A - Human Necessities – 47 – K
Patent
A - Human Necessities
47
K
72/137, 72/3, 4/
A47K 3/00 (2006.01) E04H 4/00 (2006.01) E04H 4/12 (2006.01)
Patent
CA 1069655
ABSTRACT OF THE DISCLOSURE Apertures in the cast concrete wall of a swimming pool are lined with tubular inserts entirely received in the aper- tures in sealing, conforming engagement with the concrete The length of each insert in the direction of wall thickness is equal to or shorter than the corresponding length of the receiving aperture. The insert essentially consists of a so- lid mixture of a particulate, rigid, inorganic material such as quartz and, and a smaller amount of a more resilient, synthetic organic resin binder. A fastening flange is pro- vided in the bore of the insert for fastening the insert in a form while the wall is being built by pouring fluid con- crete mixture into the form. The flange provides a fastening base for latex installed fittings, pumps, etc. During con- struction of the swimming pool, a form bounding a cavity is erected. The afore-mentioned insert is secured in the form by means of the fastening means, and fluid concrete mixture is poured into the form cavity until the insert is enveloped by the concrete mixture. After curing of the concrete mixture, the form is removed.
271688
Hollender Gottfried
Preuninger Manfred
Schaber Herbert
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