), and at least one deflecting device (32) is aligned at a distance to the drum (29) such that the strip-shaped material (23) is guided in a forced manner between the drum (29) and the deflecting device (32), and the strip-shaped material (23) is bent so as to follow the drum (29) by means of the deflecting device.

An article of upholstery covering is attached to an article of furniture, by steps that include inserting, into a channel around a frame of the article of furniture, an edge attachment article that is attached by an securement portion thereof along a periphery of the article of upholstery covering; and tensioning the article of upholstery covering to engage a catch portion of the edge attachment article under a lip of the channel.

A wire forming apparatus comprises a first rack moveable relative to a second rack in a first direction, a plurality of first forming structures provided on the first rack, and a plurality of second forming structures provided on the second rack. Each of the plurality of first forming structures is configured to move in the first direction, is separated from an adjacent first forming structure, and is configured to move in a second direction closer to the adjacent first forming structure when the first rack moves relative to the second rack. Each of the plurality of second forming structures is configured to move in the first direction, is separated from an adjacent second forming structure, and is configured to move in the second direction closer to the adjacent second forming structure when the first rack moves relative to the second rack. The second direction is different from the first direction.

A wire forming apparatus comprises a first rack moveable relative to a second rack in a first direction, a plurality of first forming structures provided on the first rack, and a plurality of second forming structures provided on the second rack. Each of the plurality of first forming structures is configured to move in the first direction, is separated from an adjacent first forming structure, and is configured to move in a second direction closer to the adjacent first forming structure when the first rack moves relative to the second rack. Each of the plurality of second forming structures is configured to move in the first direction, is separated from an adjacent second forming structure, and is configured to move in the second direction closer to the adjacent second forming structure when the first rack moves relative to the second rack. The second direction is different from the first direction.

A wire forming apparatus comprises a first rack moveable relative to a second rack in a first direction, a plurality of first forming structures provided on the first rack, and a plurality of second forming structures provided on the second rack. Each of the plurality of first forming structures is configured to move in the first direction, is separated from an adjacent first forming structure, and is configured to move in a second direction closer to the adjacent first forming structure when the first rack moves relative to the second rack. Each of the plurality of second forming structures is configured to move in the first direction, is separated from an adjacent second forming structure, and is configured to move in the second direction closer to the adjacent second forming structure when the first rack moves relative to the second rack. The second direction is different from the first direction.

A wire forming apparatus comprises a first rack moveable relative to a second rack in a first direction, a plurality of first forming structures provided on the first rack, and a plurality of second forming structures provided on the second rack. Each of the plurality of first forming structures is configured to move in the first direction, is separated from an adjacent first forming structure, and is configured to move in a second direction closer to the adjacent first forming structure when the first rack moves relative to the second rack. Each of the plurality of second forming structures is configured to move in the first direction, is separated from an adjacent second forming structure, and is configured to move in the second direction closer to the adjacent second forming structure when the first rack moves relative to the second rack. The second direction is different from the first direction.

A method for producing a flat spiral spring formed as an annular disk-shaped segment, wherein a strip-shaped material is supplied in a tangential alignment to the lateral surface of the drum such that a lateral wall which determines the thickness of the strip-shaped material rests against some sections of a contact surface on the lateral surface of the drum. The contact surface of the drum has a radius which substantially corresponds to an internal radius of the strip-shaped material, and at least one deflecting device is aligned at a distance to the drum such that the strip-shaped material is guided in a forced manner between the drum and the deflecting device, and the strip-shaped material is bent so as to follow the drum by means of the deflecting device.