DK64265C - Drain well with hand-operated shut-off valve and self-acting counter flap. - Google Patents

Drain well with hand-operated shut-off valve and self-acting counter flap.

Info

Publication number
DK64265C
DK64265C DK132144A DK132144A DK64265C DK 64265 C DK64265 C DK 64265C DK 132144 A DK132144 A DK 132144A DK 132144 A DK132144 A DK 132144A DK 64265 C DK64265 C DK 64265C
Authority
DK
Denmark
Prior art keywords
self
valve
hand
drain well
operated shut
Prior art date
Application number
DK132144A
Other languages
Danish (da)
Inventor
Hans Teller
Original Assignee
Hans Teller
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hans Teller filed Critical Hans Teller
Priority to DK132144A priority Critical patent/DK64265C/en
Application granted granted Critical
Publication of DK64265C publication Critical patent/DK64265C/en

Links

DK132144A 1944-05-06 1944-05-06 Drain well with hand-operated shut-off valve and self-acting counter flap. DK64265C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK132144A DK64265C (en) 1944-05-06 1944-05-06 Drain well with hand-operated shut-off valve and self-acting counter flap.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK132144A DK64265C (en) 1944-05-06 1944-05-06 Drain well with hand-operated shut-off valve and self-acting counter flap.

Publications (1)

Publication Number Publication Date
DK64265C true DK64265C (en) 1946-01-28

Family

ID=8103544

Family Applications (1)

Application Number Title Priority Date Filing Date
DK132144A DK64265C (en) 1944-05-06 1944-05-06 Drain well with hand-operated shut-off valve and self-acting counter flap.

Country Status (1)

Country Link
DK (1) DK64265C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074686A (en) * 1975-05-21 1978-02-21 Bernhard Kessel Manually closable anti-backup trap

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074686A (en) * 1975-05-21 1978-02-21 Bernhard Kessel Manually closable anti-backup trap

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