Screed rail

Details Screed rail Screed rail

1986-12-03

1988-03-01

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Frangible section or means

521275, 52364, E04B 141

Patent

active

047276908

ABSTRACT:
A prefabricated leave-in-place screed rail for use in forming a floor or pavement slab of slab material cast on opposite sides of the screed rail so that the slab material forms a bond with each side of the screed rail, has an upwardly open groove extending along the rail between the sides. The groove provides for preferential cracking of the screed rail upon shrinkage of the slab material. The screed rail has a toughened upper layer adjacent each opposite side of the groove, and a sealant in the groove.

REFERENCES:
patent: 2011531 (1935-08-01), Tranchell
patent: 4090800 (1978-05-01), Koch
patent: 4576510 (1986-03-01), Ljungkvist et al.
Brochure entitled: "Tremix System".
Brochure entitled: "For the Job Superintendent . . . Permaban Screed Rails".
Brochure entitled: "Permaban--Kvarsittande Avdragsbanor i Betong".
Brochure entitled: "Permaban--Leave-in-place Screed Rail--Specifications Guide" (Sep. 84).
Brochure entitled: "Tremix Treform".

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