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| Number | Title | Issue Date |
| 6361083 | Screw joint for pipes A screw joint for pipes, in particular sanitary and floor heating pipes of, for example, plastic material or a composite material of metal and plastics is provided with at least one screw joint member with a substantially cylindrical portion, in which a t... | 03/26/2002 |
| 6322108 | Pipe fitting A pipe fitting comprises a fitting body with a longitudinal axis, having a pipe connection member for the sealed connection of a pipe and a thread for threadedly joining the fitting body to a connection unit, and a member on the fitting body to be driven ... | 11/27/2001 |
| 6279614 | Multi-layer plastic tube A multi-layer plastic tube comprises a base tube and a barrier layer surrounding the base tube, the barrier layer being impermeable to oxygen, and a protective layer applied on the barrier layer for protecting the barrier layer from damage, wherein the ma... | 08/28/2001 |
| 6253794 | Conduit in particular for sanitary and heating installation purposes A conduit, in particular for sanitary and/or heating installations, comprising a pipe for conveying a fluid or for accommodating supply lines such as electric power supply lines or fluid-conducting pipes, is characterized in that the pipe is connected to ... | 07/03/2001 |
| 6255623 | Surface heating system formed by a fluid-conducting inner pipe surrounded by a heat-destructible sheathing tube structure A surface heating conduit (18) includes a fluid-conducting inner pipe (14), a sheathing tube structure (24) surrounding the fluid-conducting inner pipe (14) serving as a thermal shield for protecting the fluid-conducting inner pipe (14) from external heat... | 07/03/2001 |
| 5829795 | Press-fitting device for connection of a tube The press-fitting device for the connection of a tube, particularly a plastics tube or a plastics/metal/plastics compound tube, is provided with a connection body (12) comprising a substantially cylindrical connection portion (18) adapted for mounting the... | 11/03/1998 |
| 5704537 | Method for sheathing a plastic tube with a metal sheathing In a method for sheathing a plastic tube with a metal sheathing, a metallic band (20) is laid around a plastic tube (14), the metallic band (20) comprising longitudinal edges (32) bent to a common side thereof, which are, when the metallic band (20) is la... | 01/06/1998 |
| 5666820 | Ceiling cooling A cooling ceiling for interior air conditioning having a pipe system through which cooling air flows is arranged at least in part between the ceiling (1; 101) of a building and corresponding ceiling elements (3; 103) and is secured in the mounted position... | 09/16/1997 |
| 5378023 | Pipe connection, particularly on composite pipes The invention relates to a pipe connection, particularly for composite pipes (2), with a supporting sleeve (4) with at least 6no connection region (3) and an assigned pressure sleeve (6), the supporting sleeve (4) being provided with a shoulder (10) and w... | 01/03/1995 |
| 5377400 | Jointing clamp and method for pressing pipe connections A jointing clamp for pressing pipe connections, particularly for pipes of composite materials, includes two pressure clamps, each of which carries a form part of a form insert and which are connected with one another by connecting plates that are disposed... | 01/03/1995 |
| 5335530 | Pressing tool for pressing a cylindrical pressing member or a pressing member comprising a cylindrical portion onto a round profile, particularly a pipe conduit The pressing tool (10) comprises two holding members (26,28) adapted to be moved towards each other and having press dies (44,46) displaceably arranged thereon. Adjacent press dies (44,46) are oriented at a right angle to each other, with two press dies (... | 08/09/1994 |
| 5307664 | Jointing clamp for pressing pipe connections A jointing clamp for pressing pipe connections, particularly for pipes of composite materials, includes two pressure clamps, each of which carries a form part of a form insert and which are connected with one another by connecting plates that are disposed... | 05/03/1994 |
| 5274972 | Installation duct for utility lines A utility duct for elongated utility members is mountable on a wall structure and includes a retaining strip disposed on the wall structure and a capping member. Upper and lower connectors connect the capping member to the retaining strip to thereby form ... | 01/04/1994 |
| 5243800 | Installation duct for utility lines An installation duct for utility lines, particularly for pipes, cables, etc., which forms with a retaining strip on the wall, as well as with a capping that can be fastened to the retaining strip, a cable or pipe duct which is closed at the periphery, upp... | 09/14/1993 |
| 5220818 | Apparatus for bending pipes with hinged clamping jaws Apparatus for bending pipes, particularly plastic or composite pipes, includes a chucking fixture for anchoring the pipes near the bending region, a bending template, the profile of which is made to fit the pipe cross section, and a bending cylinder which... | 06/22/1993 |
| 5214888 | Installation duct An installation duct for utility lines, particularly for two-pipe installations, is formed by a retaining strip at the wall side and a capping attached thereto, and can be provided in the upper region with a feedthrough opening for vertical branch piping.... | 06/01/1993 |
