Compression-cutting and facing method

Details Compression-cutting and facing method Compression-cutting and facing method

B - Operations, Transporting

26

D

B26D 1/147 (2006.01) B26D 7/08 (2006.01) B26F 1/20 (2006.01)

Patent

CA 2429922

A resilient fibrous insulation blanket is compression-cut longitudinally at one and typically a plurality of laterally spaced apart locations to form a form a pre- cut fibrous insulation blanket having a plurality of blanket sections that can be separated from each other by hand. The compression cutting of the blanket to form the blanket sections causes a first major surface of the blanket to become temporarily deformed and destabilized. When the blanket is faced, the facing is applied to the other major surface of the blanket while the first major surface is still deformed. Where the blanket is formed from a wider blanket, the wider blanket is at least partially cut prior to the compression- cutting operation to reduce lateral stresses in the blanket when the blanket is compression-cut.

Un matelas isolant fibreux résistant est coupé par compression longitudinalement à une extrémité et généralement en plusieurs emplacements espacés latéralement pour former un matelas isolant fibreux pré-coupé constitué de plusieurs sections de matelas pouvant être séparées l'une de l'autre à la main. La coupe par compression du matelas pour former les sections de matelas déforme et déstabilise temporairement une première surface majeure du matelas. Quand le matelas est façonné, le façonnage est appliqué à l'autre surface majeure du matelas tandis que la première surface majeure est toujours déformée. Lorsque le matelas est formé à partir d'un matelas plus large, le matelas plus large est au moins partiellement découpé avant l'opération de coupe par compression pour réduire des pressions latérales sur le matelas lors de sa coupe par compression.

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