Non-stop butt splicing unwind - A Martin butt splicer is serious automation for many web-fed processes. A butt splice joins two webs together--typically, the end of an expiring roll to the beginning of another. The two ends are trimmed straight and brought together so that the ends do not overlap. A thin tape, over the top or bottom of the splice, or both, holds the splice together. This splice method is required in applications where the thickness of overlapping webs is unacceptable. Martin has designed butt splicing systems for webs less than one inch wide to as wide as 130 inches!
Non-stop lap splicing unwind - A taped overlap, or "lap," splice joins the end of an expiring roll to the beginning of another. The two webs are brought together, one over the top of the other, with a thin adhesive tape between the two. A short length of web, or "tail," results when the expiring web is cut. Martin has installed thousands of lap splicers around the world.
Non-stop tapeless heatseal splicing unwind - A heatseal splice joins the end of an expiring roll to the beginning of another without the need for adhesive. The webs must be thermo-bondable, or able to bond together when heated. In a heatseal overlap splice, the two webs are brought together, one over the top of the other. The webs are clamped between heating elements, causing the material to fuse together. A short length of web, or "tail," is left when the expiring web is cut, either with a mechanical knife or a hot wire. In a heatseal butt splice, the two webs are fused so as to present no leading or trailing edge tail.
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