Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Automatic and/or material-triggered control
Patent
1977-04-20
1978-09-26
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Automatic and/or material-triggered control
226 22, B65C 940
Patent
active
041167457
ABSTRACT:
Apparatus for forming a swimming pool cover or similar article having relatively large transverse dimensions by joining a plurality of elongated pieces of heat sealable material together is disclosed. The apparatus includes a working bed, and means for dispensing first and second pieces of heat sealable material onto the bed so that a marginal portion of the first piece is exposed. The apparatus folds the exposed marginal portion of the first piece over a corresponding marginal portion of the second piece, and the marginal portions are heat sealed together to form a single wider piece of material. The wider piece of material is drawn from the bed and stacked and then returned to the dispensing means for adding another elongate piece to the width of the material, eventually forming a piece of material sufficient to cover the entire pool.
REFERENCES:
patent: 2827809 (1958-03-01), Beam
patent: 3069056 (1962-12-01), Richards et al.
patent: 3373288 (1968-03-01), Otedka
patent: 3554423 (1971-01-01), Alexeff
patent: 3595459 (1971-07-01), Colombo
patent: 3599849 (1971-08-01), Callan
patent: 3966105 (1976-06-01), Curran
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