Method for making drainage element
OwnerHarry Bussey, Jr., Buddy Harry Bussey, IIIinventors
Life of this patent
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Abstract
The machine employs a forming collar to shape a continuous web of material longitudinally about a barrel with the longitudinal edges splayed outwardly and over each other. A sewing machine spaced radially from the barrel secures the longitudinal edges together to form a sleeve having an outwardly directed flap. In another embodiment, the machine employs two forming collars to shape a pair of webs about the barrel with outwardly splayed edges on two sides and two sewing machines to secure the edges together to form a pair of flaps. The seam(s) can be sewn at one of a plurality of spacings from the barrel to form a drainage line element of a different diameter from a standard diameter without need to adjust or replace other components of the fabricating machine.
Claims14
A method of making a preassembled drainage unit comprising the steps of
- forming a continuous web of membrane material about one side of a longitudinally extending barrel with longitudinal edges thereof splayed outwardly;
- forming a continuous web of net material about an opposite side of the barrel with longitudinal edges thereof splayed outwardly;
- securing said longitudinal edges of the membrane material to said longitudinal edges of the net material to form a sleeve having a first peripheral portion of net material, a second peripheral portion of water permeable membrane material and a pair of outwardly directed flaps;
- closing a forward end of the sleeve outside the barrel;
- moving the closed forward end of the sleeve longitudinally away from the barrel while passing a mass of light weight synthetic aggregate through the barrel and into the sleeve;
- and
- thereafter closing a back end of the sleeve outside the barrel after filling of a predetermined length of the sleeve with the aggregate to form the preassembled drainage line unit.
A method of making a preassembled drainage unit comprising the steps of
- forming a first continuous web of material about one side of a longitudinally extending barrel with longitudinal edges thereof splayed outwardly;
- forming a second continuous web of material about an opposite side of the barrel with longitudinal edges thereof splayed outwardly;
- securing said longitudinal edges of first web to said longitudinal edges of said second web to form a sleeve having a first peripheral portion, a second peripheral portion and a pair of outwardly directed flaps;
- closing a forward end of the sleeve outside the barrel;
- moving the closed forward end of the sleeve longitudinally away from the barrel while passing a mass of light weight synthetic aggregate through the barrel and into the sleeve;
- and
- thereafter closing a back end of the sleeve outside the barrel after filling of the predetermined length of the sleeve with the aggregate to form the preassembled drainage line unit.
A method of making a preassembled drainage unit comprising the steps of
- forming a continuous web of material about a longitudinally extending barrel with longitudinal edges thereof splayed outwardly,
- securing the longitudinal edges of the material together along a seam spaced a predetermined distance from the barrel to form a sleeve having an outwardly directed flap,
- closing a forward end of the sleeve outside the barrel,
- moving the closed forward end of the sleeve longitudinally away from the barrel while passing a mass of light weight synthetic aggregate through the barrel and into the sleeve, and
- thereafter closing a back end of the sleeve outside the barrel after filling of a predetermined length of the sleeve with the aggregate to form the preassembled drainage line unit of predetermined diameter.
A method of forming a series of drainage units comprising the steps of
- forming a first continuous web of material about one side of a longitudinally extending barrel with longitudinal edges thereof splayed outwardly;
- forming a second continuous web of material about an opposite side of the barrel with longitudinal edges thereof splayed outwardly;
- securing said longitudinal edges of first web to said longitudinal edges of said second web to form a sleeve having a first peripheral portion, a second peripheral portion and a pair of outwardly directed flaps;
- closing a forward end of the sleeve outside the barrel;
- moving the closed forward end of the sleeve longitudinally away from the barrel while passing a mass of light weight synthetic aggregate through the barrel and into the sleeve;
- and
- thereafter closing the sleeve at two spaced apart points outside the barrel after filling of the predetermined length of the sleeve with the aggregate to simultaneously form a back end of one preassembled drainage unit and to form a forward end of a next drainage unit in the series of drainage units.
Dependencies are inferred from the claim text.