| 摘要 |
<p>1467260 Joining guttering F I SKJELMOSE 18 Oct 1974 [22 Oct 1973] 49155/73 Heading E1B A length of half round plastics guttering 1 is joined end to end with a similar length or to a spout or end piece by means of a complementary half sleeve 2 placed inside or outside the gutter and provided with apertures aligned with apertures in the gutter. Resilient stud fasteners 7 are pressed through the apertures to join the guttering. The upper edges of the sleeve may be turned over the upper edges of the guttering.</p> |
