Patent ID: 9302439
Filing Date: 2016-04-05
CPC Classification: B29C,B29D,B29K,B29L,Y10T

Claim Text:
1. A tread joining device comprising: a first tread end retention member configured for retaining a first tread portion and a second tread end retention member configured for retaining a second tread portion, each retention member comprising a body containing a tread retention chamber, the chamber configured for retaining the corresponding tread portion and extending in a lengthwise direction from an aperture arranged along a joint side of the body, the aperture being defined by a perimeter surface extending substantially about a perimeter of the aperture; the first and second tread end retention members being configured to operate between open and closed arrangements, where in the closed arrangement the joint sides of the first and second tread end retention members are in a generally abutting arrangement to form a die about the apertures for use in forming a joint between opposing terminal tread ends retained within the retention members, the die extending approximately about a perimeter of each aperture and being formed by opposing perimeter surfaces of closely arranged and oppositely aligned apertures of the first and second tread end retention members, where in the open arrangement the die is in a separated, open arrangement, wherein one or more guide pins are arranged along the joint side of the first and second tread end retention members and one or more corresponding holes are arranged along the other of the first and second tread end retention members, whereby each of the one or more holes is arranged to receive one of the one or more guide pins when the first and second tread end retention members are in the closed arrangement.